Radiant|Lab Grown|IGI

1.25ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG845655079

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

Certificate IGI LG845655079

Diamond specifications and retailer prices

From $328 USD
£258 GBP
As of November 2, 2026
Save $859 USD (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,187 USD at Reve Diamonds · As of November 2, 2026
View at Reve Diamonds

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 LG845655079 or 845655079. Listed at 12 retailers as of November 2, 2026, with prices from $328 to $1,187, a $859 spread on the same certified stone. Reve Diamonds lists it at $1,187. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845655079
Dimensions7.67 × 5.23 × 3.62 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm5.23 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845655079
Side View
Table 61.0%Crown 45.4°Girdle: MediumPavilion 34.8°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
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: Nov 2
Current: $449 USD|Low: $328 USD|High: $1,187 USD|Avg: $673 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 3, 2026
Retailer 9$328 USD
Retailer 10$424 USD
Retailer 6$425 USD
Retailer 2$426 USD
Retailer 1$449 USD
Retailer 8$491 USD
Retailer 7$598 USD
Retailer 5$791 USD
Retailer 11$842 USD
Retailer 3$900 USD
Retailer 4$1,147 USD
Reve Diamonds$1,187 USD

4 data points across 12 retailers

12 retailers$328 USD to $1,187 USD

A
Cheapest Retailer
-
$328 USD
£258 GBP
A
Retailer 2
-
$424 USD
ZAR 6,843 ZAR
View
A
Retailer 3
-
$425 USD
€405 EUR
View
A
Retailer 4
-
$426 USD
View
A
Retailer 5
-
$449 USD
£354 GBP
View
B+
Retailer 6
-
$491 USD
View
B+
Retailer 7
-
$598 USD
A$920 AUD
View
B
Retailer 8
-
$791 USD
View
B
Retailer 9
-
$842 USD
View
B
Retailer 10
-
$900 USD
View
B
Retailer 11
-
$1,147 USD
£903 GBP
View
Most Expensive
B
Reve Diamonds
4B0152AB1 · Nov 2
$1,187 USD
View
11 more retailers have this diamond
Prices start from $328 USDSave up to $859 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
1.25ct Radiant
$328 USD