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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 $1,178 NZD
$664 USD
As of November 1, 2026
Save $1,742 NZD (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,920 NZD at MOH London · As of November 1, 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 November 1, 2026, with prices from $1,178 to $2,920, a $1,742 spread on the same certified stone. MOH London lists it at $2,920. 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
Colour
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: Nov 1
Current: $2,920 NZD|Low: $1,178 NZD|High: $3,020 NZD|Avg: $1,982 NZD|-3.3%
MOH London
Retailer 2
November 1, 2026
Retailer 2$1,178 NZD
MOH London$2,920 NZD

5 data points across 2 retailers

2 retailers$1,178 NZD to $2,920 NZD

B
Cheapest Retailer
-
$1,178 NZD
$664 USD
Most Expensive
B
MOH London
3565406377 · Nov 1
$2,920 NZD
£1,296 GBP
View
1 more retailer has this diamond
Prices start from $1,178 NZDSave up to $1,742 NZD

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
$1,178 NZD