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Oval|Lab Grown|IGI

1.21ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG791645959

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG791645959

Diamond specifications and retailer prices

From $213 USD
As of November 3, 2026
Save $840 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,053 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.21ct lab-grown oval diamond

This 1.21ct 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 LG791645959 or 791645959. Listed at 16 retailers as of November 3, 2026, with prices from $213 to $1,053, a $840 spread on the same certified stone. MOH London lists it at $1,053. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791645959
Dimensions8.79 × 5.76 × 3.57 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.79 mm5.76 mm1.21 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791645959
Side View
Table 62.0%Crown 38.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.0%

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 3
Current: $1,053 USD|Low: $213 USD|High: $1,198 USD|Avg: $622 USD|-12.1%
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
Retailer 15
Retailer 16
November 5, 2026
Retailer 13$213 USD
Retailer 16$247 USD
Retailer 14$264 USD
Retailer 8$295 USD
Retailer 2$313 USD
Retailer 6$446 USD
Retailer 5$453 USD
Retailer 12$454 USD
Retailer 9$482 USD
Retailer 4$581 USD
Retailer 10$610 USD
Retailer 11$644 USD
Retailer 15$847 USD
Retailer 3$850 USD
Retailer 7$900 USD
MOH London$1,053 USD

37 data points across 16 retailers

16 retailers$213 USD to $1,053 USD

A
Cheapest Retailer
-
$213 USD
A
Retailer 2
-
$247 USD
View
A
Retailer 3
-
$264 USD
View
Retailer 4
-
$295 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$313 USD
View
A
Retailer 6
-
$446 USD
View
A
Retailer 7
-
$453 USD
View
A
Retailer 8
-
$454 USD
View
A
Retailer 9
-
$482 USD
View
B+
Retailer 10
-
$581 USD
View
B+
Retailer 11
-
$610 USD
View
B+
Retailer 12
-
$644 USD
View
B+
Retailer 13
-
$847 USD
View
B+
Retailer 14
-
$850 USD
View
B
Retailer 15
-
$900 USD
View
Most Expensive
B
MOH London
LG791645959 · Nov 5
$1,053 USD
£829 GBP
View
15 more retailers have this diamond
Prices start from $213 USDSave up to $840 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
1.21ct Oval
$213 USD