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Radiant|Lab Grown|IGI

2.57ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG788683048

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

Certificate IGI LG788683048

Diamond specifications and retailer prices

From $823 NZD
$462 USD
As of October 27, 2026
Save $3,000 NZD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,632 NZD at Rare Carat · As of October 18, 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 LG788683048 or 788683048. 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 angle45.2°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788683048
Dimensions9.90 × 6.62 × 4.48 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.90 mm6.62 mm2.57 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788683048
Side View
Table 66.0%Crown 45.2°Girdle: MediumPavilion 34.4°Culet: NoneDepth 67.7%

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: $4,632 NZD|Low: $803 NZD|High: $4,712 NZD|Avg: $2,137 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 29, 2026
Retailer 3$823 NZD
Retailer 11$921 NZD
Retailer 17$923 NZD
Retailer 5$1,021 NZD
Retailer 6$1,021 NZD
Retailer 21$1,086 NZD
Retailer 16$1,274 NZD
Retailer 8$1,598 NZD
Retailer 7$1,651 NZD
Retailer 15$1,685 NZD
Retailer 20$1,697 NZD
Retailer 18$2,286 NZD
Retailer 9$2,287 NZD
Retailer 13$2,464 NZD
Retailer 19$2,747 NZD
Retailer 4$3,285 NZD
Retailer 10$3,339 NZD
Retailer 12$3,619 NZD
Retailer 2$3,774 NZD
Retailer 14$3,823 NZD
Rare Carat$4,632 NZD

37 data points across 21 retailers

21 retailers$823 NZD to $3,823 NZD

A
Cheapest Retailer
-
$823 NZD
$462 USD
A
Retailer 2
-
$921 NZD
$517 USD
View
Final sale: no returns
A
Retailer 3
-
$923 NZD
$518 USD
View
A
Retailer 4
-
$1,021 NZD
$573 USD
View
A
Retailer 5
-
$1,021 NZD
$573 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,086 NZD
£480 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$1,274 NZD
$715 USD
View
A
Retailer 8
-
$1,598 NZD
$897 USD
View
A
Retailer 9
-
$1,651 NZD
$927 USD
View
A
Retailer 10
-
$1,685 NZD
£745 GBP
View
A
Retailer 11
-
$1,697 NZD
€907 EUR
View
A
Retailer 12
-
$2,286 NZD
A$1,974 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
$2,287 NZD
$1,284 USD
View
A
Retailer 14
-
$2,464 NZD
ZAR 22,346 ZAR
View
B+
Retailer 15
-
$2,747 NZD
$1,542 USD
View
B+
Retailer 16
-
$3,285 NZD
$1,844 USD
View
B+
Retailer 17
-
$3,339 NZD
$1,874 USD
View
B+
Retailer 18
-
$3,619 NZD
$2,031 USD
View
B+
Retailer 19
-
$3,774 NZD
£1,668 GBP
View
B+
Retailer 20
-
$3,823 NZD
$2,146 USD
View
Most Expensive
B
Rare Carat
920193 · Oct 18
$4,632 NZD
$2,600 USD
View
Price last confirmed 10 days ago
20 more retailers have this diamond
Prices start from $823 NZDSave up to $3,000 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
$823 NZD