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Radiant|Lab Grown|IGI

2.56ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816608558

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

Certificate IGI LG816608558

Diamond specifications and retailer prices

From $2,440 NZD
$1,375 USD
As of October 31, 2026
Save $13,848 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,288 NZD at Do Amore Diamonds · As of November 1, 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 LG816608558 or 816608558. Listed at 12 retailers as of October 31, 2026, with prices from $2,440 to $16,288, a $13,848 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 angle46.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608558
Dimensions9.37 × 6.69 × 4.82 mm
L/W Ratio1.40
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
9.37 mm6.69 mm2.56 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608558
Side View
Table 64.0%Crown 46.3°Girdle: THK-VTKPavilion 36.7°Culet: NoneDepth 72.0%

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 31
Current: $16,288 NZD|Low: $2,440 NZD|High: $21,096 NZD|Avg: $9,463 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 4$2,440 NZD
Retailer 6$3,394 NZD
Retailer 8$3,691 NZD
Retailer 3$3,959 NZD
Retailer 7$4,446 NZD
Retailer 2$7,547 NZD
Retailer 9$10,131 NZD
Retailer 5$11,054 NZD
Do Amore Diamonds$16,288 NZD
Retailer 10$16,719 NZD

28 data points across 10 retailers

12 retailers$2,440 NZD to $16,288 NZD

A
Cheapest Retailer
-
$2,440 NZD
$1,375 USD
Retailer 2
-
$2,940 NZD
$1,657 USD
View
Price last confirmed 30 days ago
Retailer 3
-
$3,332 NZD
$1,878 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$3,394 NZD
$1,913 USD
View
A
Retailer 5
-
$3,691 NZD
$2,080 USD
View
A
Retailer 6
-
$3,959 NZD
€2,125 EUR
View
A
Retailer 7
-
$4,446 NZD
$2,506 USD
View
Retailer 8
-
$7,351 NZD
$4,143 USD
View
Price last confirmed 32 days ago
B+
Retailer 9
-
$7,547 NZD
£3,349 GBP
View
B
Retailer 10
-
$10,131 NZD
$5,710 USD
View
B
Retailer 11
-
$11,054 NZD
$6,230 USD
View
Most Expensive
B
Do Amore Diamonds
27-38F93DA12 · Nov 1
$16,288 NZD
$9,180 USD
View
11 more retailers have this diamond
Prices start from $2,440 NZDSave up to $13,848 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
$2,440 NZD