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Radiant|Lab Grown|IGI

5.08ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780665290

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

Certificate IGI LG780665290

Diamond specifications and retailer prices

From $14,840 NZD
$8,364 USD
As of October 30, 2026
Save $33,077 NZD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $47,917 NZD at Frank Darling · As of October 31, 2026
View at Frank Darling

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 LG780665290 or 780665290. Listed at 15 retailers as of October 30, 2026, with prices from $14,840 to $47,917, a $33,077 spread on the same certified stone. Frank Darling lists it at $47,917. 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 angle38.2°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665290
Dimensions11.92 × 8.55 × 5.71 mm
L/W Ratio1.39
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
11.92 mm8.55 mm5.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665290
Side View
Table 59.0%Crown 38.2°Girdle: ThickPavilion 33.1°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A+
Exceptional
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: $47,917 NZD|Low: $14,840 NZD|High: $108,498 NZD|Avg: $30,451 NZD|-18.3%
Frank Darling
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
October 30, 2026
Retailer 10$14,840 NZD
Retailer 12$15,078 NZD
Retailer 6$15,394 NZD
Retailer 4$15,435 NZD
Retailer 15$17,069 NZD
Retailer 13$19,150 NZD
Retailer 11$19,920 NZD
Retailer 9$20,467 NZD
Retailer 3$21,371 NZD
Retailer 7$21,434 NZD
Retailer 2$28,868 NZD
Retailer 5$33,443 NZD
Retailer 8$34,100 NZD
Frank Darling$47,917 NZD
Retailer 14$92,601 NZD

40 data points across 15 retailers

15 retailers$14,840 NZD to $47,917 NZD

A+
Cheapest Retailer
-
$14,840 NZD
$8,364 USD
A
Retailer 2
-
$15,078 NZD
$8,498 USD
View
A
Retailer 3
-
$15,394 NZD
$8,676 USD
View
A
Retailer 4
-
$15,435 NZD
$8,699 USD
View
A
Retailer 5
-
$17,069 NZD
$9,620 USD
View
A
Retailer 6
-
$19,150 NZD
$10,793 USD
View
A
Retailer 7
-
$19,920 NZD
$11,227 USD
View
A
Retailer 8
-
$20,467 NZD
$11,535 USD
View
A
Retailer 9
-
$21,371 NZD
$12,045 USD
View
A
Retailer 10
-
$21,434 NZD
$12,080 USD
View
Final sale: no returns
A
Retailer 11
-
$28,868 NZD
$16,270 USD
View
Retailer 12
-
$33,443 NZD
€17,951 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$34,100 NZD
£15,133 GBP
View
Most Expensive
B+
Frank Darling
P82P-28EL · Oct 31
$47,917 NZD
$27,006 USD
View
13 more retailers have this diamond
Prices start from $14,840 NZDSave up to $33,077 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
$14,840 NZD