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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 $966 SGD
£595 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: $966 SGD 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 31, 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
Colour
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 31
Current: $547 SGD|Low: $194 SGD|High: $3,797 SGD|Avg: $1,180 SGD|-28.3%
Retailer 1
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
June 11, 2026
Retailer 6$503 SGD
Retailer 1$547 SGD
Retailer 9$614 SGD
Retailer 4$661 SGD
Retailer 2$730 SGD
Retailer 3$894 SGD
Retailer 8$982 SGD
Retailer 5$1,382 SGD
Retailer 7$3,746 SGD

69 data points across 9 retailers

1 retailer

B
Diamond Quarter
1.98SI1DLG634B81N · Oct 31
$966 SGD
£595 GBP
View

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
$966 SGD