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Radiant|Lab Grown|IGI

5.08ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768628585

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

Certificate IGI LG768628585

Diamond specifications and retailer prices

From $18,687 NZD
$10,532 USD
As of October 30, 2026
Save $46,754 NZD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $65,441 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768628585 or 768628585. Listed at 13 retailers as of October 30, 2026, with prices from $18,687 to $65,441, a $46,754 spread on the same certified stone. Taylor and Hart lists it at $65,441. 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

5.08
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768628585
Dimensions12.45 × 8.63 × 5.57 mm
L/W Ratio1.44
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
12.45 mm8.63 mm5.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768628585
Side View
Table 64.0%Crown 40.8°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 64.5%

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: $33,339 NZD|Low: $18,024 NZD|High: $117,139 NZD|Avg: $40,596 NZD|-35.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 30, 2026
Retailer 5$18,024 NZD
Retailer 11$18,687 NZD
Retailer 13$19,959 NZD
Retailer 2$20,889 NZD
Retailer 10$21,407 NZD
Retailer 6$25,550 NZD
Retailer 1$33,339 NZD
Retailer 8$33,906 NZD
Retailer 9$36,090 NZD
Retailer 4$39,272 NZD
Retailer 7$43,624 NZD
Retailer 12$59,489 NZD
Taylor and Hart$65,441 NZD
Retailer 3$117,139 NZD

33 data points across 14 retailers

13 retailers$18,687 NZD to $65,441 NZD

A
Cheapest Retailer
-
$18,687 NZD
$10,532 USD
A
Retailer 2
-
$19,959 NZD
$11,249 USD
View
A
Retailer 3
-
$20,889 NZD
$11,773 USD
View
A
Retailer 4
-
$21,407 NZD
$12,065 USD
View
A
Retailer 5
-
$25,550 NZD
£11,339 GBP
View
A
Retailer 6
-
$33,339 NZD
$18,790 USD
View
A
Retailer 7
-
$33,906 NZD
£15,047 GBP
View
Retailer 8
-
$36,090 NZD
€19,372 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$39,272 NZD
$22,134 USD
View
B+
Retailer 10
-
$43,624 NZD
ZAR 397,202 ZAR
View
B
Retailer 11
-
$59,489 NZD
$33,528 USD
View
Most Expensive
B
Taylor and Hart
FKIXB9I · Oct 30
$65,441 NZD
$36,882 USD
View
11 more retailers have this diamond
Prices start from $18,687 NZDSave up to $46,754 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
5.08ct Radiant
$18,687 NZD