Radiant|Lab Grown|IGI

1.25ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG805667588

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

Certificate IGI LG805667588

Diamond specifications and retailer prices

From $268 USD
As of October 27, 2026
Save $1,462 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,730 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 LG805667588 or 805667588. Listed at 20 retailers as of October 27, 2026, with prices from $268 to $1,730, a $1,462 spread on the same certified stone. Brilliant Earth lists it at $1,730. 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 angle23.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805667588
Dimensions7.76 × 5.21 × 3.55 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.21 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805667588
Side View
Table 66.0%Crown 23.8°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,730 USD|Low: $258 USD|High: $1,790 USD|Avg: $656 USD|-3.4%
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 2, 2026
Retailer 15$268 USD
Retailer 8$300 USD
Retailer 6$311 USD
Retailer 5$333 USD
Retailer 16$333 USD
Retailer 12$490 USD
Retailer 11$522 USD
Retailer 4$553 USD
Retailer 2$574 USD
Retailer 10$638 USD
Retailer 7$659 USD
Retailer 13$810 USD
Retailer 14$1,022 USD
Retailer 3$1,070 USD
Retailer 9$1,334 USD
Brilliant Earth$1,730 USD

44 data points across 16 retailers

20 retailers$268 USD to $1,730 USD

A
Cheapest Retailer
-
$268 USD
A
Retailer 2
-
$300 USD
View
Final sale: no returns
A
Retailer 3
-
$311 USD
View
Retailer 4
-
$328 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$333 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$333 USD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$522 USD
€497 EUR
View
B+
Retailer 9
-
$553 USD
View
B+
Retailer 10
-
$574 USD
ZAR 9,267 ZAR
View
B+
Retailer 11
-
$636 USD
View
B+
Retailer 12
-
$638 USD
£502 GBP
View
B+
Retailer 13
-
$659 USD
View
B+
Retailer 14
-
$810 USD
A$1,246 AUD
View
B
Retailer 15
-
$1,022 USD
View
B
Retailer 16
-
$1,070 USD
View
B
Retailer 17
-
$1,121 USD
View
B
Retailer 18
-
$1,334 USD
£1,050 GBP
View
B
Retailer 19
-
$1,412 USD
View
Most Expensive
B
Brilliant Earth
20664929A · Oct 31
$1,730 USD
View
19 more retailers have this diamond
Prices start from $268 USDSave up to $1,462 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
$268 USD