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Marquise|Lab Grown|IGI

1.57ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG797619583

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797619583

Diamond specifications and retailer prices

From $1,324 AUD
CA$1,292 CAD
As of October 30, 2026
Save $441 AUD (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,765 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797619583 or 797619583. Listed at 3 retailers as of October 30, 2026, with prices from $1,324 to $1,765, a $441 spread on the same certified stone. Brilliant Earth lists it at $1,765. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797619583
Dimensions11.59 × 6.07 × 3.91 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.59 mm6.07 mm1.57 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797619583
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 64.4%

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: Oct 30
Current: $1,765 AUD|Low: $699 AUD|High: $2,335 AUD|Avg: $1,335 AUD|-24.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
August 3, 2026
Retailer 5$700 AUD
Retailer 6$907 AUD
Retailer 4$933 AUD
Retailer 9$940 AUD
Retailer 3$1,324 AUD
Retailer 8$1,725 AUD
Retailer 7$1,744 AUD
Retailer 2$1,752 AUD
Brilliant Earth$1,765 AUD
Retailer 10$1,789 AUD

19 data points across 10 retailers

3 retailers$1,324 AUD to $1,765 AUD

B+
Cheapest Retailer
-
$1,324 AUD
CA$1,292 CAD
B
Retailer 2
-
$1,752 AUD
$1,231 USD
View
Most Expensive
B
Brilliant Earth
19861489Y · Oct 31
$1,765 AUD
$1,240 USD
View
2 more retailers have this diamond
Prices start from $1,324 AUDSave up to $441 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+
1.57ct Marquise
$1,324 AUD