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0.31ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • GIA 6502186608

Certificate GIA 6502186608

Diamond specifications and retailer prices

From $827 CAD
$591 USD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: $2,025 CAD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6502186608. Listed at 2 retailers as of October 28, 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

0.31
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginLab Grown
Grading LabGIA
CertificateGIA 6502186608
Dimensions4.36 × 4.34 × 2.70 mm
L/W Ratio1.00
Top View
4.36 mm4.34 mm0.31 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6502186608
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $2,025 CAD|Low: $827 CAD|High: $2,081 CAD|Avg: $1,362 CAD|-2.7%
MOH London
Retailer 2
October 29, 2026
Retailer 2$827 CAD
MOH London$2,025 CAD

4 data points across 2 retailers

2 retailers

B
Cheapest Retailer
-
$827 CAD
$591 USD
Most Expensive
C
MOH London
6502186608 · Oct 29
$2,025 CAD
£1,139 GBP
View
Price under review
1 more retailer has this diamond
Prices start from $827 CAD

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
$827 CAD