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Radiant|Lab Grown|IGI

5.05ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG618466739

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

Certificate IGI LG618466739

Diamond specifications and retailer prices

From $613 SGD
$479 USD
As of November 2, 2026
Save $4,477 SGD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,090 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.05ct lab-grown radiant diamond

This 5.05ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618466739 or 618466739. Listed at 15 retailers as of November 2, 2026, with prices from $613 to $5,090, a $4,477 spread on the same certified stone. Brilliant Earth lists it at $5,090. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618466739
Dimensions11.94 × 8.44 × 5.75 mm
L/W Ratio1.41
Culet sizePointed
Top View
11.94 mm8.44 mm5.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618466739
Side View
Table 65.0%Crown 42.8°Girdle: MediumPavilion 35°Culet: NoneDepth 68.1%

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: Nov 2
Current: $5,090 SGD|Low: $613 SGD|High: $5,090 SGD|Avg: $1,771 SGD
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
Retailer 16
November 2, 2026
Retailer 3$613 SGD
Retailer 12$687 SGD
Retailer 6$760 SGD
Retailer 8$760 SGD
Retailer 16$799 SGD
Retailer 11$940 SGD
Retailer 7$1,184 SGD
Retailer 10$1,226 SGD
Retailer 2$1,261 SGD
Retailer 5$1,336 SGD
Retailer 15$1,633 SGD
Retailer 13$2,042 SGD
Retailer 4$2,443 SGD
Retailer 9$2,790 SGD
Retailer 14$3,952 SGD
Brilliant Earth$5,090 SGD

36 data points across 16 retailers

15 retailers$613 SGD to $5,090 SGD

A
Cheapest Retailer
-
$613 SGD
$479 USD
A
Retailer 2
-
$687 SGD
$537 USD
View
A
Retailer 3
-
$760 SGD
$594 USD
View
Retailer 4
-
$760 SGD
$594 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$940 SGD
$735 USD
View
B+
Retailer 6
-
$1,184 SGD
$926 USD
View
A
Retailer 7
-
$1,226 SGD
€913 EUR
View
A
Retailer 8
-
$1,261 SGD
£777 GBP
View
A
Retailer 9
-
$1,336 SGD
$1,045 USD
View
B+
Retailer 10
-
$1,633 SGD
$1,277 USD
View
B+
Retailer 11
-
$2,042 SGD
$1,597 USD
View
B+
Retailer 12
-
$2,443 SGD
$1,910 USD
View
B
Retailer 13
-
$2,790 SGD
£1,718 GBP
View
B
Retailer 14
-
$3,952 SGD
$3,090 USD
View
Most Expensive
B
Brilliant Earth
9039898A · Nov 2
$5,090 SGD
$3,980 USD
View
14 more retailers have this diamond
Prices start from $613 SGDSave up to $4,477 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
5.05ct Radiant
$613 SGD