CaratHunter
Plans
Round|Lab Grown|GIA

0.31ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • GIA 6502186608

Certificate GIA 6502186608

Diamond specifications and retailer prices

From €527 EUR
$591 USD
As of November 1, 2026
Save €756 EUR (59%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,283 EUR 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 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 November 1, 2026, with prices from €527 to €1,283, a €756 spread on the same certified stone. MOH London lists it at €1,283. 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
Colour
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

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,283 EUR|Low: €527 EUR|High: €1,326 EUR|Avg: €876 EUR|-3.2%
MOH London
Retailer 2
November 1, 2026
Retailer 2€527 EUR
MOH London€1,283 EUR

5 data points across 2 retailers

2 retailers€527 EUR to €1,283 EUR

B
Cheapest Retailer
-
€527 EUR
$591 USD
Most Expensive
B
MOH London
6502186608 · Nov 1
€1,283 EUR
£1,133 GBP
View
1 more retailer has this diamond
Prices start from €527 EURSave up to €756 EUR

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
€527 EUR