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Round|Lab Grown|IGI

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 €342 EUR
$382 USD
As of November 1, 2026
Save €556 EUR (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €898 EUR at MOH London · As of November 1, 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 1, 2026, with prices from €342 to €898, a €556 spread on the same certified stone. MOH London lists it at €898. 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
Color
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 1
Current: €898 EUR|Low: €342 EUR|High: €899 EUR|Avg: €522 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3€342 EUR
Retailer 4€355 EUR
Retailer 2€482 EUR
Retailer 5€666 EUR
MOH London€898 EUR

4 data points across 5 retailers

5 retailers€342 EUR to €898 EUR

A
Cheapest Retailer
-
€342 EUR
$382 USD
A
Retailer 2
-
€355 EUR
$397 USD
View
B+
Retailer 3
-
€482 EUR
$538 USD
View
B
Retailer 4
-
€666 EUR
$744 USD
View
Most Expensive
B
MOH London
LG837647665 · Nov 1
€898 EUR
£790 GBP
View
4 more retailers have this diamond
Prices start from €342 EURSave up to €556 EUR

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
€342 EUR