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Marquise|Lab Grown|IGI

1.55ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG793608175

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793608175

Diamond specifications and retailer prices

From $378 AUD
$265 USD
As of October 30, 2026
Save $1,298 AUD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,676 AUD 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 LG793608175 or 793608175. Listed at 12 retailers as of October 30, 2026, with prices from $378 to $1,676, a $1,298 spread on the same certified stone. MOH London lists it at $1,676. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793608175
Dimensions12.06 × 5.98 × 3.79 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm5.98 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793608175
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

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: Oct 30
Current: $1,676 AUD|Low: $378 AUD|High: $1,954 AUD|Avg: $1,059 AUD|-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 8$378 AUD
Retailer 9$706 AUD
Retailer 11$713 AUD
Retailer 2$722 AUD
Retailer 14$766 AUD
Retailer 4$773 AUD
Retailer 12$845 AUD
Retailer 6$938 AUD
Retailer 10$1,138 AUD
Retailer 7$1,348 AUD
Retailer 13$1,413 AUD
Retailer 3$1,454 AUD
MOH London$1,676 AUD
Retailer 5$1,816 AUD

32 data points across 14 retailers

12 retailers$378 AUD to $1,676 AUD

A
Cheapest Retailer
-
$378 AUD
$265 USD
Final sale: no returns
Retailer 2
-
$485 AUD
$340 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$706 AUD
$495 USD
View
Retailer 4
-
$713 AUD
$500 USD
View
Price last confirmed 6 days ago
A
Retailer 5
-
$722 AUD
ZAR 8,175 ZAR
View
Retailer 6
-
$845 AUD
£467 GBP
View
Price last confirmed 17 days ago
Retailer 7
-
$938 AUD
View
Price last confirmed 122 days ago
Retailer 8
-
$1,138 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,348 AUD
$945 USD
View
Retailer 10
-
$1,413 AUD
$990 USD
View
Price last confirmed 29 days ago
Retailer 11
-
$1,560 AUD
$1,093 USD
View
Price last confirmed 8 days ago
Most Expensive
B+
MOH London
LG793608175 · Nov 1
$1,676 AUD
£925 GBP
View
11 more retailers have this diamond
Prices start from $378 AUDSave up to $1,298 AUD

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
$378 AUD