Round|Lab Grown|IGI

1.21ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG811647059

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647059

Diamond specifications and retailer prices

From $1,422 NZD
As of October 28, 2026
16 retailers carry this diamond
Most expensive: $2,089 NZD at MOH London · As of October 21, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811647059 or 811647059. Listed at 16 retailers as of October 28, 2026. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647059
Dimensions6.90 × 6.83 × 4.22 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
6.90 mm6.83 mm1.21 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647059
Side View
Table 56.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $2,089 NZD|Low: $359 NZD|High: $2,102 NZD|Avg: $1,065 NZD|+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
Retailer 13
October 28, 2026
Retailer 10$359 NZD
Retailer 12$445 NZD
Retailer 5$734 NZD
Retailer 8$750 NZD
Retailer 13$770 NZD
Retailer 6$813 NZD
Retailer 11$933 NZD
Retailer 7$1,086 NZD
Retailer 9$1,143 NZD
Retailer 2$1,422 NZD
Retailer 4$1,522 NZD
Retailer 3$1,602 NZD
MOH London$2,089 NZD

23 data points across 13 retailers

16 retailers

Retailer 1
-
$359 NZD
Price last confirmed 9 days ago
Retailer 2
-
$416 NZD
View
Price last confirmed 11 days ago
Retailer 3
-
$445 NZD
View
Price last confirmed 10 days ago
Retailer 4
-
$445 NZD
View
Price last confirmed 12 days ago
Retailer 5
-
$734 NZD
View
Price last confirmed 10 days ago
Retailer 6
-
$750 NZD
View
Price last confirmed 12 days ago
Retailer 7
-
$770 NZD
View
Price last confirmed 10 days ago
Retailer 8
-
$813 NZD
View
Price last confirmed 8 days ago
Retailer 9
-
$933 NZD
View
Price last confirmed 16 days ago
Retailer 10
-
$1,086 NZD
View
Price last confirmed 12 days ago
Retailer 11
-
$1,143 NZD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$1,422 NZD
View
Retailer 13
-
$1,428 NZD
View
Price last confirmed 11 days ago
Retailer 14
-
$1,522 NZD
View
Price last confirmed 10 days ago
Retailer 15
-
$1,634 NZD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG811647059 · Oct 21
$2,089 NZD
£925 GBP
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $1,422 NZD

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.

B
1.21ct Round
$1,422 NZD