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Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816630988

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

Certificate IGI LG816630988

Diamond specifications and retailer prices

From $5,617 SGD
$4,394 USD
As of October 30, 2026
Save $17,628 SGD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $23,245 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.02ct lab-grown radiant diamond

This 4.02ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816630988 or 816630988. Listed at 17 retailers as of October 30, 2026, with prices from $5,617 to $23,245, a $17,628 spread on the same certified stone. Taylor and Hart lists it at $23,245. 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

4.02
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630988
Dimensions11.08 × 7.88 × 5.40 mm
L/W Ratio1.41
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
11.08 mm7.88 mm4.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630988
Side View
Table 63.0%Crown 43.6°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 68.5%

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: $8,450 SGD|Low: $5,617 SGD|High: $28,025 SGD|Avg: $11,110 SGD|-17.1%
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
Retailer 14
Retailer 15
Retailer 16
Taylor and Hart
October 30, 2026
Retailer 6$5,617 SGD
Retailer 12$5,887 SGD
Retailer 4$6,291 SGD
Retailer 8$6,517 SGD
Retailer 16$6,517 SGD
Retailer 11$6,571 SGD
Retailer 14$7,378 SGD
Retailer 7$8,143 SGD
Retailer 1$8,450 SGD
Retailer 13$8,480 SGD
Retailer 5$9,176 SGD
Retailer 10$10,070 SGD
Retailer 15$10,084 SGD
Retailer 3$12,192 SGD
Retailer 9$13,565 SGD
Retailer 2$18,108 SGD
Taylor and Hart$23,245 SGD

39 data points across 17 retailers

17 retailers$5,617 SGD to $23,245 SGD

A
Cheapest Retailer
-
$5,617 SGD
$4,394 USD
A
Retailer 2
-
$5,887 SGD
$4,605 USD
View
A
Retailer 3
-
$6,291 SGD
$4,921 USD
View
Final sale: no returns
A
Retailer 4
-
$6,517 SGD
$5,098 USD
View
Retailer 5
-
$6,517 SGD
$5,098 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$6,571 SGD
$5,140 USD
View
A
Retailer 7
-
$7,378 SGD
$5,771 USD
View
A
Retailer 8
-
$8,143 SGD
$6,370 USD
View
A
Retailer 9
-
$8,450 SGD
£5,204 GBP
View
A
Retailer 10
-
$8,480 SGD
$6,633 USD
View
B+
Retailer 11
-
$9,176 SGD
£5,652 GBP
View
Retailer 12
-
$10,070 SGD
€7,502 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$10,084 SGD
$7,888 USD
View
B+
Retailer 14
-
$12,192 SGD
$9,537 USD
View
B+
Retailer 15
-
$13,565 SGD
£8,355 GBP
View
B
Retailer 16
-
$18,108 SGD
$14,165 USD
View
Most Expensive
B
Taylor and Hart
RDWU3MF · Oct 30
$23,245 SGD
$18,183 USD
View
16 more retailers have this diamond
Prices start from $5,617 SGDSave up to $17,628 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
4.02ct Radiant
$5,617 SGD