Round|Lab Grown|IGI

0.31ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG749522310

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749522310

Diamond specifications and retailer prices

From €60 EUR
$67 USD
As of September 22, 2026
10 retailers carry this diamond
Most expensive: €646 EUR at MOH London · As of October 19, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG749522310 or 749522310. Listed at 10 retailers as of September 22, 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749522310
Dimensions4.29 × 4.35 × 2.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.29 mm4.35 mm0.31 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749522310
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Sep 22
Current: €646 EUR|Low: €49 EUR|High: €649 EUR|Avg: €202 EUR|+17.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 23, 2026
Retailer 9€72 EUR
Retailer 12€115 EUR
Retailer 11€123 EUR
Retailer 6€125 EUR
Retailer 13€134 EUR
Retailer 2€141 EUR
Retailer 7€164 EUR
Retailer 10€170 EUR
Retailer 3€170 EUR
Retailer 5€188 EUR
Retailer 4€201 EUR
Retailer 8€429 EUR
MOH London€646 EUR

27 data points across 13 retailers

10 retailers€60 EUR to €646 EUR

Retailer 1
-
€60 EUR
$67 USD
Price last confirmed 40 days ago
Retailer 2
-
€70 EUR
$78 USD
View
Price last confirmed 43 days ago
Retailer 3
-
€115 EUR
$128 USD
View
Price last confirmed 11 days ago
Retailer 4
-
€123 EUR
$138 USD
View
Price last confirmed 11 days ago
Retailer 5
-
€125 EUR
£110 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
€134 EUR
$150 USD
View
Price last confirmed 10 days ago
Retailer 7
-
€141 EUR
£124 GBP
View
Price last confirmed 9 days ago
Retailer 8
-
€170 EUR
CA$263 CAD
View
Price last confirmed 10 days ago
Retailer 9
-
€429 EUR
$479 USD
View
Price last confirmed 11 days ago
Most Expensive
MOH London
LG749522310 · Oct 19
€646 EUR
£568 GBP
View
Price last confirmed 13 days ago
9 more retailers have this diamond

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.

0.31ct Round
€60 EUR