Radiant|Lab Grown|IGI

1.25ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG820604953

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

Certificate IGI LG820604953

Diamond specifications and retailer prices

From $210 USD
As of November 1, 2026
Save $1,500 USD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,710 USD at Brilliant Earth · As of October 31, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG820604953 or 820604953. Listed at 16 retailers as of October 31, 2026, with prices from $210 to $1,710, a $1,500 spread on the same certified stone. Brilliant Earth lists it at $1,710. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820604953
Dimensions7.34 × 5.22 × 3.61 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm5.22 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820604953
Side View
Table 68.0%Crown 47.9°Girdle: MED-STKPavilion 37.8°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 1
Current: $1,710 USD|Low: $210 USD|High: $1,940 USD|Avg: $816 USD|-6.0%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 16$210 USD
Retailer 11$218 USD
Retailer 13$315 USD
Retailer 2$401 USD
Retailer 9$422 USD
Retailer 4$440 USD
Retailer 7$584 USD
Retailer 15$608 USD
Retailer 14$754 USD
Retailer 3$761 USD
Retailer 10$780 USD
Retailer 12$801 USD
Retailer 8$951 USD
Retailer 5$1,070 USD
Retailer 6$1,115 USD
Brilliant Earth$1,710 USD

34 data points across 16 retailers

16 retailers$210 USD to $1,710 USD

A
Cheapest Retailer
-
$210 USD
Final sale: no returns
A
Retailer 2
-
$218 USD
View
B+
Retailer 3
-
$315 USD
View
A
Retailer 4
-
$401 USD
ZAR 6,484 ZAR
View
A
Retailer 5
-
$422 USD
£332 GBP
View
A
Retailer 6
-
$440 USD
€419 EUR
View
Retailer 7
-
$584 USD
A$898 AUD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$608 USD
View
B+
Retailer 9
-
$754 USD
View
B+
Retailer 10
-
$761 USD
SGD 1,029 SGD
View
B+
Retailer 11
-
$780 USD
View
B+
Retailer 12
-
$801 USD
View
Retailer 13
-
$951 USD
A$1,463 AUD
View
Price last confirmed 24 days ago
Retailer 14
-
$1,070 USD
View
Price last confirmed 14 days ago
Retailer 15
-
$1,115 USD
£878 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
20857151A · Oct 31
$1,710 USD
View
15 more retailers have this diamond
Prices start from $210 USDSave up to $1,500 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
$210 USD