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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG802628607

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802628607

Diamond specifications and retailer prices

From $368 AUD
$258 USD
As of November 1, 2026
Save $1,230 AUD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,598 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG802628607 or 802628607. Listed at 4 retailers as of November 1, 2026, with prices from $368 to $1,598, a $1,230 spread on the same certified stone. Brilliant Earth lists it at $1,598. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802628607
Dimensions11.84 × 5.90 × 3.82 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm5.90 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802628607
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.7%

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 1
Current: $1,598 AUD|Low: $368 AUD|High: $2,040 AUD|Avg: $1,089 AUD|-21.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4$368 AUD
Retailer 8$683 AUD
Retailer 9$687 AUD
Retailer 7$726 AUD
Retailer 5$763 AUD
Retailer 2$788 AUD
Retailer 11$1,217 AUD
Retailer 10$1,317 AUD
Retailer 6$1,443 AUD
Brilliant Earth$1,598 AUD
Retailer 3$1,785 AUD

35 data points across 11 retailers

4 retailers$368 AUD to $1,598 AUD

A
Cheapest Retailer
-
$368 AUD
$258 USD
Final sale: no returns
A
Retailer 2
-
$788 AUD
£435 GBP
View
Retailer 3
-
$1,317 AUD
$923 USD
View
Price last confirmed 78 days ago
Most Expensive
B+
Brilliant Earth
19921177A · Nov 2
$1,598 AUD
$1,120 USD
View
3 more retailers have this diamond
Prices start from $368 AUDSave up to $1,230 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
$368 AUD