Round|Lab Grown|IGI

1.20ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG821624882

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821624882

Diamond specifications and retailer prices

From $168 USD
As of November 1, 2026
Save $432 USD (72%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $611 USD at Friendly Diamonds · As of September 16, 2026
View at Friendly Diamonds

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 LG821624882 or 821624882. Listed at 4 retailers as of October 31, 2026, with a 257% 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 angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821624882
Dimensions6.73 × 6.80 × 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
6.73 mm6.80 mm1.20 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821624882
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $611 USD|Low: $168 USD|High: $694 USD|Avg: $459 USD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$168 USD
Retailer 6$332 USD
Retailer 8$334 USD
Retailer 2$335 USD
Retailer 7$393 USD
Retailer 5$478 USD
Retailer 4$600 USD
Friendly Diamonds$611 USD
Retailer 9$694 USD

36 data points across 9 retailers

4 retailers$168 USD to $600 USD

A
Cheapest Retailer
-
$168 USD
Final sale: no returns
A
Retailer 2
-
$335 USD
£264 GBP
View
B
Retailer 3
-
$600 USD
View
Most Expensive
Friendly Diamonds
5930657 · Sep 16
$611 USD
View
Price last confirmed 46 days ago
3 more retailers have this diamond
Prices start from $168 USDSave up to $432 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
$168 USD