Round|Lab Grown|IGI

1.21ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG811646784

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646784

Diamond specifications and retailer prices

From $202 USD
As of November 1, 2026
Save $973 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,175 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 LG811646784 or 811646784. Listed at 16 retailers as of October 29, 2026, with prices from $202 to $1,175, a $973 spread on the same certified stone. MOH London lists it at $1,175. 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 angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646784
Dimensions6.84 × 6.77 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.77 mm1.21 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646784
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

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: $1,175 USD|Low: $194 USD|High: $1,182 USD|Avg: $577 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7$202 USD
Retailer 9$250 USD
Retailer 3$423 USD
Retailer 10$433 USD
Retailer 2$458 USD
Retailer 11$494 USD
Retailer 5$500 USD
Retailer 8$550 USD
Retailer 6$643 USD
Retailer 4$857 USD
Retailer 12$901 USD
MOH London$1,175 USD

22 data points across 12 retailers

16 retailers$202 USD to $1,175 USD

A
Cheapest Retailer
-
$202 USD
A
Retailer 2
-
$234 USD
View
Retailer 3
-
$250 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$250 USD
View
A
Retailer 5
-
$423 USD
View
A
Retailer 6
-
$433 USD
View
B+
Retailer 7
-
$458 USD
€436 EUR
View
B+
Retailer 8
-
$494 USD
View
Retailer 9
-
$500 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$550 USD
View
B+
Retailer 11
-
$643 USD
View
Retailer 12
-
$733 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$803 USD
View
B
Retailer 14
-
$857 USD
View
B
Retailer 15
-
$919 USD
View
Most Expensive
B
MOH London
LG811646784 · Oct 29
$1,175 USD
£925 GBP
View
15 more retailers have this diamond
Prices start from $202 USDSave up to $973 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
$202 USD