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Round|Lab Grown|IGI

1.21ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG544249163

Shape and cutting style on the report: Round brilliant

Certificate IGI LG544249163

Diamond specifications and retailer prices

From $363 USD
As of November 3, 2026
Save $1,579 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,942 USD at MOH London · As of November 3, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG544249163 or 544249163. Listed at 12 retailers as of November 3, 2026, with prices from $363 to $1,942, a $1,579 spread on the same certified stone. MOH London lists it at $1,942. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544249163
Dimensions6.82 × 6.81 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.82 mm6.81 mm1.21 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544249163
Side View
Table 57.5%Crown 35.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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 3
Current: $1,942 USD|Low: $227 USD|High: $3,220 USD|Avg: $856 USD|+54.3%
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
November 2, 2026
Retailer 4$254 USD
Retailer 10$363 USD
Retailer 9$423 USD
Retailer 13$450 USD
Retailer 12$600 USD
Retailer 14$719 USD
Retailer 3$831 USD
Retailer 2$856 USD
Retailer 6$900 USD
Retailer 7$1,210 USD
Retailer 5$1,287 USD
Retailer 8$1,320 USD
MOH London$1,942 USD
Retailer 11$3,220 USD

19 data points across 14 retailers

12 retailers$363 USD to $1,942 USD

A
Cheapest Retailer
-
$363 USD
A
Retailer 2
-
$423 USD
View
Retailer 3
-
$450 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$600 USD
View
B
Retailer 5
-
$719 USD
View
B
Retailer 6
-
$831 USD
View
B
Retailer 7
-
$856 USD
View
B
Retailer 8
-
$1,210 USD
View
B
Retailer 9
-
$1,287 USD
View
B
Retailer 10
-
$1,320 USD
View
Most Expensive
B
MOH London
LG544249163 · Nov 3
$1,942 USD
£1,529 GBP
View
10 more retailers have this diamond
Prices start from $363 USDSave up to $1,579 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
$363 USD