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Marquise|Lab Grown|IGI

1.22ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG655442471

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG655442471

Diamond specifications and retailer prices

From $333 USD
As of October 31, 2026
Save $904 USD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,237 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG655442471 or 655442471. Listed at 11 retailers as of October 31, 2026, with prices from $333 to $1,237, a $904 spread on the same certified stone. Taylor and Hart lists it at $1,237. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655442471
Dimensions10.72 × 5.63 × 3.59 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.72 mm5.63 mm1.22 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655442471
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.8%

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: Oct 31
Current: $651 USD|Low: $333 USD|High: $1,507 USD|Avg: $859 USD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 1, 2026
Retailer 11$333 USD
Retailer 8$370 USD
Retailer 6$469 USD
Retailer 2$478 USD
Retailer 4$525 USD
Retailer 10$606 USD
Retailer 1$651 USD
Retailer 13$693 USD
Retailer 5$987 USD
Retailer 7$1,038 USD
Taylor and Hart$1,237 USD
Retailer 3$1,448 USD
Retailer 9$1,500 USD
Retailer 12$1,507 USD

17 data points across 14 retailers

11 retailers$333 USD to $1,237 USD

Retailer 1
-
$286 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$333 USD
View
Final sale: no returns
Retailer 3
-
$370 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$478 USD
View
Retailer 5
-
$525 USD
View
B+
Retailer 6
-
$606 USD
View
B+
Retailer 7
-
$651 USD
£512 GBP
View
Retailer 8
-
$693 USD
View
Retailer 9
-
$1,038 USD
View
Price last confirmed 24 days ago
Retailer 10
-
$1,189 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Taylor and Hart
M3J5UTJ · Oct 31
$1,237 USD
View
10 more retailers have this diamond
Prices start from $333 USDSave up to $904 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
$333 USD