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Marquise|Lab Grown|IGI

1.54ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG781638676

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG781638676

Diamond specifications and retailer prices

From $1,342 AUD
CA$1,306 CAD
As of November 2, 2026
Save $433 AUD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,775 AUD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 1.54ct lab-grown marquise diamond

This 1.54ct 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 LG781638676 or 781638676. Listed at 3 retailers as of November 1, 2026, with prices from $1,342 to $1,775, a $433 spread on the same certified stone. The Diamond Guys lists it at $1,775. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781638676
Dimensions11.43 × 6.02 × 3.88 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.43 mm6.02 mm1.54 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781638676
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.5%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $942 AUD|Low: $271 AUD|High: $3,325 AUD|Avg: $1,344 AUD|+15.3%
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
Retailer 15
The Diamond Guys
August 3, 2026
Retailer 6$610 AUD
Retailer 13$675 AUD
Retailer 11$767 AUD
Retailer 15$893 AUD
Retailer 1$942 AUD
Retailer 4$950 AUD
Retailer 14$1,213 AUD
Retailer 8$1,342 AUD
Retailer 5$1,378 AUD
Retailer 7$1,609 AUD
Retailer 9$1,721 AUD
Retailer 3$1,769 AUD
The Diamond Guys$1,775 AUD
Retailer 10$1,776 AUD
Retailer 12$1,996 AUD
Retailer 2$3,196 AUD

46 data points across 16 retailers

3 retailers$1,342 AUD to $1,775 AUD

B+
Cheapest Retailer
-
$1,342 AUD
CA$1,306 CAD
B
Retailer 2
-
$1,769 AUD
$1,240 USD
View
Most Expensive
B
The Diamond Guys
1952043957 · Nov 1
$1,775 AUD
$1,244 USD
View
2 more retailers have this diamond
Prices start from $1,342 AUDSave up to $433 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+
1.54ct Marquise
$1,342 AUD