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Marquise|Lab Grown|IGI

1.55ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG793605115

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793605115

Diamond specifications and retailer prices

From $495 USD
As of November 1, 2026
Save $680 USD (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,175 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG793605115 or 793605115. Listed at 11 retailers as of November 1, 2026, with prices from $495 to $1,175, a $680 spread on the same certified stone. MOH London lists it at $1,175. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793605115
Dimensions12.50 × 6.05 × 3.67 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.50 mm6.05 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793605115
Side View
Table 62.0%Crown 34.8°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

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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 1
Current: $1,175 USD|Low: $307 USD|High: $1,369 USD|Avg: $766 USD|-14.2%
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
November 1, 2026
Retailer 10$307 USD
Retailer 8$495 USD
Retailer 11$500 USD
Retailer 2$506 USD
Retailer 14$537 USD
Retailer 4$542 USD
Retailer 12$592 USD
Retailer 9$798 USD
Retailer 6$922 USD
Retailer 7$945 USD
Retailer 13$990 USD
Retailer 3$1,019 USD
MOH London$1,175 USD
Retailer 5$1,273 USD

31 data points across 14 retailers

11 retailers$495 USD to $1,175 USD

Retailer 1
-
$340 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$495 USD
View
Retailer 3
-
$500 USD
View
Price last confirmed 6 days ago
A
Retailer 4
-
$506 USD
ZAR 8,175 ZAR
View
Retailer 5
-
$592 USD
£467 GBP
View
Price last confirmed 17 days ago
Retailer 6
-
$798 USD
A$1,227 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$922 USD
A$1,419 AUD
View
Price last confirmed 139 days ago
B+
Retailer 8
-
$945 USD
View
Retailer 9
-
$990 USD
View
Price last confirmed 29 days ago
Retailer 10
-
$1,093 USD
View
Price last confirmed 8 days ago
Most Expensive
B+
MOH London
LG793605115 · Nov 1
$1,175 USD
£925 GBP
View
10 more retailers have this diamond
Prices start from $495 USDSave up to $680 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
1.55ct Marquise
$495 USD