Heart|Lab Grown|IGI

2.53ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG651422268

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG651422268

Diamond specifications and retailer prices

From $334 USD
As of October 27, 2026
Save $1,332 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,780 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.53ct lab-grown heart diamond

This 2.53ct lab-grown heart sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG651422268 or 651422268. Listed at 15 retailers as of October 27, 2026, with a 399% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651422268
Dimensions8.58 × 9.76 × 5.29 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.58 mm9.76 mm2.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651422268
Side View
Table 56.0%Crown 32.6°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 54.2%

Caratlytics Score

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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 27
Current: $3,780 USD|Low: $233 USD|High: $3,900 USD|Avg: $935 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 6$233 USD
Retailer 10$334 USD
Retailer 3$374 USD
Retailer 13$387 USD
Retailer 11$414 USD
Retailer 14$414 USD
Retailer 5$555 USD
Retailer 8$565 USD
Retailer 2$739 USD
Retailer 4$786 USD
Retailer 9$1,024 USD
Retailer 12$1,330 USD
Retailer 7$1,666 USD
Brilliant Earth$3,780 USD

43 data points across 14 retailers

15 retailers$334 USD to $1,666 USD

A
Cheapest Retailer
-
$334 USD
A
Retailer 2
-
$374 USD
View
Final sale: no returns
A
Retailer 3
-
$387 USD
View
A
Retailer 4
-
$414 USD
View
A
Retailer 5
-
$414 USD
View
B+
Retailer 6
-
$555 USD
View
A
Retailer 7
-
$565 USD
View
A
Retailer 8
-
$739 USD
£582 GBP
View
B+
Retailer 9
-
$786 USD
View
B+
Retailer 10
-
$812 USD
View
B+
Retailer 11
-
$1,024 USD
View
B
Retailer 12
-
$1,330 USD
View
B
Retailer 13
-
$1,373 USD
View
B
Retailer 14
-
$1,666 USD
£1,312 GBP
View
Most Expensive
Brilliant Earth
20626921A · Oct 29
$3,780 USD
View
Price under review
14 more retailers have this diamond
Prices start from $334 USDSave up to $1,332 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 Heart
$334 USD