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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 $237 USD
As of October 27, 2026
Save $2,383 USD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,620 USD at Brilliant Earth · As of October 29, 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 27, 2026, with prices from $237 to $2,620, a $2,383 spread on the same certified stone. Brilliant Earth lists it at $2,620. 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
Color
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 27
Current: $2,620 USD|Low: $227 USD|High: $2,620 USD|Avg: $682 USD
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 29, 2026
Retailer 11$237 USD
Retailer 5$265 USD
Retailer 14$275 USD
Retailer 3$294 USD
Retailer 12$294 USD
Retailer 6$415 USD
Retailer 8$469 USD
Retailer 2$555 USD
Retailer 4$561 USD
Retailer 13$944 USD
Retailer 10$947 USD
Retailer 7$1,182 USD
Retailer 9$1,255 USD
Brilliant Earth$2,620 USD

43 data points across 14 retailers

19 retailers$237 USD to $2,620 USD

A
Cheapest Retailer
-
$237 USD
A
Retailer 2
-
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$275 USD
View
A
Retailer 4
-
$294 USD
View
A
Retailer 5
-
$294 USD
View
A
Retailer 6
-
$333 USD
HK$2,600 HKD
View
B+
Retailer 7
-
$415 USD
View
A
Retailer 8
-
$469 USD
€447 EUR
View
A
Retailer 9
-
$555 USD
£437 GBP
View
A
Retailer 10
-
$561 USD
View
B+
Retailer 11
-
$757 USD
View
B+
Retailer 12
-
$944 USD
View
B+
Retailer 13
-
$947 USD
View
B+
Retailer 14
-
$948 USD
SGD 1,281 SGD
View
B+
Retailer 15
-
$996 USD
View
B
Retailer 16
-
$1,182 USD
£931 GBP
View
Retailer 17
-
$1,255 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,311 USD
View
Most Expensive
B
Brilliant Earth
9426736A · Oct 29
$2,620 USD
View
18 more retailers have this diamond
Prices start from $237 USDSave up to $2,383 USD

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
$237 USD