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Gemone Diamond Review 2026: Are the Black Diamonds Worth It?
Gemone Diamond review 2026: black and lab-grown diamond jewelry prices, shipping times, IGI certificates, mixed customer reviews, BBB status and buying tips.
Di Simple Life Reviews · Aggiornato
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La nostra valutazione
A wide, competitively priced black diamond range with many positive older reviews, held back by recent reports of duller-than-pictured stones and slow returns and refunds.
Valutazioni per prodotto
- Black diamond faceted bead strand
By the Simple Life Reviews editorial team
Gemone Diamond is an online jeweler best known for black diamond jewelry, from loose stones and bead strands to engagement rings and earrings, alongside lab-grown diamonds and custom designs. This Gemone Diamond review covers what it sells and charges, how long orders take, what its certificates involve, and why its customer ratings differ so much from one review site to another.
Contents
- Our verdict in brief
- How we researched this review
- What is Gemone Diamond?
- Gemone Diamond prices and products
- Shipping, certificates and customization
- What owners say
- Is Gemone Diamond legit?
- Pros and cons
- Who should buy, and who should skip
- Alternatives
- Bottom line
- Our ratings
- FAQ
Our verdict in brief
Gemone Diamond is worth a look if you want black diamond or lab-grown diamond jewelry at prices below many high-street jewelers, and you can wait several weeks for it. Recent buyer reviews are mixed, though: some received stones that looked duller than the photos, and several describe slow returns, refunds and repairs. Ask for clear photos and video of your exact piece, confirm the return terms in writing, and allow plenty of time.
How we researched this review
Simple Life Reviews did not buy from Gemone Diamond. We read customer reviews on Sitejabber, WorthePenny and ReviewFeeder, and checked the Gemone homepage, its FAQ and seven product pages on the day we published.
The review sites tell very different stories, and their reviews differ in age. Sitejabber's are mostly several years old, while WorthePenny's are from this year. We present both and point out where the evidence is thin, including on returns and warranty, which our sources do not spell out.
What is Gemone Diamond?
Gemone presents itself as a manufacturer and jeweler that cuts and polishes its own stones and sells direct, cutting out middlemen. ReviewFeeder, which reproduces the brand's description, lists an address in India and says Gemone delivers worldwide, per its Gemone page.
The Gemone homepage now leads with lab-grown diamonds and fine jewelry, with categories such as bands, colored stones, three-stone and toi et moi rings, and a running promotion on black diamond pieces. It also offers custom jewelry, from stone type and metal to the full design of an engagement ring.
Gemone Diamond prices and products
These prices come from Gemone's product pages today; we use plain descriptions rather than the store's own product titles. None of these pages, as captured in our sources, state a warranty or trial period.
| Model | Price | Type |
|---|---|---|
| 6 x 4 mm pear-shape black diamond | $130 at Gemone | Loose stone |
| Black diamond faceted bead strand | $750 at Gemone | Beads |
| Black diamond butterfly ring | $2208.37 at Gemone | Ring |
| Round black diamond halo stud earrings | $2340.72 at Gemone | Earrings |
| 3.50 ct black and white diamond drop earrings | $3294.34 at Gemone | Earrings |
| Antique emerald-cut diamond ring | $3300.96 at Gemone | Ring |
| 3 ct filigree heart drop earrings | $4915.53 at Gemone | Earrings |
The range runs from loose stones costing little more than a hundred dollars to drop earrings costing several thousand. Product names and page addresses do not always agree on carat weight, for example a ring titled "32.50 Carat" whose page address suggests a much smaller stone, so check the exact stone details on each page before you buy.
Black diamond faceted bead strand
Black diamond beads are one of the products owners mention most warmly. One Sitejabber reviewer calls Gemone the best place to buy black diamond beads, praising their quality, fair prices and fast replies from the customer service team, and another says a diamond bead necklace looked better than expected, per Sitejabber's Gemone page. Those reviews are a few years old, so check recent photos and ask for a video of the strand you will receive.
Shipping, certificates and customization
Gemone's FAQ sets out the key logistics:
- Processing time. Gemone's FAQ says it usually takes 15–20 business days to prepare and dispatch an order, before delivery time, and offers express shipping for an extra speed-up.
- Certificates. Eligible lab-grown stones come with an IGI report describing the diamond's characteristics.
- Paper certificate. A physical certificate costs an extra $80, per the FAQ, while the digital one is free.
- Customization. Many pieces can be customized, including stone, metal, setting, size and design.
That processing time is long for jewelry, so order well ahead of a proposal, wedding or gift date. Because Gemone ships from abroad, also check whether customs duties or taxes apply in your country before ordering.
What owners say
The three review sites in our sources disagree:
- Sitejabber: an average of 3.8 out of 5 across 136 reviews, 79% of them five stars, per its review page. Most are short, positive and from 2021, praising the black diamond selection, prices and one staff member's quick help.
- WorthePenny: 2.3 out of 5 from 23 reviews, with 10 one-star ratings, per its Gemone page. These are from 2026 and much more mixed.
- ReviewFeeder: 4 stars from 50 reviews, per its summary, without much recent detail.
The more recent WorthePenny reviews raise specific problems: a diamond that looked noticeably duller in person than in the photos, returns and refunds that took longer than expected, a repair that took longer than promised, a design consultation that felt rushed, repeated verification steps at checkout, and slow shipping updates. Positive recent reviews praise sturdy packaging, fair prices and stones that looked good in person.
Is Gemone Diamond legit?
Gemone appears to be a real jeweler with a long online presence and a track record of shipping orders. But two points call for care. ReviewFeeder notes that Gemone is not registered with the BBB, so there is no BBB rating or accreditation to check, and its strongest ratings come from older, brief reviews, while newer feedback is more mixed.
In practice, treat it like any overseas online jeweler: get clear photos or video of your exact stone, keep all communication in writing, confirm return terms before paying, and use a payment method with buyer protection.
Pros and cons
Pros
- Wide range of black diamond and lab-grown diamond jewelry
- Prices below many traditional jewelers, according to owners
- Custom design options for stone, metal and setting
- IGI certificates on eligible lab-grown diamonds
- Friendly, responsive staff in many reviews
Cons
- Long processing time before orders ship
- Recent reviews report stones duller than photos
- Slow returns, refunds and repairs reported
- Physical certificates cost extra
- Not registered with the BBB
- Return and warranty terms not stated in our sources
Who should buy, and who should skip
Gemone may suit you if you:
- want black diamond jewelry or a custom design at a lower price
- can wait several weeks for your order
- are comfortable buying from an overseas jeweler and checking details carefully
You should probably skip it if you:
- need a ring by a specific date
- want to see a stone in person before buying
- need a fast, simple return if the piece is not right
Alternatives
Our sources do not name rival jewelers. If you prefer lower risk, a local jeweler lets you inspect stones in person and handles resizing and repairs nearby. An established online retailer with clear return windows and video of each stone is another option. Gemone's appeal is price and range, especially for black diamonds, so weigh that against the convenience of easier returns.
Bottom line
Gemone Diamond offers a large range of black diamond and lab-grown jewelry at competitive prices, with custom options and IGI certificates on eligible stones. Recent reviews, though, point to inconsistent photo accuracy and slow after-sales service, and orders take weeks to ship. If you buy, document everything, confirm the return terms and give yourself plenty of time.
Our ratings
Overall: 3/5, because Gemone offers a wide, competitively priced black diamond range with many positive older reviews, but recent buyers on WorthePenny report duller-than-pictured stones and slow returns and refunds.
Black diamond faceted bead strand: 3.5/5, because owners on Sitejabber praise the quality and prices of Gemone's black diamond beads, though those reviews are a few years old.
FAQ
Is Gemone Diamond legit?
It appears to be a real jeweler with many past customers, but recent reviews are mixed and it is not registered with the BBB. Buy with care: get photos of your exact piece and confirm return terms first.
Is Gemone Diamond registered on BBB?
No. ReviewFeeder states that Gemone Diamond is not registered on the BBB, so it has no BBB rating or accreditation.
How long does Gemone Diamond take to ship?
Gemone's FAQ says it usually takes 15–20 business days to prepare and dispatch an order, per its homepage, with delivery depending on your location. Express shipping is available.
Are Gemone diamonds certified?
Eligible lab-grown stones from Gemone come with an IGI report. A digital certificate is included, while a physical certificate costs extra, according to its FAQ.
Can I customize a ring?
Yes. Gemone says you can customize the diamond shape, carat weight, metal, setting, size and design details of an engagement ring.
What is Gemone Diamond's return policy?
Our sources do not set out the return terms. Recent reviewers say returns and refunds went through but took longer than expected, so ask Gemone for its policy in writing before you buy.
Where is Gemone Diamond based?
ReviewFeeder lists an address in India for Gemone, which describes itself as a manufacturer that cuts and polishes its own stones and ships worldwide.
