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Radiant|Lab Grown|IGI

2.57ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG776636683

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

Certificate IGI LG776636683

Diamond specifications and retailer prices

From $10,687 NZD
$6,023 USD
As of October 30, 2026
Save $13,215 NZD (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $23,901 NZD at MOH London · As of October 29, 2026
View at MOH London

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776636683 or 776636683. Listed at 8 retailers as of October 29, 2026, with prices from $10,687 to $23,901, a $13,215 spread on the same certified stone. MOH London lists it at $23,901. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776636683
Dimensions9.40 × 6.73 × 4.59 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm6.73 mm2.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776636683
Side View
Table 63.0%Crown 46.6°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $23,901 NZD|Low: $10,307 NZD|High: $24,093 NZD|Avg: $15,637 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6$10,687 NZD
Retailer 7$10,715 NZD
Retailer 4$10,735 NZD
Retailer 3$15,011 NZD
Retailer 5$18,038 NZD
Retailer 2$18,867 NZD
MOH London$23,901 NZD

39 data points across 7 retailers

8 retailers$10,687 NZD to $23,901 NZD

B+
Cheapest Retailer
-
$10,687 NZD
$6,023 USD
B+
Retailer 2
-
$10,715 NZD
$6,039 USD
View
Retailer 3
-
$10,735 NZD
$6,050 USD
View
Price last confirmed 13 days ago
B
Retailer 4
-
$15,011 NZD
£6,661 GBP
View
B
Retailer 5
-
$18,038 NZD
$10,166 USD
View
Retailer 6
-
$18,867 NZD
€10,127 EUR
View
Most Expensive
B
MOH London
LG776636683 · Oct 29
$23,901 NZD
£10,607 GBP
View
6 more retailers have this diamond
Prices start from $10,687 NZDSave up to $13,215 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.

B+
2.57ct Radiant
$10,687 NZD