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Radiant|Lab Grown|IGI

5.05ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780662836

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

Certificate IGI LG780662836

Diamond specifications and retailer prices

From $18,580 NZD
$10,472 USD
As of October 30, 2026
Save $68,754 NZD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $87,335 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.05ct lab-grown radiant diamond

This 5.05ct 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 LG780662836 or 780662836. Listed at 13 retailers as of October 30, 2026, with prices from $18,580 to $87,335, a $68,754 spread on the same certified stone. With Clarity lists it at $87,335. 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

5.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662836
Dimensions12.64 × 8.46 × 5.49 mm
L/W Ratio1.49
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
12.64 mm8.46 mm5.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662836
Side View
Table 64.0%Crown 42.5°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 64.9%

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 30
Current: $33,144 NZD|Low: $17,918 NZD|High: $87,335 NZD|Avg: $39,103 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
With Clarity
October 30, 2026
Retailer 5$17,918 NZD
Retailer 11$18,580 NZD
Retailer 13$19,762 NZD
Retailer 2$20,766 NZD
Retailer 10$21,327 NZD
Retailer 6$25,400 NZD
Retailer 1$33,144 NZD
Retailer 8$33,710 NZD
Retailer 9$35,878 NZD
Retailer 3$39,045 NZD
Retailer 7$43,372 NZD
Retailer 12$59,137 NZD
Retailer 4$65,210 NZD
With Clarity$87,335 NZD

33 data points across 14 retailers

13 retailers$18,580 NZD to $87,335 NZD

A
Cheapest Retailer
-
$18,580 NZD
$10,472 USD
A
Retailer 2
-
$19,762 NZD
$11,138 USD
View
A
Retailer 3
-
$20,766 NZD
$11,704 USD
View
A
Retailer 4
-
$21,327 NZD
$12,020 USD
View
A
Retailer 5
-
$25,400 NZD
£11,272 GBP
View
A
Retailer 6
-
$33,144 NZD
$18,680 USD
View
A
Retailer 7
-
$33,710 NZD
£14,960 GBP
View
Retailer 8
-
$35,878 NZD
€19,258 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$39,045 NZD
$22,006 USD
View
B+
Retailer 10
-
$43,372 NZD
ZAR 394,904 ZAR
View
B
Retailer 11
-
$59,137 NZD
$33,330 USD
View
B
Retailer 12
-
$65,210 NZD
$36,753 USD
View
Most Expensive
B
With Clarity
780662836 · Oct 31
$87,335 NZD
$49,222 USD
View
12 more retailers have this diamond
Prices start from $18,580 NZDSave up to $68,754 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
5.05ct Radiant
$18,580 NZD