Radiant|Lab Grown|GCAL

1.20ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • GCAL 321181341

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

Certificate GCAL 321181341

Diamond specifications and retailer prices

From $204 USD
As of October 30, 2026
Save $916 USD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,120 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 321181341. Listed at 7 retailers as of October 30, 2026, with prices from $204 to $1,120, a $916 spread on the same certified stone. MOH London lists it at $1,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle30.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 321181341
Dimensions7.57 × 5.16 × 3.32 mm
L/W Ratio1.47
Culet sizeNone
Top View
7.57 mm5.16 mm1.20 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 321181341
Side View
Table 62.0%Crown 34.5°Girdle: STK-THKPavilion 30.4°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,120 USD|Low: $196 USD|High: $1,134 USD|Avg: $569 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$204 USD
Retailer 6$237 USD
Retailer 7$329 USD
Retailer 5$437 USD
Retailer 2$817 USD
Retailer 4$899 USD
MOH London$1,120 USD

12 data points across 7 retailers

7 retailers$204 USD to $1,120 USD

A
Cheapest Retailer
-
$204 USD
A
Retailer 2
-
$237 USD
View
A
Retailer 3
-
$329 USD
View
A
Retailer 4
-
$437 USD
View
B
Retailer 5
-
$817 USD
View
B
Retailer 6
-
$899 USD
View
Most Expensive
B
MOH London
321181341 · Nov 1
$1,120 USD
£882 GBP
View
6 more retailers have this diamond
Prices start from $204 USDSave up to $916 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
$204 USD