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Round|Lab Grown|IGI

2.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG774653518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG774653518

Diamond specifications and retailer prices

From $588 USD
As of November 1, 2026
Save $1,802 USD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,390 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.53ct lab-grown round diamond

This 2.53ct 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 LG774653518 or 774653518. Listed at 12 retailers as of October 31, 2026, with prices from $588 to $2,390, a $1,802 spread on the same certified stone. Brilliant Earth lists it at $2,390. 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

2.53
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774653518
Dimensions8.74 × 8.70 × 5.37 mm
L/W Ratio1.00
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
Top View
8.74 mm8.70 mm2.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774653518
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

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: Nov 1
Current: $2,390 USD|Low: $437 USD|High: $2,460 USD|Avg: $1,106 USD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$437 USD
Retailer 7$588 USD
Retailer 9$733 USD
Retailer 4$769 USD
Retailer 2$778 USD
Retailer 10$946 USD
Retailer 6$1,024 USD
Retailer 5$1,717 USD
Retailer 3$1,755 USD
Brilliant Earth$2,390 USD

42 data points across 10 retailers

12 retailers$588 USD to $2,390 USD

Retailer 1
-
$437 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$588 USD
View
A
Retailer 3
-
$733 USD
View
A
Retailer 4
-
$769 USD
€732 EUR
View
A
Retailer 5
-
$778 USD
£613 GBP
View
B+
Retailer 6
-
$946 USD
View
B+
Retailer 7
-
$1,003 USD
View
B+
Retailer 8
-
$1,024 USD
View
B
Retailer 9
-
$1,447 USD
View
B
Retailer 10
-
$1,717 USD
£1,352 GBP
View
B
Retailer 11
-
$1,755 USD
View
Most Expensive
B
Brilliant Earth
18091342A · Oct 31
$2,390 USD
View
11 more retailers have this diamond
Prices start from $588 USDSave up to $1,802 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
2.53ct Round
$588 USD