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 €332 EUR
$371 USD
As of October 25, 2026
Save €2,174 EUR (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,048 EUR 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
Color
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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Price History

Last verified: Oct 25
Current: €3,048 EUR|Low: €261 EUR|High: €3,795 EUR|Avg: €1,025 EUR|-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€268 EUR
Retailer 13€311 EUR
Retailer 16€332 EUR
Retailer 4€367 EUR
Retailer 10€445 EUR
Retailer 2€520 EUR
Retailer 11€585 EUR
Retailer 6€638 EUR
Retailer 3€851 EUR
Retailer 7€973 EUR
Retailer 14€1,067 EUR
Retailer 5€1,067 EUR
Retailer 8€1,090 EUR
Retailer 12€1,331 EUR
Retailer 9€2,506 EUR
Rare Carat€3,048 EUR

36 data points across 16 retailers

14 retailers€332 EUR to €2,506 EUR

Retailer 1
-
€268 EUR
$299 USD
Price last confirmed 9 days ago
Retailer 2
-
€311 EUR
$347 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
€332 EUR
$371 USD
View
A
Retailer 4
-
€367 EUR
HK$3,200 HKD
View
A
Retailer 5
-
€445 EUR
£391 GBP
View
A
Retailer 6
-
€520 EUR
View
A
Retailer 7
-
€585 EUR
£515 GBP
View
A
Retailer 8
-
€638 EUR
$713 USD
View
B+
Retailer 9
-
€851 EUR
$951 USD
View
Retailer 10
-
€1,067 EUR
$1,192 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
€1,067 EUR
SGD 1,611 SGD
View
B+
Retailer 12
-
€1,331 EUR
£1,171 GBP
View
B
Retailer 13
-
€2,506 EUR
$2,800 USD
View
Most Expensive
Rare Carat
88216-C · Oct 19
€3,048 EUR
$3,405 USD
View
Price last confirmed 13 days ago
13 more retailers have this diamond
Prices start from €332 EURSave up to €2,174 EUR

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
€332 EUR