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0.91ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • GIA 6512871379

Certificate GIA 6512871379

Diamond specifications and retailer prices

From £2,242 GBP
As of October 29, 2026
2 retailers carry this diamond
Most expensive: £3,304 GBP at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512871379. Listed at 2 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.91
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6512871379
Dimensions6.17 × 6.20 × 3.85 mm
L/W Ratio1.00
Top View
6.17 mm6.20 mm0.91 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512871379
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £3,304 GBP|Low: £2,129 GBP|High: £3,337 GBP|Avg: £2,471 GBP|-1.0%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4£2,129 GBP
Retailer 2£2,242 GBP
Retailer 3£2,296 GBP
Moon Ocean£3,304 GBP

15 data points across 4 retailers

2 retailers

B
Cheapest Retailer
-
£2,242 GBP
Most Expensive
Moon Ocean
NVN-EF5DE169E-379 · Oct 30
£3,304 GBP
View
Price under review
1 more retailer has this diamond
Prices start from £2,242 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
0.91ct Round
£2,242 GBP