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Radiant|Lab Grown|IGI

1.98ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG651489363

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

Certificate IGI LG651489363

Diamond specifications and retailer prices

From $1,056 CAD
£595 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,056 CAD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.98ct lab-grown radiant diamond

This 1.98ct 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 LG651489363 or 651489363. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.98
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651489363
Dimensions8.75 × 6.23 × 4.22 mm
L/W Ratio1.40
Culet sizePointed
Top View
8.75 mm6.23 mm1.98 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651489363
Side View
Table 68.0%Crown 46.1°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 67.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $598 CAD|Low: $212 CAD|High: $4,149 CAD|Avg: $1,290 CAD|-28.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
June 11, 2026
Retailer 6$550 CAD
Retailer 1$598 CAD
Retailer 9$671 CAD
Retailer 4$722 CAD
Retailer 2$798 CAD
Retailer 3$976 CAD
Retailer 8$1,073 CAD
Retailer 5$1,510 CAD
Retailer 7$4,093 CAD

69 data points across 9 retailers

1 retailer

B
Diamond Quarter
1.98SI1DLG634B81N · Oct 29
$1,056 CAD
£595 GBP
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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
1.98ct Radiant
$1,056 CAD