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Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816630992

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

Certificate IGI LG816630992

Diamond specifications and retailer prices

From $14,137 SGD
$11,058 USD
As of October 30, 2026
Save $34,735 SGD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $48,872 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.1ct lab-grown radiant diamond

This 5.1ct 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 LG816630992 or 816630992. Listed at 19 retailers as of October 30, 2026, with prices from $14,137 to $48,872, a $34,735 spread on the same certified stone. Taylor and Hart lists it at $48,872. 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

5.10
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630992
Dimensions12.12 × 8.62 × 5.65 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
12.12 mm8.62 mm5.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630992
Side View
Table 63.0%Crown 47.1°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 65.5%

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: $19,532 SGD|Low: $13,748 SGD|High: $55,575 SGD|Avg: $25,365 SGD|-17.3%
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
Retailer 17
Retailer 18
Taylor and Hart
October 30, 2026
Retailer 8$14,137 SGD
Retailer 5$14,336 SGD
Retailer 13$14,702 SGD
Retailer 18$15,107 SGD
Retailer 9$15,369 SGD
Retailer 6$15,832 SGD
Retailer 16$16,178 SGD
Retailer 2$16,398 SGD
Retailer 10$16,398 SGD
Retailer 17$16,805 SGD
Retailer 15$17,494 SGD
Retailer 14$17,670 SGD
Retailer 1$19,532 SGD
Retailer 7$23,496 SGD
Retailer 11$25,307 SGD
Retailer 12$26,088 SGD
Retailer 4$29,993 SGD
Retailer 3$45,695 SGD
Taylor and Hart$48,872 SGD

41 data points across 19 retailers

19 retailers$14,137 SGD to $48,872 SGD

A
Cheapest Retailer
-
$14,137 SGD
$11,058 USD
A
Retailer 2
-
$14,336 SGD
$11,214 USD
View
A
Retailer 3
-
$14,702 SGD
$11,500 USD
View
A
Retailer 4
-
$15,107 SGD
$11,817 USD
View
A
Retailer 5
-
$15,369 SGD
$12,022 USD
View
A
Retailer 6
-
$15,832 SGD
$12,384 USD
View
Final sale: no returns
A
Retailer 7
-
$16,178 SGD
$12,655 USD
View
A
Retailer 8
-
$16,398 SGD
$12,827 USD
View
Retailer 9
-
$16,398 SGD
$12,827 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$16,805 SGD
$13,145 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
$17,494 SGD
$13,684 USD
View
A
Retailer 12
-
$17,670 SGD
$13,822 USD
View
A
Retailer 13
-
$19,532 SGD
£12,030 GBP
View
A
Retailer 14
-
$23,496 SGD
£14,472 GBP
View
B+
Retailer 15
-
$25,307 SGD
£15,587 GBP
View
Retailer 16
-
$26,088 SGD
€19,435 EUR
View
Price last confirmed 7 days ago
B+
Retailer 17
-
$29,993 SGD
$23,461 USD
View
B
Retailer 18
-
$45,695 SGD
$35,744 USD
View
Most Expensive
B
Taylor and Hart
HJ0E7UE · Oct 30
$48,872 SGD
$38,229 USD
View
18 more retailers have this diamond
Prices start from $14,137 SGDSave up to $34,735 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
5.10ct Radiant
$14,137 SGD