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Round|Lab Grown|IGI

1.21ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG811647073

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647073

Diamond specifications and retailer prices

From $359 NZD
As of November 3, 2026
Save $1,718 NZD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,077 NZD at MOH London · As of November 2, 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 LG811647073 or 811647073. Listed at 17 retailers as of November 2, 2026, with prices from $359 to $2,077, a $1,718 spread on the same certified stone. MOH London lists it at $2,077. 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°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647073
Dimensions6.92 × 6.86 × 4.19 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
6.92 mm6.86 mm1.21 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647073
Side View
Table 56.0%Crown 33°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.7%

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: $2,077 NZD|Low: $359 NZD|High: $2,102 NZD|Avg: $1,056 NZD
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
November 4, 2026
Retailer 10$359 NZD
Retailer 12$445 NZD
Retailer 4$734 NZD
Retailer 9$766 NZD
Retailer 13$770 NZD
Retailer 8$814 NZD
Retailer 2$916 NZD
Retailer 11$1,067 NZD
Retailer 7$1,083 NZD
Retailer 6$1,433 NZD
Retailer 5$1,522 NZD
Retailer 3$1,602 NZD
MOH London$2,077 NZD

29 data points across 13 retailers

17 retailers$359 NZD to $2,077 NZD

A
Cheapest Retailer
-
$359 NZD
A
Retailer 2
-
$416 NZD
View
A
Retailer 3
-
$445 NZD
View
Retailer 4
-
$445 NZD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$734 NZD
View
A
Retailer 6
-
$766 NZD
View
A
Retailer 7
-
$770 NZD
View
B+
Retailer 8
-
$814 NZD
View
B+
Retailer 9
-
$916 NZD
View
B+
Retailer 10
-
$1,067 NZD
View
B+
Retailer 11
-
$1,083 NZD
View
B+
Retailer 12
-
$1,156 NZD
View
B
Retailer 13
-
$1,428 NZD
View
B
Retailer 14
-
$1,433 NZD
View
B
Retailer 15
-
$1,522 NZD
View
B
Retailer 16
-
$1,634 NZD
View
Most Expensive
B
MOH London
LG811647073 · Nov 2
$2,077 NZD
£920 GBP
View
16 more retailers have this diamond
Prices start from $359 NZDSave up to $1,718 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.

A
1.21ct Round
$359 NZD