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Marquise|Lab Grown|IGI

1.71ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG811683879

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811683879

Diamond specifications and retailer prices

From $621 AUD
$435 USD
As of November 1, 2026
Save $1,226 AUD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,847 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.71ct lab-grown marquise diamond

This 1.71ct 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 LG811683879 or 811683879. Listed at 7 retailers as of November 1, 2026, with prices from $621 to $1,847, a $1,226 spread on the same certified stone. MOH London lists it at $1,847. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811683879
Dimensions12.59 × 6.05 × 3.91 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.59 mm6.05 mm1.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811683879
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.6%

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: $1,847 AUD|Low: $621 AUD|High: $1,868 AUD|Avg: $1,117 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 3$621 AUD
Retailer 5$863 AUD
Retailer 2$881 AUD
Retailer 4$955 AUD
Retailer 6$1,554 AUD
MOH London$1,847 AUD

41 data points across 6 retailers

7 retailers$621 AUD to $1,847 AUD

B+
Cheapest Retailer
-
$621 AUD
$435 USD
A
Retailer 2
-
$863 AUD
$605 USD
View
A
Retailer 3
-
$881 AUD
£486 GBP
View
A
Retailer 4
-
$955 AUD
$669 USD
View
B+
Retailer 5
-
$1,554 AUD
$1,089 USD
View
B
Retailer 6
-
$1,705 AUD
$1,195 USD
View
Most Expensive
B+
MOH London
LG811683879 · Nov 2
$1,847 AUD
£1,019 GBP
View
6 more retailers have this diamond
Prices start from $621 AUDSave up to $1,226 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
1.71ct Marquise
$621 AUD