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Marquise|Lab Grown|IGI

1.65ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG830636393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830636393

Diamond specifications and retailer prices

From $366 AUD
$257 USD
As of October 30, 2026
Save $1,584 AUD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,950 AUD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.65ct lab-grown marquise diamond

This 1.65ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830636393 or 830636393. Listed at 13 retailers as of October 30, 2026, with prices from $366 to $1,950, a $1,584 spread on the same certified stone. With Clarity lists it at $1,950. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830636393
Dimensions11.62 × 6.17 × 3.92 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.62 mm6.17 mm1.65 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830636393
Side View
Table 62.0%Crown 38.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.5%

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: Oct 30
Current: $532 AUD|Low: $366 AUD|High: $2,120 AUD|Avg: $1,286 AUD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 30, 2026
Retailer 10$366 AUD
Retailer 8$424 AUD
Retailer 1$532 AUD
Retailer 5$683 AUD
Retailer 7$749 AUD
Retailer 6$1,059 AUD
Retailer 9$1,395 AUD
Retailer 2$1,459 AUD
Retailer 11$1,658 AUD
Retailer 4$1,830 AUD
Retailer 3$1,912 AUD
With Clarity$1,950 AUD

31 data points across 12 retailers

13 retailers$366 AUD to $1,950 AUD

A
Cheapest Retailer
-
$366 AUD
$257 USD
A
Retailer 2
-
$424 AUD
$298 USD
View
A
Retailer 3
-
$532 AUD
£294 GBP
View
A
Retailer 4
-
$683 AUD
$480 USD
View
A
Retailer 5
-
$749 AUD
€501 EUR
View
B+
Retailer 6
-
$1,053 AUD
$740 USD
View
A
Retailer 7
-
$1,059 AUD
View
B+
Retailer 8
-
$1,395 AUD
$980 USD
View
B+
Retailer 9
-
$1,459 AUD
$1,025 USD
View
B+
Retailer 10
-
$1,658 AUD
$1,165 USD
View
B
Retailer 11
-
$1,830 AUD
£1,012 GBP
View
Retailer 12
-
$1,912 AUD
SGD 1,815 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
With Clarity
830636393 · Oct 30
$1,950 AUD
$1,370 USD
View
12 more retailers have this diamond
Prices start from $366 AUDSave up to $1,584 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
1.65ct Marquise
$366 AUD