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Radiant|Lab Grown|IGI

1.97ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG658490635

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

Certificate IGI LG658490635

Diamond specifications and retailer prices

From $1,064 CAD
£598 GBP
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $2,358 CAD at Rare Carat
View at Rare Carat

About this 1.97ct lab-grown radiant diamond

This 1.97ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG658490635 or 658490635. Listed at 2 retailers as of October 29, 2026. 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

1.97
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658490635
Dimensions8.79 × 6.13 × 4.12 mm
L/W Ratio1.43
Culet sizePointed
Top View
8.79 mm6.13 mm1.97 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658490635
Side View
Table 67.0%Crown 46°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $607 CAD|Low: $214 CAD|High: $4,129 CAD|Avg: $1,316 CAD|-28.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
June 11, 2026
Retailer 6$554 CAD
Retailer 1$607 CAD
Retailer 9$679 CAD
Retailer 5$750 CAD
Retailer 2$803 CAD
Retailer 3$990 CAD
Retailer 8$1,098 CAD
Retailer 4$1,500 CAD
Retailer 7$4,073 CAD

66 data points across 9 retailers

2 retailers

B+
Cheapest Retailer
-
$1,064 CAD
£598 GBP
Most Expensive
Rare Carat
658490635
$2,358 CAD
$1,685 USD
View
1 more retailer has this diamond
Prices start from $1,064 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.

B+
1.97ct Radiant
$1,064 CAD