Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG843683938

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843683938

Diamond specifications and retailer prices

From $176 USD
As of October 27, 2026
Save $942 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,118 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 LG843683938 or 843683938. Listed at 20 retailers as of October 27, 2026, with prices from $176 to $1,118, a $942 spread on the same certified stone. Reve Diamonds lists it at $1,118. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843683938
Dimensions11.71 × 5.41 × 3.33 mm
L/W Ratio2.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm5.41 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843683938
Side View
Table 61.0%Crown 33.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.6%

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: Oct 27
Current: $391 USD|Low: $176 USD|High: $1,141 USD|Avg: $503 USD|-2.4%
Retailer 1
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Retailer 19
Reve Diamonds
October 29, 2026
Retailer 10$176 USD
Retailer 8$197 USD
Retailer 6$205 USD
Retailer 4$219 USD
Retailer 18$219 USD
Retailer 13$275 USD
Retailer 19$302 USD
Retailer 15$376 USD
Retailer 3$389 USD
Retailer 1$391 USD
Retailer 7$424 USD
Retailer 5$466 USD
Retailer 16$534 USD
Retailer 14$625 USD
Retailer 2$703 USD
Retailer 17$743 USD
Retailer 9$758 USD
Retailer 11$840 USD
Retailer 12$1,029 USD
Reve Diamonds$1,118 USD

17 data points across 20 retailers

20 retailers$176 USD to $1,118 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$197 USD
View
Final sale: no returns
A
Retailer 3
-
$205 USD
View
A
Retailer 4
-
$219 USD
View
A
Retailer 5
-
$219 USD
View
A
Retailer 6
-
$275 USD
£217 GBP
View
B+
Retailer 7
-
$302 USD
View
A
Retailer 8
-
$376 USD
ZAR 6,068 ZAR
View
A
Retailer 9
-
$389 USD
€370 EUR
View
A
Retailer 10
-
$391 USD
£308 GBP
View
A
Retailer 11
-
$424 USD
View
A
Retailer 12
-
$466 USD
View
A
Retailer 13
-
$534 USD
A$821 AUD
View
B+
Retailer 14
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$625 USD
View
B+
Retailer 15
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$703 USD
View
B+
Retailer 16
-
$743 USD
View
B+
Retailer 17
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$758 USD
View
B
Retailer 18
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$840 USD
View
B
Retailer 19
-
$1,029 USD
£810 GBP
View
Most Expensive
B
Reve Diamonds
CDF180EC8 · Oct 28
$1,118 USD
View
19 more retailers have this diamond
Prices start from $176 USDSave up to $942 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
$176 USD