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Radiant|Lab Grown|IGI

1.98ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG702549548

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

Certificate IGI LG702549548

Diamond specifications and retailer prices

From £162 GBP
$217 USD
As of October 30, 2026
Save £648 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £810 GBP at MOH London · As of October 29, 2026
View at MOH London

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 LG702549548 or 702549548. Listed at 12 retailers as of October 29, 2026, with prices from £162 to £810, a £648 spread on the same certified stone. MOH London lists it at £810. 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 angle43.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702549548
Dimensions8.65 × 6.14 × 4.17 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
8.65 mm6.14 mm1.98 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702549548
Side View
Table 64.0%Crown 43.8°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £810 GBP|Low: £162 GBP|High: £2,217 GBP|Avg: £612 GBP
MOH London
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 31, 2026
Retailer 10£162 GBP
Retailer 4£188 GBP
Retailer 12£202 GBP
Retailer 11£225 GBP
Retailer 16£229 GBP
Retailer 3£345 GBP
Retailer 5£362 GBP
Retailer 2£373 GBP
Retailer 13£405 GBP
Retailer 15£590 GBP
Retailer 14£646 GBP
Retailer 9£649 GBP
Retailer 6£803 GBP
MOH London£810 GBP
Retailer 7£1,322 GBP
Retailer 8£2,217 GBP

4 data points across 16 retailers

12 retailers£162 GBP to £810 GBP

A
Cheapest Retailer
-
£162 GBP
$217 USD
A
Retailer 2
-
£188 GBP
$252 USD
View
A
Retailer 3
-
£202 GBP
$270 USD
View
A
Retailer 4
-
£225 GBP
View
A
Retailer 5
-
£229 GBP
HK$2,400 HKD
View
B+
Retailer 6
-
£345 GBP
$462 USD
View
A
Retailer 7
-
£373 GBP
View
A
Retailer 8
-
£405 GBP
$542 USD
View
B+
Retailer 9
-
£590 GBP
$791 USD
View
B+
Retailer 10
-
£646 GBP
$866 USD
View
B+
Retailer 11
-
£649 GBP
$870 USD
View
Most Expensive
B
MOH London
LG702549548 · Oct 29
£810 GBP
View
11 more retailers have this diamond
Prices start from £162 GBPSave up to £648 GBP

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
1.98ct Radiant
£162 GBP