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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 $566 USD
As of October 27, 2026
Save $2,889 USD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,455 USD 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 17 retailers as of October 27, 2026, with prices from $566 to $3,455, a $2,889 spread on the same certified stone. Rare Carat lists it at $3,455. 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
Color
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

How it works →
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: $3,455 USD|Low: $559 USD|High: $3,505 USD|Avg: $1,525 USD|-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 27, 2026
Retailer 3$566 USD
Retailer 4$691 USD
Retailer 10$725 USD
Retailer 6$858 USD
Retailer 7$911 USD
Retailer 9$973 USD
Retailer 2$1,037 USD
Retailer 8$1,617 USD
Retailer 11$1,951 USD
Retailer 12$1,983 USD
Retailer 5$2,619 USD
Rare Carat$3,455 USD

36 data points across 12 retailers

17 retailers$566 USD to $3,455 USD

A
Retailer 1
-
$505 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$566 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$566 USD
View
Final sale: no returns
A
Retailer 4
-
$618 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$627 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$691 USD
HK$5,400 HKD
View
A
Retailer 7
-
$725 USD
View
A
Retailer 8
-
$858 USD
£676 GBP
View
Price last confirmed 10 days ago
A
Retailer 9
-
$911 USD
€868 EUR
View
B+
Retailer 10
-
$973 USD
View
A
Retailer 11
-
$1,037 USD
£817 GBP
View
B+
Retailer 12
-
$1,617 USD
View
B+
Retailer 13
-
$1,648 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$1,951 USD
View
B+
Retailer 15
-
$1,983 USD
SGD 2,680 SGD
View
B
Retailer 16
-
$2,619 USD
£2,062 GBP
View
Most Expensive
B
Rare Carat
160228-C · Oct 28
$3,455 USD
View
16 more retailers have this diamond
Prices start from $566 USDSave up to $2,889 USD

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
$566 USD