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Radiant|Lab Grown|IGI

1.92ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG529261242

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

Certificate IGI LG529261242

Diamond specifications and retailer prices

From $337 AUD
$237 USD
As of October 30, 2026
Save $1,826 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,164 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.92ct lab-grown radiant diamond

This 1.92ct 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 LG529261242 or 529261242. Listed at 19 retailers as of October 30, 2026, with prices from $337 to $2,164, a $1,826 spread on the same certified stone. Brilliant Earth lists it at $2,164. 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

1.92
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529261242
Dimensions8.99 × 6.12 × 4.01 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.99 mm6.12 mm1.92 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529261242
Side View
Table 63.5%Crown 44.2°Girdle: MediumPavilion 32.3°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,164 AUD|Low: $323 AUD|High: $3,730 AUD|Avg: $974 AUD|-42.0%
Brilliant Earth
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
October 30, 2026
Retailer 12$337 AUD
Retailer 6$377 AUD
Retailer 3$391 AUD
Retailer 4$419 AUD
Retailer 13$419 AUD
Retailer 2$591 AUD
Retailer 9$668 AUD
Retailer 7$790 AUD
Retailer 5$799 AUD
Retailer 14$1,344 AUD
Retailer 11$1,348 AUD
Retailer 8$1,683 AUD
Retailer 10$1,787 AUD
Brilliant Earth$2,164 AUD

43 data points across 14 retailers

19 retailers$337 AUD to $2,164 AUD

A
Cheapest Retailer
-
$337 AUD
$237 USD
A
Retailer 2
-
$377 AUD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$391 AUD
$275 USD
View
A
Retailer 4
-
$419 AUD
$294 USD
View
A
Retailer 5
-
$419 AUD
$294 USD
View
A
Retailer 6
-
$474 AUD
HK$2,600 HKD
View
B+
Retailer 7
-
$591 AUD
$415 USD
View
Retailer 8
-
$668 AUD
€447 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$790 AUD
£437 GBP
View
A
Retailer 10
-
$799 AUD
$561 USD
View
B+
Retailer 11
-
$1,078 AUD
$757 USD
View
B+
Retailer 12
-
$1,344 AUD
$944 USD
View
B+
Retailer 13
-
$1,348 AUD
$947 USD
View
B+
Retailer 14
-
$1,349 AUD
SGD 1,281 SGD
View
B+
Retailer 15
-
$1,418 AUD
$996 USD
View
B
Retailer 16
-
$1,683 AUD
£931 GBP
View
Retailer 17
-
$1,787 AUD
$1,255 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$1,866 AUD
$1,311 USD
View
Most Expensive
B
Brilliant Earth
9426736A · Oct 30
$2,164 AUD
$1,520 USD
View
18 more retailers have this diamond
Prices start from $337 AUDSave up to $1,826 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
1.92ct Radiant
$337 AUD