Radiant|Lab Grown|IGI

1.20ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG834616346

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

Certificate IGI LG834616346

Diamond specifications and retailer prices

From $256 USD
As of November 4, 2026
Save $1,030 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,286 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834616346 or 834616346. Listed at 12 retailers as of November 4, 2026, with prices from $256 to $1,286, a $1,030 spread on the same certified stone. Reve Diamonds lists it at $1,286. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834616346
Dimensions5.95 × 5.71 × 3.91 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.95 mm5.71 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834616346
Side View
Table 62.0%Crown 39.8°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 68.5%

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 4
Current: $752 USD|Low: $256 USD|High: $1,286 USD|Avg: $704 USD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 2, 2026
Retailer 4$256 USD
Retailer 11$284 USD
Retailer 10$382 USD
Retailer 7$473 USD
Retailer 5$490 USD
Retailer 3$497 USD
Retailer 9$730 USD
Retailer 1$752 USD
Retailer 8$890 USD
Retailer 12$918 USD
Retailer 2$965 USD
Retailer 6$1,137 USD
Reve Diamonds$1,286 USD

25 data points across 13 retailers

12 retailers$256 USD to $1,286 USD

A
Cheapest Retailer
-
$256 USD
Final sale: no returns
A
Retailer 2
-
$382 USD
View
A
Retailer 3
-
$473 USD
View
A
Retailer 4
-
$490 USD
View
B+
Retailer 5
-
$497 USD
View
Retailer 6
-
$730 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$752 USD
View
B
Retailer 8
-
$890 USD
View
B
Retailer 9
-
$918 USD
View
B
Retailer 10
-
$965 USD
View
B
Retailer 11
-
$1,137 USD
View
Most Expensive
B
Reve Diamonds
D05468931 · Nov 4
$1,286 USD
View
11 more retailers have this diamond
Prices start from $256 USDSave up to $1,030 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
1.20ct Radiant
$256 USD