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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG784639705

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784639705

Diamond specifications and retailer prices

From $1,347 AUD
CA$1,315 CAD
As of October 30, 2026
Save $435 AUD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,782 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 LG784639705 or 784639705. Listed at 2 retailers as of October 30, 2026, with prices from $1,347 to $1,782, a $435 spread on the same certified stone. The Diamond Guys lists it at $1,782. 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 angle37.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784639705
Dimensions11.51 × 6.10 × 3.88 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm6.10 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784639705
Side View
Table 61.0%Crown 37.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $1,347 AUD|Low: $273 AUD|High: $3,331 AUD|Avg: $1,348 AUD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$617 AUD
Retailer 7$680 AUD
Retailer 10$895 AUD
Retailer 5$946 AUD
Retailer 2$952 AUD
Retailer 8$1,216 AUD
Retailer 1$1,347 AUD
Retailer 3$1,382 AUD
Retailer 9$1,713 AUD
The Diamond Guys$1,782 AUD
Retailer 12$1,848 AUD
Retailer 6$2,004 AUD
Retailer 11$3,217 AUD

35 data points across 13 retailers

2 retailers$1,347 AUD to $1,782 AUD

B
Cheapest Retailer
-
$1,347 AUD
CA$1,315 CAD
Most Expensive
B
The Diamond Guys
1952043952 · Nov 1
$1,782 AUD
$1,252 USD
View
1 more retailer has this diamond
Prices start from $1,347 AUDSave up to $435 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
$1,347 AUD