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0.31ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • GIA 3565406377

Certificate GIA 3565406377

Diamond specifications and retailer prices

From $664 USD
As of October 30, 2026
Save $991 USD (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,655 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct lab-grown round diamond

This 0.31ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565406377. Listed at 2 retailers as of October 29, 2026, with prices from $664 to $1,655, a $991 spread on the same certified stone. MOH London lists it at $1,655. 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

0.31
Carat
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginLab Grown
Grading LabGIA
CertificateGIA 3565406377
Dimensions4.36 × 4.35 × 2.67 mm
L/W Ratio1.00
Top View
4.36 mm4.35 mm0.31 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3565406377
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $1,655 USD|Low: $664 USD|High: $1,702 USD|Avg: $1,106 USD|-2.8%
MOH London
Retailer 2
October 29, 2026
Retailer 2$664 USD
MOH London$1,655 USD

4 data points across 2 retailers

2 retailers$664 USD to $1,655 USD

B
Cheapest Retailer
-
$664 USD
Most Expensive
C
MOH London
3565406377 · Oct 29
$1,655 USD
£1,303 GBP
View
1 more retailer has this diamond
Prices start from $664 USDSave up to $991 USD

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
0.31ct Round
$664 USD