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2.57ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG476186868

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186868

Diamond specifications and retailer prices

From $2,537 NZD
$1,430 USD
As of October 30, 2026
Save $14,832 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,369 NZD at Cape Diamonds · As of October 29, 2026
View at Cape 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 LG476186868 or 476186868. Listed at 12 retailers as of October 29, 2026, with prices from $2,537 to $17,369, a $14,832 spread on the same certified stone. Cape Diamonds lists it at $17,369. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186868
Dimensions8.74 × 8.78 × 5.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.74 mm8.78 mm2.57 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186868
Side View
Table 59.5%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $17,369 NZD|Low: $2,537 NZD|High: $18,171 NZD|Avg: $9,419 NZD|-4.4%
Cape 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
October 30, 2026
Retailer 2$2,537 NZD
Retailer 8$5,806 NZD
Retailer 11$6,317 NZD
Retailer 13$6,501 NZD
Retailer 9$6,733 NZD
Retailer 3$7,008 NZD
Retailer 4$7,837 NZD
Retailer 12$8,414 NZD
Retailer 7$9,288 NZD
Retailer 10$10,452 NZD
Retailer 5$15,138 NZD
Retailer 6$17,159 NZD
Cape Diamonds$17,369 NZD

22 data points across 13 retailers

12 retailers$2,537 NZD to $17,369 NZD

A
Cheapest Retailer
-
$2,537 NZD
$1,430 USD
B+
Retailer 2
-
$5,806 NZD
$3,272 USD
View
B+
Retailer 3
-
$6,317 NZD
$3,560 USD
View
B+
Retailer 4
-
$6,501 NZD
$3,664 USD
View
Final sale: no returns
Retailer 5
-
$6,733 NZD
$3,795 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$6,733 NZD
$3,795 USD
View
B+
Retailer 7
-
$7,008 NZD
$3,950 USD
View
B+
Retailer 8
-
$8,414 NZD
$4,742 USD
View
B
Retailer 9
-
$9,288 NZD
$5,235 USD
View
B
Retailer 10
-
$10,452 NZD
$5,891 USD
View
B
Retailer 11
-
$17,159 NZD
£7,615 GBP
View
Most Expensive
B
Cape Diamonds
cert_476186868 · Oct 29
$17,369 NZD
ZAR 158,150 ZAR
View
11 more retailers have this diamond
Prices start from $2,537 NZDSave up to $14,832 NZD

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
$2,537 NZD