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1.20ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG837647665

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837647665

Diamond specifications and retailer prices

From $679 NZD
As of November 4, 2026
Save $1,105 NZD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,784 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct 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 LG837647665 or 837647665. Listed at 5 retailers as of November 2, 2026, with prices from $679 to $1,784, a $1,105 spread on the same certified stone. MOH London lists it at $1,784. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837647665
Dimensions6.80 × 6.84 × 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
6.80 mm6.84 mm1.20 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837647665
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.2%

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 4
Current: $1,784 NZD|Low: $679 NZD|High: $1,786 NZD|Avg: $1,037 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3$679 NZD
Retailer 4$706 NZD
Retailer 2$957 NZD
Retailer 5$1,321 NZD
MOH London$1,784 NZD

4 data points across 5 retailers

5 retailers$679 NZD to $1,784 NZD

A
Cheapest Retailer
-
$679 NZD
A
Retailer 2
-
$706 NZD
View
B+
Retailer 3
-
$957 NZD
View
B
Retailer 4
-
$1,321 NZD
View
Most Expensive
B
MOH London
LG837647665 · Nov 2
$1,784 NZD
£790 GBP
View
4 more retailers have this diamond
Prices start from $679 NZDSave up to $1,105 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
1.20ct Round
$679 NZD