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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 $10,720 SGD
$8,364 USD
As of October 30, 2026
Save $25,232 SGD (70%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $35,952 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 29, 2026, with prices from $10,720 to $35,952, a $25,232 spread on the same certified stone. Brilliant Earth lists it at $35,952. 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
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: $35,952 SGD|Low: $10,720 SGD|High: $78,376 SGD|Avg: $23,448 SGD|-3.0%
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
October 29, 2026
Retailer 9$10,720 SGD
Retailer 11$10,892 SGD
Retailer 6$11,120 SGD
Retailer 3$11,150 SGD
Retailer 14$12,330 SGD
Retailer 12$13,833 SGD
Retailer 10$14,390 SGD
Retailer 8$14,784 SGD
Retailer 15$15,438 SGD
Retailer 7$15,483 SGD
Retailer 5$24,158 SGD
Retailer 2$24,633 SGD
Retailer 4$34,614 SGD
Brilliant Earth$35,952 SGD
Retailer 13$66,892 SGD

38 data points across 15 retailers

15 retailers$10,720 SGD to $35,952 SGD

A
Cheapest Retailer
-
$10,720 SGD
$8,364 USD
A
Retailer 2
-
$10,892 SGD
$8,498 USD
View
A
Retailer 3
-
$11,120 SGD
$8,676 USD
View
A
Retailer 4
-
$11,150 SGD
$8,699 USD
View
A
Retailer 5
-
$12,330 SGD
$9,620 USD
View
A
Retailer 6
-
$13,833 SGD
$10,793 USD
View
A
Retailer 7
-
$14,390 SGD
$11,227 USD
View
A
Retailer 8
-
$14,784 SGD
$11,535 USD
View
A
Retailer 9
-
$15,438 SGD
$12,045 USD
View
A
Retailer 10
-
$15,483 SGD
$12,080 USD
View
Final sale: no returns
B+
Retailer 11
-
$24,158 SGD
€17,951 EUR
View
B+
Retailer 12
-
$24,633 SGD
£15,133 GBP
View
B+
Retailer 13
-
$34,614 SGD
$27,006 USD
View
Most Expensive
B
Brilliant Earth
18494855Y · Oct 29
$35,952 SGD
$28,050 USD
View
13 more retailers have this diamond
Prices start from $10,720 SGDSave up to $25,232 SGD

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
$10,720 SGD