Round|Lab Grown|IGI

2.31ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG831694233

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831694233

Diamond specifications and retailer prices

From $477 USD
As of October 30, 2026
Save $1,497 USD (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,974 USD at Brilliance · As of October 30, 2026
View at Brilliance

About this 2.31ct lab-grown round diamond

This 2.31ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831694233 or 831694233. Listed at 9 retailers as of October 30, 2026, with prices from $477 to $1,974, a $1,497 spread on the same certified stone. Brilliance lists it at $1,974. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.31
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831694233
Dimensions8.42 × 8.47 × 5.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.42 mm8.47 mm2.31 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831694233
Side View
Table 56.0%Crown 35.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,974 USD|Low: $477 USD|High: $1,974 USD|Avg: $1,198 USD
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$477 USD
Retailer 8$708 USD
Retailer 7$800 USD
Retailer 2$860 USD
Retailer 5$1,197 USD
Retailer 4$1,451 USD
Retailer 3$1,696 USD
Retailer 9$1,729 USD
Brilliance$1,974 USD

3 data points across 9 retailers

9 retailers$477 USD to $1,974 USD

A
Cheapest Retailer
-
$477 USD
A
Retailer 2
-
$708 USD
View
A
Retailer 3
-
$800 USD
View
A
Retailer 4
-
$860 USD
£677 GBP
View
A
Retailer 5
-
$1,197 USD
View
A
Retailer 6
-
$1,451 USD
View
B+
Retailer 7
-
$1,696 USD
View
B+
Retailer 8
-
$1,729 USD
View
Most Expensive
B+
Brilliance
D46558973 · Oct 30
$1,974 USD
View
8 more retailers have this diamond
Prices start from $477 USDSave up to $1,497 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
2.31ct Round
$477 USD