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Marquise|Lab Grown|IGI

1.64ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG841687659

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841687659

Diamond specifications and retailer prices

From $427 AUD
$300 USD
As of October 24, 2026
Save $1,532 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,959 AUD at With Clarity · As of October 27, 2026
View at With Clarity

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 LG841687659 or 841687659. Listed at 14 retailers as of October 24, 2026, with prices from $427 to $1,959, a $1,532 spread on the same certified stone. With Clarity lists it at $1,959. 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 angle37.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841687659
Dimensions12.23 × 6.01 × 3.89 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.23 mm6.01 mm1.64 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841687659
Side View
Table 58.0%Crown 37.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.7%

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 24
Current: $683 AUD|Low: $367 AUD|High: $2,064 AUD|Avg: $1,207 AUD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 28, 2026
Retailer 11$367 AUD
Retailer 9$427 AUD
Retailer 5$534 AUD
Retailer 1$683 AUD
Retailer 6$752 AUD
Retailer 3$944 AUD
Retailer 8$1,071 AUD
Retailer 10$1,401 AUD
Retailer 2$1,465 AUD
Retailer 12$1,666 AUD
Retailer 7$1,830 AUD
Retailer 4$1,920 AUD
With Clarity$1,959 AUD

20 data points across 13 retailers

14 retailers$427 AUD to $1,959 AUD

Retailer 1
-
$367 AUD
$258 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$427 AUD
$300 USD
View
A
Retailer 3
-
$534 AUD
£296 GBP
View
A
Retailer 4
-
$683 AUD
$480 USD
View
A
Retailer 5
-
$752 AUD
€503 EUR
View
A
Retailer 6
-
$944 AUD
$663 USD
View
B+
Retailer 7
-
$1,071 AUD
View
Retailer 8
-
$1,096 AUD
$770 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$1,401 AUD
$984 USD
View
B+
Retailer 10
-
$1,465 AUD
$1,029 USD
View
B
Retailer 11
-
$1,666 AUD
$1,170 USD
View
B
Retailer 12
-
$1,830 AUD
£1,012 GBP
View
Retailer 13
-
$1,920 AUD
SGD 1,823 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
With Clarity
841687659 · Oct 27
$1,959 AUD
$1,376 USD
View
13 more retailers have this diamond
Prices start from $427 AUDSave up to $1,532 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
$427 AUD