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Marquise|Lab Grown|IGI

1.64ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG793638798

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793638798

Diamond specifications and retailer prices

From $434 AUD
$305 USD
As of October 30, 2026
Save $1,418 AUD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,852 AUD at Brilliance · As of October 30, 2026
View at Brilliance

About this 1.64ct lab-grown marquise diamond

This 1.64ct 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 LG793638798 or 793638798. Listed at 16 retailers as of October 30, 2026, with prices from $434 to $1,852, a $1,418 spread on the same certified stone. Brilliance lists it at $1,852. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793638798
Dimensions11.75 × 6.16 × 11.75 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
11.75 mm6.16 mm1.64 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793638798
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,852 AUD|Low: $389 AUD|High: $1,983 AUD|Avg: $1,099 AUD|-6.6%
Brilliance
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
Retailer 16
October 30, 2026
Retailer 15$389 AUD
Retailer 6$434 AUD
Retailer 14$450 AUD
Retailer 3$481 AUD
Retailer 12$705 AUD
Retailer 16$796 AUD
Retailer 10$827 AUD
Retailer 2$846 AUD
Retailer 5$858 AUD
Retailer 9$1,119 AUD
Retailer 13$1,478 AUD
Retailer 7$1,534 AUD
Retailer 4$1,547 AUD
Retailer 11$1,826 AUD
Retailer 8$1,844 AUD
Brilliance$1,852 AUD

43 data points across 16 retailers

16 retailers$434 AUD to $1,852 AUD

Retailer 1
-
$389 AUD
$273 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$434 AUD
$305 USD
View
Final sale: no returns
Retailer 3
-
$450 AUD
$316 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$481 AUD
$338 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$705 AUD
$495 USD
View
A
Retailer 6
-
$796 AUD
$559 USD
View
A
Retailer 7
-
$827 AUD
ZAR 9,382 ZAR
View
A
Retailer 8
-
$846 AUD
£468 GBP
View
A
Retailer 9
-
$858 AUD
$603 USD
View
B+
Retailer 10
-
$1,119 AUD
View
B+
Retailer 11
-
$1,478 AUD
$1,038 USD
View
B+
Retailer 12
-
$1,534 AUD
$1,078 USD
View
Retailer 13
-
$1,547 AUD
$1,087 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$1,826 AUD
£1,010 GBP
View
Retailer 15
-
$1,844 AUD
£1,020 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliance
D41397778 · Oct 30
$1,852 AUD
$1,301 USD
View
15 more retailers have this diamond
Prices start from $434 AUDSave up to $1,418 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
1.64ct Marquise
$434 AUD