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Radiant|Lab Grown|IGI

3.50ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG698530204

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

Certificate IGI LG698530204

Diamond specifications and retailer prices

From $665 CAD
$475 USD
As of October 27, 2026
Save $7,019 CAD (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,684 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown radiant diamond

This 3.5ct 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 LG698530204 or 698530204. Listed at 18 retailers as of October 27, 2026, with prices from $665 to $7,684, a $7,019 spread on the same certified stone. Brilliant Earth lists it at $7,684. 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

3.50
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698530204
Dimensions10.51 × 7.47 × 5.04 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.51 mm7.47 mm3.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698530204
Side View
Table 70.0%Crown 49.2°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 67.5%

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 27
Current: $7,684 CAD|Low: $745 CAD|High: $7,908 CAD|Avg: $2,340 CAD|-2.8%
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
October 30, 2026
Retailer 7$745 CAD
Retailer 14$824 CAD
Retailer 15$896 CAD
Retailer 9$1,022 CAD
Retailer 4$1,134 CAD
Retailer 11$1,199 CAD
Retailer 2$1,369 CAD
Retailer 16$1,874 CAD
Retailer 13$1,917 CAD
Retailer 5$2,435 CAD
Retailer 3$2,613 CAD
Retailer 8$2,692 CAD
Retailer 6$2,900 CAD
Retailer 12$3,045 CAD
Retailer 10$4,661 CAD
Brilliant Earth$7,684 CAD

42 data points across 16 retailers

18 retailers$665 CAD to $7,684 CAD

A
Cheapest Retailer
-
$665 CAD
$475 USD
A
Retailer 2
-
$745 CAD
$532 USD
View
Final sale: no returns
A
Retailer 3
-
$745 CAD
$532 USD
View
A
Retailer 4
-
$824 CAD
$589 USD
View
A
Retailer 5
-
$896 CAD
HK$5,000 HKD
View
A
Retailer 6
-
$1,022 CAD
$730 USD
View
B+
Retailer 7
-
$1,134 CAD
$810 USD
View
A
Retailer 8
-
$1,199 CAD
€816 EUR
View
A
Retailer 9
-
$1,369 CAD
£770 GBP
View
B+
Retailer 10
-
$1,874 CAD
$1,339 USD
View
B+
Retailer 11
-
$1,917 CAD
$1,370 USD
View
B+
Retailer 12
-
$2,435 CAD
$1,740 USD
View
B
Retailer 13
-
$2,613 CAD
SGD 2,523 SGD
View
B
Retailer 14
-
$2,692 CAD
$1,923 USD
View
B
Retailer 15
-
$2,900 CAD
$2,072 USD
View
Retailer 16
-
$3,045 CAD
£1,713 GBP
View
Price last confirmed 9 days ago
B
Retailer 17
-
$4,661 CAD
$3,330 USD
View
Most Expensive
B
Brilliant Earth
20386828A · Oct 29
$7,684 CAD
$5,490 USD
View
17 more retailers have this diamond
Prices start from $665 CADSave up to $7,019 CAD

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
3.50ct Radiant
$665 CAD