Princess|Lab Grown|IGI

0.31ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG841679699

Shape and cutting style on the report: Princess cut

Certificate IGI LG841679699

Diamond specifications and retailer prices

From $120 USD
As of October 30, 2026
Save $523 USD (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $643 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct lab-grown princess diamond

This 0.31ct lab-grown princess 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 LG841679699 or 841679699. Listed at 6 retailers as of October 29, 2026, with prices from $120 to $643, a $523 spread on the same certified stone. MOH London lists it at $643. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle41.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841679699
Dimensions3.73 × 3.68 × 2.64 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
3.73 mm3.68 mm0.31 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG841679699
Side View
Table 76.0%Crown 41.9°Girdle: Slightly ThickPavilion 39.6°CuletDepth 71.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $643 USD|Low: $120 USD|High: $643 USD|Avg: $282 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$120 USD
Retailer 3$156 USD
Retailer 2$190 USD
Retailer 4$223 USD
Retailer 5$341 USD
MOH London$643 USD

17 data points across 6 retailers

6 retailers$120 USD to $643 USD

A
Cheapest Retailer
-
$120 USD
B+
Retailer 2
-
$156 USD
£123 GBP
View
B+
Retailer 3
-
$190 USD
View
B+
Retailer 4
-
$223 USD
£176 GBP
View
B
Retailer 5
-
$341 USD
View
Most Expensive
B
MOH London
LG841679699 · Oct 29
$643 USD
£506 GBP
View
5 more retailers have this diamond
Prices start from $120 USDSave up to $523 USD

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.

A
0.31ct Princess
$120 USD