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Marquise|Lab Grown|IGI

1.22ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG811679778

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811679778

Diamond specifications and retailer prices

From $197 USD
As of November 4, 2026
Save $945 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,142 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise 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 LG811679778 or 811679778. Listed at 17 retailers as of November 4, 2026, with prices from $197 to $1,142, a $945 spread on the same certified stone. MOH London lists it at $1,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle43.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811679778
Dimensions10.72 × 5.53 × 3.74 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.72 mm5.53 mm1.22 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811679778
Side View
Table 58.0%Crown 32.2°Girdle: MED-STKPavilion 43.7°Culet: NoneDepth 67.6%

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 4
Current: $1,142 USD|Low: $190 USD|High: $1,162 USD|Avg: $542 USD|-0.3%
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 16$197 USD
Retailer 10$229 USD
Retailer 5$245 USD
Retailer 7$247 USD
Retailer 11$422 USD
Retailer 3$426 USD
Retailer 6$433 USD
Retailer 2$443 USD
Retailer 14$446 USD
Retailer 15$490 USD
Retailer 9$597 USD
Retailer 8$675 USD
Retailer 12$787 USD
Retailer 13$790 USD
Retailer 4$840 USD
MOH London$1,142 USD

45 data points across 16 retailers

17 retailers$197 USD to $1,142 USD

A
Cheapest Retailer
-
$197 USD
A
Retailer 2
-
$229 USD
View
A
Retailer 3
-
$245 USD
View
Retailer 4
-
$247 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$422 USD
View
A
Retailer 6
-
$426 USD
View
Retailer 7
-
$433 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$443 USD
View
A
Retailer 9
-
$446 USD
View
A
Retailer 10
-
$490 USD
View
B+
Retailer 11
-
$597 USD
View
B+
Retailer 12
-
$675 USD
View
B+
Retailer 13
-
$787 USD
View
B+
Retailer 14
-
$790 USD
View
B
Retailer 15
-
$840 USD
View
B
Retailer 16
-
$850 USD
View
Most Expensive
B
MOH London
LG811679778 · Nov 5
$1,142 USD
£899 GBP
View
16 more retailers have this diamond
Prices start from $197 USDSave up to $945 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
1.22ct Marquise
$197 USD