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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 $86 SGD
$67 USD
As of September 22, 2026
13 retailers carry this diamond
Most expensive: $922 SGD 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 13 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: $922 SGD|Low: $70 SGD|High: $927 SGD|Avg: $287 SGD|+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$102 SGD
Retailer 12$164 SGD
Retailer 11$176 SGD
Retailer 6$179 SGD
Retailer 13$192 SGD
Retailer 2$202 SGD
Retailer 7$235 SGD
Retailer 10$242 SGD
Retailer 3$243 SGD
Retailer 5$268 SGD
Retailer 4$286 SGD
Retailer 8$612 SGD
MOH London$922 SGD

28 data points across 13 retailers

13 retailers$86 SGD to $922 SGD

Retailer 1
-
$86 SGD
$67 USD
Price last confirmed 39 days ago
Retailer 2
-
$100 SGD
$78 USD
View
Price last confirmed 42 days ago
Retailer 3
-
$112 SGD
$88 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$164 SGD
$128 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$176 SGD
$138 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$179 SGD
£110 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
$192 SGD
$150 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$202 SGD
£124 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
$242 SGD
CA$263 CAD
View
Price last confirmed 9 days ago
Retailer 10
-
$243 SGD
$190 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$344 SGD
$269 USD
View
Price last confirmed 40 days ago
Retailer 12
-
$612 SGD
$479 USD
View
Price last confirmed 10 days ago
Most Expensive
MOH London
LG749522310 · Oct 19
$922 SGD
£568 GBP
View
Price last confirmed 12 days ago
12 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
$86 SGD