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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG784611845

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784611845

Diamond specifications and retailer prices

From $1,365 AUD
CA$1,329 CAD
As of November 2, 2026
Save $440 AUD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,805 AUD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784611845 or 784611845. Listed at 3 retailers as of November 1, 2026, with prices from $1,365 to $1,805, a $440 spread on the same certified stone. The Diamond Guys lists it at $1,805. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784611845
Dimensions12.27 × 5.95 × 3.75 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.27 mm5.95 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784611845
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $836 AUD|Low: $275 AUD|High: $3,367 AUD|Avg: $1,458 AUD|-10.3%
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
The Diamond Guys
September 6, 2026
Retailer 14$525 AUD
Retailer 6$629 AUD
Retailer 3$698 AUD
Retailer 8$755 AUD
Retailer 9$757 AUD
Retailer 1$836 AUD
Retailer 5$1,230 AUD
Retailer 7$1,317 AUD
Retailer 4$1,365 AUD
Retailer 11$1,713 AUD
Retailer 13$1,771 AUD
The Diamond Guys$1,805 AUD
Retailer 12$1,931 AUD
Retailer 2$2,697 AUD
Retailer 10$3,211 AUD

55 data points across 15 retailers

3 retailers$1,365 AUD to $1,805 AUD

Retailer 1
-
$1,317 AUD
$923 USD
Price last confirmed 67 days ago
B+
Retailer 2
-
$1,365 AUD
CA$1,329 CAD
View
Most Expensive
B
The Diamond Guys
1952043953 · Nov 1
$1,805 AUD
$1,265 USD
View
2 more retailers have this diamond
Prices start from $1,365 AUDSave up to $440 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.

B+
1.55ct Marquise
$1,365 AUD