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Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG784606281

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784606281

Diamond specifications and retailer prices

From $244 USD
As of October 28, 2026
Save $1,150 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,394 USD at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 1.2ct lab-grown marquise diamond

This 1.2ct 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 LG784606281 or 784606281. Listed at 12 retailers as of October 28, 2026, with prices from $244 to $1,394, a $1,150 spread on the same certified stone. Taylor and Hart lists it at $1,394. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784606281
Dimensions10.83 × 5.62 × 3.45 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.83 mm5.62 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784606281
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.4%

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: $501 USD|Low: $173 USD|High: $1,394 USD|Avg: $698 USD|+4.2%
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
Retailer 14
Taylor and Hart
October 29, 2026
Retailer 14$244 USD
Retailer 2$439 USD
Retailer 13$464 USD
Retailer 7$465 USD
Retailer 10$492 USD
Retailer 1$501 USD
Retailer 5$503 USD
Retailer 3$544 USD
Retailer 6$638 USD
Retailer 8$662 USD
Retailer 12$873 USD
Retailer 11$1,010 USD
Retailer 9$1,086 USD
Retailer 4$1,150 USD
Taylor and Hart$1,394 USD

38 data points across 15 retailers

12 retailers$244 USD to $1,394 USD

A
Cheapest Retailer
-
$244 USD
Final sale: no returns
A
Retailer 2
-
$439 USD
View
A
Retailer 3
-
$464 USD
View
A
Retailer 4
-
$465 USD
ZAR 7,511 ZAR
View
A
Retailer 5
-
$486 USD
£383 GBP
View
A
Retailer 6
-
$492 USD
€469 EUR
View
A
Retailer 7
-
$501 USD
£394 GBP
View
B+
Retailer 8
-
$662 USD
A$1,018 AUD
View
B
Retailer 9
-
$873 USD
View
B
Retailer 10
-
$1,010 USD
View
B
Retailer 11
-
$1,086 USD
£855 GBP
View
Most Expensive
B
Taylor and Hart
OWG9QD9 · Oct 29
$1,394 USD
View
11 more retailers have this diamond
Prices start from $244 USDSave up to $1,150 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 Marquise
$244 USD