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Round|Lab Grown|IGI

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 $2,036 AUD
$1,430 USD
As of October 30, 2026
Save $11,901 AUD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,936 AUD 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 $2,036 to $13,936, a $11,901 spread on the same certified stone. Cape Diamonds lists it at $13,936. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $13,936 AUD|Low: $2,036 AUD|High: $14,580 AUD|Avg: $8,460 AUD|-4.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$2,036 AUD
Retailer 6$5,216 AUD
Retailer 7$5,623 AUD
Retailer 8$6,288 AUD
Retailer 4$7,453 AUD
Retailer 5$8,386 AUD
Retailer 9$12,146 AUD
Retailer 3$13,768 AUD
Cape Diamonds$13,936 AUD

19 data points across 9 retailers

12 retailers$2,036 AUD to $13,936 AUD

A
Cheapest Retailer
-
$2,036 AUD
$1,430 USD
B+
Retailer 2
-
$4,658 AUD
$3,272 USD
View
B+
Retailer 3
-
$5,068 AUD
$3,560 USD
View
B+
Retailer 4
-
$5,216 AUD
$3,664 USD
View
Final sale: no returns
Retailer 5
-
$5,403 AUD
$3,795 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$5,403 AUD
$3,795 USD
View
B+
Retailer 7
-
$5,623 AUD
$3,950 USD
View
B+
Retailer 8
-
$6,751 AUD
$4,742 USD
View
B
Retailer 9
-
$7,453 AUD
$5,235 USD
View
B
Retailer 10
-
$8,386 AUD
$5,891 USD
View
B
Retailer 11
-
$13,768 AUD
£7,615 GBP
View
Most Expensive
B
Cape Diamonds
cert_476186868 · Oct 29
$13,936 AUD
ZAR 158,150 ZAR
View
11 more retailers have this diamond
Prices start from $2,036 AUDSave up to $11,901 AUD

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
$2,036 AUD