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 $421 NZD
$237 USD
As of October 30, 2026
Save $2,276 NZD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,697 NZD 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 $421 to $2,697, a $2,276 spread on the same certified stone. Brilliant Earth lists it at $2,697. 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: $2,697 NZD|Low: $403 NZD|High: $4,649 NZD|Avg: $1,190 NZD|-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 31, 2026
Retailer 12$421 NZD
Retailer 6$470 NZD
Retailer 3$488 NZD
Retailer 4$522 NZD
Retailer 13$522 NZD
Retailer 8$736 NZD
Retailer 2$836 NZD
Retailer 7$977 NZD
Retailer 5$995 NZD
Retailer 14$1,675 NZD
Retailer 11$1,680 NZD
Retailer 9$2,098 NZD
Retailer 10$2,227 NZD
Brilliant Earth$2,697 NZD

44 data points across 14 retailers

19 retailers$421 NZD to $2,697 NZD

A
Cheapest Retailer
-
$421 NZD
$237 USD
A
Retailer 2
-
$470 NZD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$488 NZD
$275 USD
View
A
Retailer 4
-
$522 NZD
$294 USD
View
A
Retailer 5
-
$522 NZD
$294 USD
View
A
Retailer 6
-
$590 NZD
HK$2,600 HKD
View
B+
Retailer 7
-
$736 NZD
$415 USD
View
A
Retailer 8
-
$836 NZD
€449 EUR
View
A
Retailer 9
-
$977 NZD
£433 GBP
View
A
Retailer 10
-
$995 NZD
$561 USD
View
B+
Retailer 11
-
$1,343 NZD
$757 USD
View
B+
Retailer 12
-
$1,675 NZD
$944 USD
View
B+
Retailer 13
-
$1,680 NZD
$947 USD
View
B+
Retailer 14
-
$1,682 NZD
SGD 1,281 SGD
View
B+
Retailer 15
-
$1,767 NZD
$996 USD
View
B
Retailer 16
-
$2,098 NZD
£931 GBP
View
Retailer 17
-
$2,227 NZD
$1,255 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$2,326 NZD
$1,311 USD
View
Most Expensive
B
Brilliant Earth
9426736A · Oct 30
$2,697 NZD
$1,520 USD
View
18 more retailers have this diamond
Prices start from $421 NZDSave up to $2,276 NZD

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
$421 NZD