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Round|Lab Grown|IGI

1.21ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG783646953

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783646953

Diamond specifications and retailer prices

From $196 USD
As of October 29, 2026
Save $947 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,143 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783646953 or 783646953. Listed at 17 retailers as of October 29, 2026, with prices from $196 to $1,143, a $947 spread on the same certified stone. MOH London lists it at $1,143. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783646953
Dimensions6.92 × 6.89 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.89 mm1.21 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783646953
Side View
Table 55.0%Crown 33.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.8%

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: Oct 29
Current: $1,143 USD|Low: $188 USD|High: $1,151 USD|Avg: $542 USD|-0.6%
MOH London
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
October 31, 2026
Retailer 10$196 USD
Retailer 12$243 USD
Retailer 14$243 USD
Retailer 5$421 USD
Retailer 13$424 USD
Retailer 2$446 USD
Retailer 3$488 USD
Retailer 8$500 USD
Retailer 7$509 USD
Retailer 11$550 USD
Retailer 9$624 USD
Retailer 6$835 USD
Retailer 4$872 USD
MOH London$1,143 USD

35 data points across 14 retailers

17 retailers$196 USD to $1,143 USD

A
Cheapest Retailer
-
$196 USD
A
Retailer 2
-
$227 USD
View
A
Retailer 3
-
$243 USD
View
A
Retailer 4
-
$243 USD
View
A
Retailer 5
-
$421 USD
View
A
Retailer 6
-
$424 USD
View
B+
Retailer 7
-
$446 USD
€425 EUR
View
B+
Retailer 8
-
$488 USD
View
Retailer 9
-
$500 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$509 USD
£401 GBP
View
B+
Retailer 11
-
$550 USD
View
B+
Retailer 12
-
$624 USD
View
Retailer 13
-
$713 USD
View
Price last confirmed 45 days ago
B
Retailer 14
-
$782 USD
View
B
Retailer 15
-
$835 USD
View
B
Retailer 16
-
$890 USD
View
Most Expensive
B
MOH London
LG783646953 · Oct 29
$1,143 USD
£900 GBP
View
16 more retailers have this diamond
Prices start from $196 USDSave up to $947 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
1.21ct Round
$196 USD