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Radiant|Lab Grown|IGI

3.72ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG835634491

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

Certificate IGI LG835634491

Diamond specifications and retailer prices

From $884 SGD
HK$5,400 HKD
As of October 31, 2026
Save $3,533 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,417 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.72ct lab-grown radiant diamond

This 3.72ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835634491 or 835634491. Listed at 16 retailers as of October 28, 2026, with prices from $884 to $4,417, a $3,533 spread on the same certified stone. Rare Carat lists it at $4,417. 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

3.72
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835634491
Dimensions10.53 × 7.80 × 5.10 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm7.80 mm3.72 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835634491
Side View
Table 66.0%Crown 42.7°Girdle: MediumPavilion 33.7°Culet: NoneDepth 65.4%

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 31
Current: $4,417 SGD|Low: $715 SGD|High: $4,481 SGD|Avg: $1,945 SGD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$724 SGD
Retailer 4$884 SGD
Retailer 10$927 SGD
Retailer 8$1,097 SGD
Retailer 2$1,168 SGD
Retailer 9$1,244 SGD
Retailer 6$1,326 SGD
Retailer 5$1,861 SGD
Retailer 11$2,494 SGD
Retailer 12$2,535 SGD
Retailer 7$3,348 SGD
Rare Carat$4,417 SGD

37 data points across 12 retailers

16 retailers$884 SGD to $4,417 SGD

Retailer 1
-
$646 SGD
$505 USD
Price last confirmed 14 days ago
Retailer 2
-
$724 SGD
$566 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$790 SGD
$618 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$802 SGD
$627 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$884 SGD
HK$5,400 HKD
View
A
Retailer 6
-
$927 SGD
$725 USD
View
Retailer 7
-
$1,097 SGD
£676 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
$1,168 SGD
€870 EUR
View
B+
Retailer 9
-
$1,244 SGD
$973 USD
View
A
Retailer 10
-
$1,326 SGD
£817 GBP
View
B+
Retailer 11
-
$1,861 SGD
$1,456 USD
View
Retailer 12
-
$2,107 SGD
$1,648 USD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
$2,494 SGD
$1,951 USD
View
B+
Retailer 14
-
$2,535 SGD
View
B
Retailer 15
-
$3,348 SGD
£2,062 GBP
View
Most Expensive
B
Rare Carat
160228-C · Oct 28
$4,417 SGD
$3,455 USD
View
15 more retailers have this diamond
Prices start from $884 SGDSave up to $3,533 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
3.72ct Radiant
$884 SGD