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Marquise|Lab Grown|IGI

1.64ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG830635938

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830635938

Diamond specifications and retailer prices

From $297 USD
As of October 24, 2026
Save $1,065 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,362 USD 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 LG830635938 or 830635938. Listed at 13 retailers as of October 24, 2026, with prices from $297 to $1,362, a $1,065 spread on the same certified stone. With Clarity lists it at $1,362. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830635938
Dimensions11.92 × 6.26 × 3.88 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
11.92 mm6.26 mm1.64 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830635938
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

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 24
Current: $475 USD|Low: $256 USD|High: $1,480 USD|Avg: $911 USD|-3.1%
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 28, 2026
Retailer 10$256 USD
Retailer 8$297 USD
Retailer 4$372 USD
Retailer 1$475 USD
Retailer 5$524 USD
Retailer 7$745 USD
Retailer 9$974 USD
Retailer 2$1,020 USD
Retailer 11$1,157 USD
Retailer 6$1,273 USD
Retailer 3$1,337 USD
With Clarity$1,362 USD

30 data points across 12 retailers

13 retailers$297 USD to $1,362 USD

A
Retailer 1
-
$256 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$297 USD
View
A
Retailer 3
-
$372 USD
£293 GBP
View
A
Retailer 4
-
$475 USD
View
A
Retailer 5
-
$524 USD
€499 EUR
View
Retailer 6
-
$735 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$745 USD
A$1,146 AUD
View
B+
Retailer 8
-
$974 USD
View
B+
Retailer 9
-
$1,020 USD
View
B+
Retailer 10
-
$1,157 USD
View
B
Retailer 11
-
$1,273 USD
£1,002 GBP
View
Retailer 12
-
$1,337 USD
SGD 1,807 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
With Clarity
830635938 · Oct 27
$1,362 USD
View
12 more retailers have this diamond
Prices start from $297 USDSave up to $1,065 USD

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
$297 USD