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Round|Lab Grown|IGI

2.30ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG749576650

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749576650

Diamond specifications and retailer prices

From $340 USD
As of October 29, 2026
Save $2,590 USD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,930 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.3ct lab-grown round diamond

This 2.3ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG749576650 or 749576650. Listed at 18 retailers as of October 28, 2026, with prices from $340 to $2,930, a $2,590 spread on the same certified stone. Brilliant Earth lists it at $2,930. 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

2.30
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749576650
Dimensions8.55 × 8.53 × 5.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.55 mm8.53 mm2.30 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749576650
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 59.9%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $2,930 USD|Low: $340 USD|High: $3,020 USD|Avg: $977 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$340 USD
Retailer 3$381 USD
Retailer 9$422 USD
Retailer 6$575 USD
Retailer 10$679 USD
Retailer 5$746 USD
Retailer 2$755 USD
Retailer 11$784 USD
Retailer 7$1,051 USD
Retailer 4$1,701 USD
Brilliant Earth$2,930 USD

39 data points across 11 retailers

18 retailers$340 USD to $2,930 USD

A
Cheapest Retailer
-
$340 USD
A
Retailer 2
-
$381 USD
View
Final sale: no returns
A
Retailer 3
-
$395 USD
View
A
Retailer 4
-
$422 USD
View
A
Retailer 5
-
$422 USD
View
A
Retailer 6
-
$575 USD
View
B+
Retailer 7
-
$679 USD
View
A
Retailer 8
-
$746 USD
A$1,148 AUD
View
A
Retailer 9
-
$755 USD
£595 GBP
View
B+
Retailer 10
-
$784 USD
View
B+
Retailer 11
-
$792 USD
View
B
Retailer 12
-
$1,051 USD
View
Retailer 13
-
$1,135 USD
View
Price last confirmed 46 days ago
B
Retailer 14
-
$1,357 USD
View
B
Retailer 15
-
$1,400 USD
View
Retailer 16
-
$1,635 USD
View
Price last confirmed 96 days ago
B
Retailer 17
-
$1,701 USD
£1,339 GBP
View
Most Expensive
B
Brilliant Earth
16939529A · Oct 28
$2,930 USD
View
17 more retailers have this diamond
Prices start from $340 USDSave up to $2,590 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
2.30ct Round
$340 USD