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Marquise|Lab Grown|IGI

1.64ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG845647919

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845647919

Diamond specifications and retailer prices

From $447 AUD
$314 USD
As of October 30, 2026
Save $2,789 AUD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,236 AUD at Queensmith · As of October 27, 2026
View at Queensmith

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 very-good cut grade and certified by IGI LG845647919 or 845647919. Listed at 23 retailers as of October 27, 2026, with prices from $447 to $3,236, a $2,789 spread on the same certified stone. Queensmith lists it at $3,236. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.64
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845647919
Dimensions11.93 × 6.29 × 3.87 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.93 mm6.29 mm1.64 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845647919
Side View
Table 55.0%Crown 34.2°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.5%

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: $3,236 AUD|Low: $447 AUD|High: $3,236 AUD|Avg: $1,234 AUD
Queensmith
Retailer 2
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Retailer 23
October 30, 2026
Retailer 10$447 AUD
Retailer 15$500 AUD
Retailer 22$518 AUD
Retailer 6$554 AUD
Retailer 8$555 AUD
Retailer 2$650 AUD
Retailer 16$747 AUD
Retailer 9$776 AUD
Retailer 20$864 AUD
Retailer 4$881 AUD
Retailer 19$953 AUD
Retailer 13$988 AUD
Retailer 12$1,036 AUD
Retailer 18$1,293 AUD
Retailer 17$1,547 AUD
Retailer 23$1,626 AUD
Retailer 5$1,644 AUD
Retailer 3$1,754 AUD
Retailer 11$1,782 AUD
Retailer 14$1,848 AUD
Retailer 7$2,218 AUD
Retailer 21$2,226 AUD
Queensmith$3,236 AUD

15 data points across 23 retailers

23 retailers$447 AUD to $3,236 AUD

A
Cheapest Retailer
-
$447 AUD
$314 USD
A
Retailer 2
-
$500 AUD
$351 USD
View
Final sale: no returns
A
Retailer 3
-
$518 AUD
$364 USD
View
A
Retailer 4
-
$554 AUD
$389 USD
View
A
Retailer 5
-
$555 AUD
$390 USD
View
A
Retailer 6
-
$650 AUD
£360 GBP
View
A
Retailer 7
-
$747 AUD
$525 USD
View
A
Retailer 8
-
$776 AUD
$545 USD
View
A
Retailer 9
-
$864 AUD
€578 EUR
View
A
Retailer 10
-
$881 AUD
$619 USD
View
A
Retailer 11
-
$953 AUD
ZAR 10,812 ZAR
View
B+
Retailer 12
-
$988 AUD
£547 GBP
View
B+
Retailer 13
-
$1,036 AUD
$728 USD
View
B+
Retailer 14
-
$1,293 AUD
View
B
Retailer 15
-
$1,547 AUD
View
B
Retailer 16
-
$1,626 AUD
$1,142 USD
View
B
Retailer 17
-
$1,644 AUD
$1,155 USD
View
B
Retailer 18
-
$1,754 AUD
$1,232 USD
View
B
Retailer 19
-
$1,782 AUD
$1,252 USD
View
B
Retailer 20
-
$1,848 AUD
$1,298 USD
View
B
Retailer 21
-
$2,218 AUD
$1,558 USD
View
B
Retailer 22
-
$2,226 AUD
£1,231 GBP
View
Most Expensive
B
Queensmith
LG845647919 · Oct 27
$3,236 AUD
£1,790 GBP
View
22 more retailers have this diamond
Prices start from $447 AUDSave up to $2,789 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
$447 AUD