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Radiant|Lab Grown|IGI

3.59ct F SI2 Radiant Lab Grown Diamond

ID • F/SI2 • IGI LG636427255

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

Certificate IGI LG636427255

Diamond specifications and retailer prices

From $474 SGD
$371 USD
As of October 25, 2026
Save $3,105 SGD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,353 SGD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.59ct lab-grown radiant diamond

This 3.59ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG636427255 or 636427255. Listed at 14 retailers as of October 25, 2026, with a 655% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.59
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636427255
Dimensions10.80 × 7.61 × 5.02 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.80 mm7.61 mm3.59 ctF / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636427255
Side View
Table 65.0%Crown 39.9°Girdle: MediumPavilion 33.1°Culet: NoneDepth 66.0%

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 25
Current: $4,353 SGD|Low: $373 SGD|High: $5,420 SGD|Avg: $1,463 SGD|-1.6%
Rare Carat
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
October 31, 2026
Retailer 15$382 SGD
Retailer 13$444 SGD
Retailer 16$474 SGD
Retailer 4$524 SGD
Retailer 10$635 SGD
Retailer 2$742 SGD
Retailer 11$836 SGD
Retailer 6$911 SGD
Retailer 3$1,216 SGD
Retailer 7$1,389 SGD
Retailer 14$1,524 SGD
Retailer 5$1,524 SGD
Retailer 8$1,557 SGD
Retailer 12$1,901 SGD
Retailer 9$3,580 SGD
Rare Carat$4,353 SGD

36 data points across 16 retailers

14 retailers$474 SGD to $3,580 SGD

Retailer 1
-
$382 SGD
$299 USD
Price last confirmed 9 days ago
Retailer 2
-
$444 SGD
$347 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$474 SGD
$371 USD
View
A
Retailer 4
-
$524 SGD
HK$3,200 HKD
View
A
Retailer 5
-
$635 SGD
£391 GBP
View
A
Retailer 6
-
$742 SGD
€553 EUR
View
A
Retailer 7
-
$836 SGD
£515 GBP
View
A
Retailer 8
-
$911 SGD
$713 USD
View
B+
Retailer 9
-
$1,216 SGD
$951 USD
View
Retailer 10
-
$1,524 SGD
$1,192 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$1,524 SGD
View
B+
Retailer 12
-
$1,901 SGD
£1,171 GBP
View
B
Retailer 13
-
$3,580 SGD
$2,800 USD
View
Most Expensive
Rare Carat
88216-C · Oct 19
$4,353 SGD
$3,405 USD
View
Price last confirmed 14 days ago
13 more retailers have this diamond
Prices start from $474 SGDSave up to $3,105 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
3.59ct Radiant
$474 SGD