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Radiant|Lab Grown|IGI

2.56ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830625320

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

Certificate IGI LG830625320

Diamond specifications and retailer prices

From $1,835 NZD
$1,034 USD
As of October 30, 2026
Save $14,453 NZD (89%) vs most expensive(unlock to see where)
16 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 LG830625320 or 830625320. Listed at 16 retailers as of October 30, 2026, with prices from $1,835 to $16,288, a $14,453 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830625320
Dimensions9.73 × 7.00 × 4.44 mm
L/W Ratio1.39
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
9.73 mm7.00 mm2.56 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830625320
Side View
Table 62.0%Crown 39.7°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 63.4%

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: Oct 30
Current: $16,288 NZD|Low: $1,835 NZD|High: $21,079 NZD|Avg: $8,345 NZD|-22.7%
Do Amore Diamonds
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
November 1, 2026
Retailer 15$1,835 NZD
Retailer 4$1,996 NZD
Retailer 17$2,399 NZD
Retailer 12$2,440 NZD
Retailer 14$3,123 NZD
Retailer 16$3,394 NZD
Retailer 7$3,691 NZD
Retailer 11$3,959 NZD
Retailer 3$4,402 NZD
Retailer 18$4,446 NZD
Retailer 6$6,053 NZD
Retailer 2$7,547 NZD
Retailer 8$10,131 NZD
Retailer 13$11,054 NZD
Retailer 5$12,133 NZD
Retailer 9$12,704 NZD
Do Amore Diamonds$16,288 NZD
Retailer 10$16,487 NZD

34 data points across 18 retailers

16 retailers$1,835 NZD to $16,288 NZD

A
Cheapest Retailer
-
$1,835 NZD
$1,034 USD
A
Retailer 2
-
$1,996 NZD
$1,125 USD
View
A
Retailer 3
-
$2,399 NZD
$1,352 USD
View
A
Retailer 4
-
$2,440 NZD
$1,375 USD
View
A
Retailer 5
-
$2,810 NZD
$1,584 USD
View
A
Retailer 6
-
$3,394 NZD
$1,913 USD
View
A
Retailer 7
-
$3,691 NZD
$2,080 USD
View
A
Retailer 8
-
$3,959 NZD
€2,125 EUR
View
A
Retailer 9
-
$4,402 NZD
$2,481 USD
View
A
Retailer 10
-
$4,446 NZD
$2,506 USD
View
B+
Retailer 11
-
$6,053 NZD
$3,412 USD
View
B+
Retailer 12
-
$7,547 NZD
£3,349 GBP
View
Retailer 13
-
$10,131 NZD
$5,710 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$11,054 NZD
$6,230 USD
View
B
Retailer 15
-
$12,133 NZD
$6,838 USD
View
Most Expensive
B
Do Amore Diamonds
27-9F1927CD7 · Oct 31
$16,288 NZD
$9,180 USD
View
15 more retailers have this diamond
Prices start from $1,835 NZDSave up to $14,453 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
$1,835 NZD