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Radiant|Lab Grown|IGI

1.25ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG843661217

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

Certificate IGI LG843661217

Diamond specifications and retailer prices

From $582 NZD
£258 GBP
As of November 2, 2026
Save $1,586 NZD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,168 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843661217 or 843661217. Listed at 11 retailers as of November 2, 2026, with prices from $582 to $2,168, a $1,586 spread on the same certified stone. Brilliant Earth lists it at $2,168. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843661217
Dimensions7.45 × 5.30 × 3.67 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm5.30 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843661217
Side View
Table 65.0%Crown 45°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 69.2%

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: Nov 2
Current: $1,406 NZD|Low: $582 NZD|High: $2,109 NZD|Avg: $1,209 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$582 NZD
Retailer 3$756 NZD
Retailer 10$757 NZD
Retailer 7$798 NZD
Retailer 8$873 NZD
Retailer 4$1,063 NZD
Retailer 1$1,406 NZD
Retailer 2$1,497 NZD
Retailer 9$2,038 NZD
Retailer 6$2,109 NZD

3 data points across 10 retailers

11 retailers$582 NZD to $2,168 NZD

A
Cheapest Retailer
-
$582 NZD
£258 GBP
A
Retailer 2
-
$756 NZD
€405 EUR
View
A
Retailer 3
-
$757 NZD
$426 USD
View
A
Retailer 4
-
$798 NZD
£354 GBP
View
B+
Retailer 5
-
$873 NZD
$491 USD
View
B+
Retailer 6
-
$1,063 NZD
A$920 AUD
View
B
Retailer 7
-
$1,406 NZD
$791 USD
View
B
Retailer 8
-
$1,497 NZD
$842 USD
View
B
Retailer 9
-
$2,038 NZD
£903 GBP
View
B
Retailer 10
-
$2,109 NZD
$1,187 USD
View
Most Expensive
B
Brilliant Earth
22394787A · Nov 2
$2,168 NZD
$1,220 USD
View
10 more retailers have this diamond
Prices start from $582 NZDSave up to $1,586 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
1.25ct Radiant
$582 NZD