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Radiant|Lab Grown|IGI

5.25ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818640333

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

Certificate IGI LG818640333

Diamond specifications and retailer prices

From $7,667 SGD
$5,980 USD
As of October 27, 2026
Save $26,230 SGD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $33,897 SGD at With Clarity · As of October 28, 2026
View at With Clarity

About this 5.25ct lab-grown radiant diamond

This 5.25ct 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 LG818640333 or 818640333. Listed at 21 retailers as of October 27, 2026, with prices from $7,667 to $33,897, a $26,230 spread on the same certified stone. With Clarity lists it at $33,897. 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

5.25
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640333
Dimensions12.20 × 8.86 × 5.65 mm
L/W Ratio1.38
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
12.20 mm8.86 mm5.25 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640333
Side View
Table 60.0%Crown 39.9°Girdle: Slightly ThickPavilion 32.6°Culet: NoneDepth 63.8%

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 27
Current: $18,194 SGD|Low: $7,667 SGD|High: $33,897 SGD|Avg: $14,453 SGD
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
Retailer 19
Retailer 20
With Clarity
October 29, 2026
Retailer 19$7,667 SGD
Retailer 6$8,035 SGD
Retailer 2$8,149 SGD
Retailer 13$8,868 SGD
Retailer 5$8,885 SGD
Retailer 10$8,894 SGD
Retailer 12$9,207 SGD
Retailer 9$10,558 SGD
Retailer 18$10,761 SGD
Retailer 15$11,074 SGD
Retailer 8$12,661 SGD
Retailer 20$13,100 SGD
Retailer 3$13,726 SGD
Retailer 14$13,751 SGD
Retailer 17$14,604 SGD
Retailer 7$16,830 SGD
Retailer 16$17,997 SGD
Retailer 1$18,194 SGD
Retailer 4$24,743 SGD
Retailer 11$31,051 SGD
With Clarity$33,897 SGD

11 data points across 21 retailers

21 retailers$7,667 SGD to $33,897 SGD

A
Cheapest Retailer
-
$7,667 SGD
$5,980 USD
A
Retailer 2
-
$8,035 SGD
$6,267 USD
View
A
Retailer 3
-
$8,149 SGD
$6,356 USD
View
A
Retailer 4
-
$8,868 SGD
$6,917 USD
View
Final sale: no returns
A
Retailer 5
-
$8,885 SGD
$6,930 USD
View
A
Retailer 6
-
$8,894 SGD
$6,937 USD
View
A
Retailer 7
-
$9,207 SGD
£5,654 GBP
View
A
Retailer 8
-
$10,558 SGD
$8,235 USD
View
A
Retailer 9
-
$10,761 SGD
$8,393 USD
View
A
Retailer 10
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$11,074 SGD
£6,801 GBP
View
A
Retailer 11
-
$12,661 SGD
£7,776 GBP
View
A
Retailer 12
-
$13,100 SGD
$10,218 USD
View
A
Retailer 13
-
$13,726 SGD
$10,706 USD
View
A
Retailer 14
-
$13,751 SGD
$10,725 USD
View
A
Retailer 15
-
$14,604 SGD
€10,848 EUR
View
A
Retailer 16
-
$16,830 SGD
$13,127 USD
View
A
Retailer 17
-
$17,997 SGD
ZAR 226,777 ZAR
View
A
Retailer 18
-
$18,194 SGD
£11,174 GBP
View
B+
Retailer 19
-
$24,743 SGD
$19,299 USD
View
B+
Retailer 20
-
$31,051 SGD
$24,219 USD
View
Most Expensive
B+
With Clarity
818640333 · Oct 28
$33,897 SGD
$26,439 USD
View
20 more retailers have this diamond
Prices start from $7,667 SGDSave up to $26,230 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
5.25ct Radiant
$7,667 SGD