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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 $309 AUD
$217 USD
As of October 30, 2026
Save $1,230 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,539 AUD at MOH London · As of November 1, 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 13 retailers as of October 30, 2026, with prices from $309 to $1,539, a $1,230 spread on the same certified stone. MOH London lists it at $1,539. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,539 AUD|Low: $309 AUD|High: $4,228 AUD|Avg: $1,158 AUD|-0.5%
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
November 1, 2026
Retailer 12$309 AUD
Retailer 5$359 AUD
Retailer 13$384 AUD
Retailer 2$427 AUD
Retailer 3$437 AUD
Retailer 10$643 AUD
Retailer 4$658 AUD
Retailer 9$712 AUD
Retailer 14$772 AUD
Retailer 16$1,126 AUD
Retailer 15$1,233 AUD
Retailer 11$1,239 AUD
Retailer 6$1,532 AUD
MOH London$1,539 AUD
Retailer 7$2,521 AUD
Retailer 8$4,228 AUD

5 data points across 16 retailers

13 retailers$309 AUD to $1,539 AUD

A
Cheapest Retailer
-
$309 AUD
$217 USD
A
Retailer 2
-
$359 AUD
$252 USD
View
A
Retailer 3
-
$384 AUD
$270 USD
View
A
Retailer 4
-
$427 AUD
£236 GBP
View
A
Retailer 5
-
$437 AUD
HK$2,400 HKD
View
A
Retailer 6
-
$643 AUD
€430 EUR
View
B+
Retailer 7
-
$658 AUD
$462 USD
View
A
Retailer 8
-
$712 AUD
£394 GBP
View
A
Retailer 9
-
$772 AUD
$542 USD
View
B+
Retailer 10
-
$1,126 AUD
$791 USD
View
B+
Retailer 11
-
$1,233 AUD
$866 USD
View
B+
Retailer 12
-
$1,239 AUD
$870 USD
View
Most Expensive
B
MOH London
LG702549548 · Nov 1
$1,539 AUD
£851 GBP
View
12 more retailers have this diamond
Prices start from $309 AUDSave up to $1,230 AUD

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
$309 AUD