Round|Lab Grown|IGI

2.31ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG694547745

Shape and cutting style on the report: Round brilliant

Certificate IGI LG694547745

Diamond specifications and retailer prices

From $1,685 USD

As of October 24, 2026

Save $237 USD (12%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $3,470 USD at Rare Carat · As of October 7, 2026

View at Rare Carat

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 LG694547745 or 694547745. Listed at 18 retailers as of October 24, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle41.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG694547745

Dimensions8.50 × 8.44 × 5.29 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG694547745

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24

Current: $3,470 USD|Low: $397 USD|High: $3,470 USD|Avg: $1,090 USD

Rare Carat

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October 24, 2026

Retailer 19$414 USD

Retailer 5$463 USD

Retailer 7$464 USD

Retailer 3$513 USD

Retailer 10$513 USD

Retailer 2$572 USD

Retailer 18$708 USD

Retailer 6$787 USD

Retailer 13$812 USD

Retailer 14$870 USD

Retailer 15$1,148 USD

Retailer 12$1,227 USD

Retailer 17$1,440 USD

Retailer 9$1,448 USD

Retailer 8$1,650 USD

Retailer 11$1,685 USD

Retailer 16$1,896 USD

Retailer 4$1,922 USD

Rare Carat$3,470 USD

38 data points across 19 retailers

18 retailers$1,685 USD to $1,922 USD

Retailer 1

$414 USD

Price last confirmed 8 days ago

Retailer 2

$464 USD

View

Price last confirmed 11 days ago

Retailer 3

$513 USD

View

Price last confirmed 14 days ago

Retailer 4

$513 USD

View

Price last confirmed 7 days ago

Retailer 5

$572 USD

£450 GBP

View

Price last confirmed 7 days ago

Retailer 6

$708 USD

View

Price last confirmed 7 days ago

Retailer 7

$787 USD

View

Price last confirmed 7 days ago

Retailer 8

$812 USD

£640 GBP

View

Price last confirmed 7 days ago

Retailer 9

$870 USD

View

Price last confirmed 7 days ago

Retailer 10

$1,148 USD

A$1,766 AUD

View

Price last confirmed 11 days ago

Retailer 11

$1,227 USD

ZAR 19,826 ZAR

View

Price last confirmed 7 days ago

Retailer 12

$1,440 USD

View

Price last confirmed 8 days ago

Retailer 13

$1,448 USD

View

Price last confirmed 7 days ago

Retailer 14

$1,650 USD

View

Price last confirmed 9 days ago

B+

Retailer 15

$1,685 USD

View

Retailer 16

$1,896 USD

£1,493 GBP

View

Price last confirmed 9 days ago

B+

Retailer 17

$1,922 USD

View

Most Expensive

Rare Carat

GD7452_l_694547745 · Oct 7

$3,470 USD

View

Price last confirmed 23 days ago

17 more retailers have this diamond

Prices start from $1,685 USDSave up to $237 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.

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B+

2.31ct Round

$1,685 USD