Oval|Lab Grown|IGI

1.20ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG820605672

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG820605672

Diamond specifications and retailer prices

From $288 USD
As of October 28, 2026
Save $793 USD (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,081 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG820605672 or 820605672. Listed at 12 retailers as of October 28, 2026, with prices from $288 to $1,081, a $793 spread on the same certified stone. MOH London lists it at $1,081. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820605672
Dimensions8.73 × 5.88 × 3.69 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.73 mm5.88 mm1.20 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820605672
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: Oct 28
Current: $1,081 USD|Low: $288 USD|High: $19,296 USD|Avg: $1,520 USD|-94.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$288 USD
Retailer 5$328 USD
Retailer 2$346 USD
Retailer 6$354 USD
Retailer 4$434 USD
Retailer 10$468 USD
Retailer 3$686 USD
Retailer 7$755 USD
Retailer 9$998 USD
Retailer 11$1,006 USD
MOH London$1,081 USD

34 data points across 11 retailers

12 retailers$288 USD to $1,081 USD

A
Cheapest Retailer
-
$288 USD
B+
Retailer 2
-
$328 USD
View
A
Retailer 3
-
$346 USD
View
A
Retailer 4
-
$354 USD
View
A
Retailer 5
-
$434 USD
€413 EUR
View
Price last confirmed 10 days ago
A
Retailer 6
-
$468 USD
£369 GBP
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$686 USD
A$1,056 AUD
View
B+
Retailer 8
-
$755 USD
CA$1,049 CAD
View
B+
Retailer 9
-
$800 USD
View
B
Retailer 10
-
$998 USD
View
B
Retailer 11
-
$1,006 USD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG820605672 · Oct 29
$1,081 USD
£851 GBP
View
11 more retailers have this diamond
Prices start from $288 USDSave up to $793 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 Oval
$288 USD