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Radiant|Lab Grown|IGI

2.56ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG811635410

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

Certificate IGI LG811635410

Diamond specifications and retailer prices

From $2,399 NZD
$1,352 USD
As of November 1, 2026
Save $13,889 NZD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,288 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.56ct lab-grown radiant diamond

This 2.56ct 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 LG811635410 or 811635410. Listed at 13 retailers as of October 31, 2026, with prices from $2,399 to $16,288, a $13,889 spread on the same certified stone. Do Amore Diamonds lists it at $16,288. 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

2.56
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635410
Dimensions9.93 × 6.70 × 4.37 mm
L/W Ratio1.48
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.93 mm6.70 mm2.56 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635410
Side View
Table 65.0%Crown 41.6°Girdle: ThickPavilion 32.5°Culet: NoneDepth 65.2%

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: Nov 1
Current: $16,288 NZD|Low: $2,399 NZD|High: $21,096 NZD|Avg: $7,840 NZD|-22.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$2,399 NZD
Retailer 4$2,440 NZD
Retailer 6$3,394 NZD
Retailer 9$3,691 NZD
Retailer 3$3,959 NZD
Retailer 8$4,446 NZD
Retailer 2$7,547 NZD
Retailer 10$10,131 NZD
Retailer 5$12,420 NZD
Do Amore Diamonds$16,288 NZD

30 data points across 10 retailers

13 retailers$2,399 NZD to $16,288 NZD

A
Cheapest Retailer
-
$2,399 NZD
$1,352 USD
A
Retailer 2
-
$2,440 NZD
$1,375 USD
View
Retailer 3
-
$2,940 NZD
$1,657 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$3,332 NZD
$1,878 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$3,394 NZD
$1,913 USD
View
A
Retailer 6
-
$3,691 NZD
$2,080 USD
View
A
Retailer 7
-
$3,959 NZD
€2,125 EUR
View
A
Retailer 8
-
$4,446 NZD
$2,506 USD
View
Retailer 9
-
$7,351 NZD
$4,143 USD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$7,547 NZD
£3,349 GBP
View
B
Retailer 11
-
$10,131 NZD
$5,710 USD
View
B
Retailer 12
-
$12,420 NZD
$7,000 USD
View
Most Expensive
B
Do Amore Diamonds
27-42043347B · Oct 31
$16,288 NZD
$9,180 USD
View
12 more retailers have this diamond
Prices start from $2,399 NZDSave up to $13,889 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
2.56ct Radiant
$2,399 NZD