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Round|Lab Grown|IGI

1.20ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG749574918

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749574918

Diamond specifications and retailer prices

From $200 USD
As of November 1, 2026
Save $711 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,162 USD at MOH London · As of October 25, 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 LG749574918 or 749574918. Listed at 18 retailers as of November 1, 2026, with a 356% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749574918
Dimensions6.82 × 6.77 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.82 mm6.77 mm1.20 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749574918
Side View
Table 60.0%Crown 33.9°Girdle: Slightly ThickPavilion 40.9°Culet: NoneDepth 61.2%

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 1
Current: $1,162 USD|Low: $192 USD|High: $1,175 USD|Avg: $555 USD|+0.1%
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 1, 2026
Retailer 11$200 USD
Retailer 13$248 USD
Retailer 5$406 USD
Retailer 2$428 USD
Retailer 14$431 USD
Retailer 7$454 USD
Retailer 3$492 USD
Retailer 9$520 USD
Retailer 8$606 USD
Retailer 12$610 USD
Retailer 10$638 USD
Retailer 6$665 USD
Retailer 4$893 USD
MOH London$1,162 USD

27 data points across 14 retailers

18 retailers$200 USD to $911 USD

A
Cheapest Retailer
-
$200 USD
A
Retailer 2
-
$232 USD
View
A
Retailer 3
-
$248 USD
View
Retailer 4
-
$248 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$406 USD
View
A
Retailer 6
-
$428 USD
ZAR 6,921 ZAR
View
A
Retailer 7
-
$431 USD
View
B+
Retailer 8
-
$454 USD
€432 EUR
View
B+
Retailer 9
-
$492 USD
View
B+
Retailer 10
-
$520 USD
View
B+
Retailer 11
-
$606 USD
A$933 AUD
View
B+
Retailer 12
-
$610 USD
View
B+
Retailer 13
-
$638 USD
View
Retailer 14
-
$728 USD
View
Price last confirmed 46 days ago
B
Retailer 15
-
$798 USD
View
B
Retailer 16
-
$851 USD
View
B
Retailer 17
-
$911 USD
View
Most Expensive
MOH London
LG749574918 · Oct 25
$1,162 USD
£915 GBP
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from $200 USDSave up to $711 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
1.20ct Round
$200 USD