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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG840635857

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840635857

Diamond specifications and retailer prices

From $364 AUD
As of November 4, 2026
Save $1,614 AUD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,978 AUD at With Clarity · As of November 5, 2026
View at With Clarity

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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840635857 or 840635857. Listed at 14 retailers as of November 4, 2026, with prices from $364 to $1,978, a $1,614 spread on the same certified stone. With Clarity lists it at $1,978. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635857
Dimensions12.44 × 5.97 × 3.60 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.44 mm5.97 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635857
Side View
Table 61.0%Crown 34.5°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.3%

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: Nov 4
Current: $1,648 AUD|Low: $364 AUD|High: $2,058 AUD|Avg: $1,231 AUD|-10.8%
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
With Clarity
November 5, 2026
Retailer 7$364 AUD
Retailer 10$423 AUD
Retailer 6$527 AUD
Retailer 3$759 AUD
Retailer 4$946 AUD
Retailer 12$950 AUD
Retailer 2$993 AUD
Retailer 11$1,079 AUD
Retailer 9$1,390 AUD
Retailer 8$1,454 AUD
Retailer 1$1,648 AUD
Retailer 13$1,848 AUD
Retailer 5$1,934 AUD
With Clarity$1,978 AUD

31 data points across 14 retailers

14 retailers$364 AUD to $1,978 AUD

A
Cheapest Retailer
-
$364 AUD
A
Retailer 2
-
$423 AUD
View
A
Retailer 3
-
$527 AUD
View
Retailer 4
-
$759 AUD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$946 AUD
View
B+
Retailer 6
-
$950 AUD
View
B+
Retailer 7
-
$993 AUD
View
B+
Retailer 8
-
$1,079 AUD
View
B+
Retailer 9
-
$1,390 AUD
View
B+
Retailer 10
-
$1,454 AUD
View
B
Retailer 11
-
$1,648 AUD
View
B
Retailer 12
-
$1,848 AUD
View
Retailer 13
-
$1,934 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
With Clarity
840635857 · Nov 5
$1,978 AUD
$1,385 USD
View
13 more retailers have this diamond
Prices start from $364 AUDSave up to $1,614 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
$364 AUD