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Radiant|Lab Grown|IGI

2.57ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG793601811

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG793601811

Diamond specifications and retailer prices

From $820 NZD
$462 USD
As of October 27, 2026
Save $2,988 NZD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,613 NZD at Rare Carat · As of October 23, 2026
View at Rare Carat

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG793601811 or 793601811. Listed at 21 retailers as of October 27, 2026, with a 365% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793601811
Dimensions9.74 × 6.70 × 4.60 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.74 mm6.70 mm2.57 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793601811
Side View
Table 65.0%Crown 44.9°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.7%

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 27
Current: $4,613 NZD|Low: $800 NZD|High: $4,693 NZD|Avg: $2,143 NZD|-1.7%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 3$820 NZD
Retailer 11$917 NZD
Retailer 18$919 NZD
Retailer 5$1,017 NZD
Retailer 6$1,017 NZD
Retailer 2$1,079 NZD
Retailer 17$1,269 NZD
Retailer 8$1,592 NZD
Retailer 7$1,645 NZD
Retailer 13$1,686 NZD
Retailer 21$1,690 NZD
Retailer 19$2,277 NZD
Retailer 9$2,278 NZD
Retailer 16$2,454 NZD
Retailer 20$2,736 NZD
Retailer 4$3,272 NZD
Retailer 10$3,325 NZD
Retailer 12$3,604 NZD
Retailer 15$3,759 NZD
Retailer 14$3,808 NZD
Rare Carat$4,613 NZD

38 data points across 21 retailers

21 retailers$820 NZD to $3,808 NZD

A
Cheapest Retailer
-
$820 NZD
$462 USD
A
Retailer 2
-
$917 NZD
$517 USD
View
Final sale: no returns
A
Retailer 3
-
$919 NZD
$518 USD
View
A
Retailer 4
-
$1,017 NZD
$573 USD
View
Retailer 5
-
$1,017 NZD
$573 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,079 NZD
£479 GBP
View
A
Retailer 7
-
$1,269 NZD
$715 USD
View
A
Retailer 8
-
$1,592 NZD
$897 USD
View
A
Retailer 9
-
$1,645 NZD
$927 USD
View
A
Retailer 10
-
$1,686 NZD
£748 GBP
View
A
Retailer 11
-
$1,690 NZD
€907 EUR
View
Retailer 12
-
$2,277 NZD
A$1,974 AUD
View
Price last confirmed 10 days ago
A
Retailer 13
-
$2,278 NZD
$1,284 USD
View
A
Retailer 14
-
$2,454 NZD
ZAR 22,346 ZAR
View
B+
Retailer 15
-
$2,736 NZD
$1,542 USD
View
B+
Retailer 16
-
$3,272 NZD
$1,844 USD
View
B+
Retailer 17
-
$3,325 NZD
$1,874 USD
View
B+
Retailer 18
-
$3,604 NZD
$2,031 USD
View
B+
Retailer 19
-
$3,759 NZD
£1,668 GBP
View
B+
Retailer 20
-
$3,808 NZD
$2,146 USD
View
Most Expensive
Rare Carat
921104 · Oct 18
$4,613 NZD
$2,600 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $820 NZDSave up to $2,988 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 Radiant
$820 NZD