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Radiant|Lab Grown|IGI

2.55ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG823694861

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

Certificate IGI LG823694861

Diamond specifications and retailer prices

From $3,279 NZD
$1,848 USD
As of October 30, 2026
Save $13,914 NZD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $17,193 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.55ct lab-grown radiant diamond

This 2.55ct 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 LG823694861 or 823694861. Listed at 21 retailers as of October 29, 2026, with prices from $3,279 to $17,193, a $13,914 spread on the same certified stone. Brilliant Earth lists it at $17,193. 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

2.55
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694861
Dimensions9.76 × 6.74 × 4.60 mm
L/W Ratio1.45
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
9.76 mm6.74 mm2.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694861
Side View
Table 66.0%Crown 44.6°Girdle: MediumPavilion 35.2°Culet: NoneDepth 68.2%

Caratlytics Score

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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 30
Current: $17,193 NZD|Low: $3,148 NZD|High: $17,690 NZD|Avg: $6,961 NZD|-2.8%
Brilliant Earth
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
October 31, 2026
Retailer 18$3,279 NZD
Retailer 5$3,568 NZD
Retailer 11$3,671 NZD
Retailer 6$3,804 NZD
Retailer 19$3,804 NZD
Retailer 15$4,099 NZD
Retailer 7$4,383 NZD
Retailer 10$5,115 NZD
Retailer 12$5,231 NZD
Retailer 3$5,965 NZD
Retailer 2$6,006 NZD
Retailer 17$6,400 NZD
Retailer 4$7,131 NZD
Retailer 9$7,869 NZD
Retailer 16$9,805 NZD
Retailer 13$9,816 NZD
Retailer 14$10,924 NZD
Retailer 8$13,330 NZD
Brilliant Earth$17,193 NZD

37 data points across 19 retailers

21 retailers$3,279 NZD to $17,193 NZD

A
Cheapest Retailer
-
$3,279 NZD
$1,848 USD
A
Retailer 2
-
$3,568 NZD
$2,011 USD
View
A
Retailer 3
-
$3,671 NZD
$2,069 USD
View
Final sale: no returns
A
Retailer 4
-
$3,804 NZD
$2,144 USD
View
Retailer 5
-
$3,804 NZD
$2,144 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$4,099 NZD
$2,310 USD
View
A
Retailer 7
-
$4,383 NZD
HK$19,300 HKD
View
B+
Retailer 8
-
$5,115 NZD
$2,883 USD
View
B+
Retailer 9
-
$5,231 NZD
£2,321 GBP
View
B+
Retailer 10
-
$5,965 NZD
$3,362 USD
View
Retailer 11
-
$6,006 NZD
€3,224 EUR
View
B+
Retailer 12
-
$6,400 NZD
$3,607 USD
View
B+
Retailer 13
-
$7,131 NZD
$4,019 USD
View
B+
Retailer 14
-
$7,869 NZD
£3,492 GBP
View
B+
Retailer 15
-
$9,805 NZD
$5,526 USD
View
B+
Retailer 16
-
$9,816 NZD
ZAR 89,373 ZAR
View
B+
Retailer 17
-
$10,924 NZD
£4,848 GBP
View
B
Retailer 18
-
$11,451 NZD
$6,454 USD
View
B
Retailer 19
-
$12,703 NZD
SGD 9,675 SGD
View
B
Retailer 20
-
$13,330 NZD
$7,513 USD
View
Most Expensive
B
Brilliant Earth
21056637A · Oct 29
$17,193 NZD
$9,690 USD
View
20 more retailers have this diamond
Prices start from $3,279 NZDSave up to $13,914 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
2.55ct Radiant
$3,279 NZD