Radiant|Lab Grown|IGI

2.59ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629177

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

Certificate IGI LG768629177

Diamond specifications and retailer prices

From $3,444 NZD
$1,941 USD
As of October 30, 2026
Save $11,868 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $15,312 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.59ct lab-grown radiant diamond

This 2.59ct 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 LG768629177 or 768629177. Listed at 14 retailers as of October 30, 2026, with prices from $3,444 to $15,312, a $11,868 spread on the same certified stone. Brilliant Earth lists it at $15,312. 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

2.59
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629177
Dimensions9.67 × 6.99 × 4.56 mm
L/W Ratio1.38
Culet sizePointed
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
9.67 mm6.99 mm2.59 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629177
Side View
Table 62.0%Crown 40.3°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 65.2%

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: $15,312 NZD|Low: $3,444 NZD|High: $17,974 NZD|Avg: $8,513 NZD|-14.8%
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
October 31, 2026
Retailer 11$3,444 NZD
Retailer 4$3,793 NZD
Retailer 6$4,345 NZD
Retailer 3$4,684 NZD
Retailer 2$4,989 NZD
Retailer 9$5,043 NZD
Retailer 7$8,004 NZD
Retailer 13$8,088 NZD
Retailer 10$8,361 NZD
Retailer 8$8,908 NZD
Retailer 12$10,908 NZD
Retailer 5$11,945 NZD
Brilliant Earth$15,312 NZD

41 data points across 13 retailers

14 retailers$3,444 NZD to $15,312 NZD

A
Cheapest Retailer
-
$3,444 NZD
$1,941 USD
A
Retailer 2
-
$3,793 NZD
HK$16,700 HKD
View
A
Retailer 3
-
$4,345 NZD
£1,928 GBP
View
A
Retailer 4
-
$4,684 NZD
$2,640 USD
View
B+
Retailer 5
-
$4,989 NZD
€2,678 EUR
View
B+
Retailer 6
-
$5,043 NZD
$2,842 USD
View
B+
Retailer 7
-
$8,004 NZD
ZAR 72,873 ZAR
View
B+
Retailer 8
-
$8,088 NZD
$4,558 USD
View
B+
Retailer 9
-
$8,361 NZD
$4,712 USD
View
B+
Retailer 10
-
$8,908 NZD
£3,953 GBP
View
Retailer 11
-
$10,627 NZD
$5,990 USD
View
Price last confirmed 61 days ago
B
Retailer 12
-
$10,908 NZD
$6,148 USD
View
B
Retailer 13
-
$11,945 NZD
$6,732 USD
View
Most Expensive
B
Brilliant Earth
18692088A · Oct 30
$15,312 NZD
$8,630 USD
View
13 more retailers have this diamond
Prices start from $3,444 NZDSave up to $11,868 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
2.59ct Radiant
$3,444 NZD