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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 €426 EUR
$476 USD
As of October 31, 2026
Save €1,341 EUR (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,767 EUR at Brilliance · As of November 1, 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 11 retailers as of October 31, 2026, with prices from €426 to €1,767, a €1,341 spread on the same certified stone. Brilliance lists it at €1,767. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,767 EUR|Low: €426 EUR|High: €1,767 EUR|Avg: €993 EUR
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4€426 EUR
Retailer 9€427 EUR
Retailer 5€473 EUR
Retailer 11€634 EUR
Retailer 10€716 EUR
Retailer 2€776 EUR
Retailer 8€1,071 EUR
Retailer 7€1,299 EUR
Retailer 6€1,518 EUR
Retailer 3€1,548 EUR
Brilliance€1,767 EUR

4 data points across 11 retailers

11 retailers€426 EUR to €1,767 EUR

A
Cheapest Retailer
-
€426 EUR
$476 USD
Final sale: no returns
A
Retailer 2
-
€427 EUR
$477 USD
View
A
Retailer 3
-
€473 EUR
$528 USD
View
A
Retailer 4
-
€634 EUR
$708 USD
View
A
Retailer 5
-
€716 EUR
$800 USD
View
A
Retailer 6
-
€776 EUR
£683 GBP
View
A
Retailer 7
-
€1,071 EUR
$1,197 USD
View
A
Retailer 8
-
€1,299 EUR
$1,451 USD
View
B+
Retailer 9
-
€1,518 EUR
$1,696 USD
View
B+
Retailer 10
-
€1,548 EUR
$1,729 USD
View
Most Expensive
B+
Brilliance
D46558973 · Nov 1
€1,767 EUR
$1,974 USD
View
10 more retailers have this diamond
Prices start from €426 EURSave up to €1,341 EUR

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
€426 EUR