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Round|Lab Grown|IGI

2.57ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG445027316

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445027316

Diamond specifications and retailer prices

From $342 USD
As of October 29, 2026
Save $2,688 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,030 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown round diamond

This 2.57ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG445027316 or 445027316. Listed at 15 retailers as of October 29, 2026, with prices from $342 to $3,030, a $2,688 spread on the same certified stone. Do Amore Diamonds lists it at $3,030. 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

2.57
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445027316
Dimensions8.70 × 8.72 × 5.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
8.70 mm8.72 mm2.57 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445027316
Side View
Table 61.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.0%

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: $3,030 USD|Low: $383 USD|High: $21,588 USD|Avg: $2,744 USD|+5.2%
Do Amore Diamonds
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 11$383 USD
Retailer 13$396 USD
Retailer 10$563 USD
Retailer 8$575 USD
Retailer 4$855 USD
Retailer 14$868 USD
Retailer 12$1,018 USD
Retailer 7$1,128 USD
Retailer 9$1,242 USD
Retailer 3$1,659 USD
Retailer 2$1,836 USD
Do Amore Diamonds$3,030 USD
Retailer 6$3,078 USD
Retailer 5$21,588 USD

24 data points across 14 retailers

15 retailers$342 USD to $3,030 USD

A
Cheapest Retailer
-
$342 USD
A
Retailer 2
-
$383 USD
View
Final sale: no returns
A
Retailer 3
-
$396 USD
View
A
Retailer 4
-
$424 USD
View
A
Retailer 5
-
$424 USD
View
B+
Retailer 6
-
$563 USD
View
A
Retailer 7
-
$575 USD
View
A
Retailer 8
-
$868 USD
View
A
Retailer 9
-
$1,018 USD
View
A
Retailer 10
-
$1,128 USD
ZAR 18,222 ZAR
View
A
Retailer 11
-
$1,242 USD
View
A
Retailer 12
-
$1,503 USD
View
A
Retailer 13
-
$1,659 USD
View
A
Retailer 14
-
$1,836 USD
£1,446 GBP
View
Most Expensive
B+
Do Amore Diamonds
27-5CC5C832C · Oct 29
$3,030 USD
View
14 more retailers have this diamond
Prices start from $342 USDSave up to $2,688 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
2.57ct Round
$342 USD