CaratHunter
Plans
Heart|Lab Grown|IGI

2.31ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG512220503

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG512220503

Diamond specifications and retailer prices

From $1,710 USD
As of November 2, 2026
Save $7,522 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,232 USD at MOH London · As of November 3, 2026
View at MOH London

About this 2.31ct lab-grown heart diamond

This 2.31ct lab-grown heart sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512220503 or 512220503. Listed at 13 retailers as of November 2, 2026, with prices from $1,710 to $9,232, a $7,522 spread on the same certified stone. MOH London lists it at $9,232. 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

2.31
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220503
Dimensions9.09 × 8.19 × 5.44 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.09 mm8.19 mm2.31 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512220503
Side View
Table 59.0%Crown 36.4°Girdle: STK-THKPavilion 41°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,232 USD|Low: $1,710 USD|High: $9,355 USD|Avg: $5,191 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 6$1,710 USD
Retailer 8$3,715 USD
Retailer 12$4,042 USD
Retailer 4$4,161 USD
Retailer 3$4,310 USD
Retailer 9$4,310 USD
Retailer 11$5,385 USD
Retailer 5$5,581 USD
Retailer 2$5,811 USD
Retailer 7$5,828 USD
Retailer 10$6,679 USD
MOH London$9,232 USD

43 data points across 12 retailers

13 retailers$1,710 USD to $9,232 USD

B+
Cheapest Retailer
-
$1,710 USD
B
Retailer 2
-
$3,715 USD
View
B
Retailer 3
-
$4,042 USD
View
B
Retailer 4
-
$4,161 USD
View
Final sale: no returns
B
Retailer 5
-
$4,310 USD
View
Retailer 6
-
$4,310 USD
View
Price last confirmed 23 days ago
B
Retailer 7
-
$4,465 USD
View
B
Retailer 8
-
$5,385 USD
View
B
Retailer 9
-
$5,581 USD
View
B
Retailer 10
-
$5,811 USD
View
B
Retailer 11
-
$5,828 USD
View
B
Retailer 12
-
$6,679 USD
View
Most Expensive
B
MOH London
LG512220503 · Nov 3
$9,232 USD
£7,269 GBP
View
12 more retailers have this diamond
Prices start from $1,710 USDSave up to $7,522 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.

B+
2.31ct Heart
$1,710 USD