Radiant|Lab Grown|IGI

5.08ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG835608487

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

Certificate IGI LG835608487

Diamond specifications and retailer prices

From $1,515 CAD
£854 GBP
As of October 27, 2026
Save $4,283 CAD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,797 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835608487 or 835608487. Listed at 15 retailers as of October 27, 2026, with prices from $1,515 to $5,797, a $4,283 spread on the same certified stone. Rare Carat lists it at $5,797. 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

5.08
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835608487
Dimensions12.20 × 8.48 × 5.50 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.20 mm8.48 mm5.08 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835608487
Side View
Table 64.0%Crown 42.9°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 64.9%

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: $5,797 CAD|Low: $1,207 CAD|High: $5,832 CAD|Avg: $2,792 CAD|-0.6%
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
October 28, 2026
Retailer 5$1,207 CAD
Retailer 14$1,302 CAD
Retailer 4$1,313 CAD
Retailer 7$1,515 CAD
Retailer 11$1,573 CAD
Retailer 2$1,592 CAD
Retailer 13$2,043 CAD
Retailer 8$2,061 CAD
Retailer 3$2,172 CAD
Retailer 9$2,839 CAD
Retailer 6$3,658 CAD
Retailer 12$4,533 CAD
Retailer 10$5,067 CAD
Rare Carat$5,797 CAD

38 data points across 14 retailers

15 retailers$1,515 CAD to $5,797 CAD

Retailer 1
-
$1,207 CAD
$864 USD
Price last confirmed 13 days ago
Retailer 2
-
$1,313 CAD
$940 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$1,400 CAD
$1,002 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
$1,515 CAD
£854 GBP
View
A
Retailer 5
-
$1,573 CAD
HK$8,800 HKD
View
A
Retailer 6
-
$1,592 CAD
$1,140 USD
View
Retailer 7
-
$2,043 CAD
€1,393 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$2,061 CAD
£1,162 GBP
View
B+
Retailer 9
-
$2,172 CAD
$1,555 USD
View
B+
Retailer 10
-
$2,839 CAD
$2,032 USD
View
B
Retailer 11
-
$3,658 CAD
$2,619 USD
View
Retailer 12
-
$3,935 CAD
$2,817 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$4,533 CAD
SGD 4,385 SGD
View
B
Retailer 14
-
$5,067 CAD
£2,856 GBP
View
Most Expensive
B
Rare Carat
172143-C · Oct 28
$5,797 CAD
$4,150 USD
View
14 more retailers have this diamond
Prices start from $1,515 CADSave up to $4,283 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
5.08ct Radiant
$1,515 CAD