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Marquise|Lab Grown|IGI

1.64ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG786679555

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786679555

Diamond specifications and retailer prices

From $254 USD
As of October 30, 2026
Save $2,006 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,260 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG786679555 or 786679555. Listed at 15 retailers as of October 29, 2026, with prices from $254 to $2,260, a $2,006 spread on the same certified stone. Do Amore Diamonds lists it at $2,260. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786679555
Dimensions11.60 × 6.18 × 3.93 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm6.18 mm1.64 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786679555
Side View
Table 62.0%Crown 37.4°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.6%

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: $2,260 USD|Low: $214 USD|High: $2,280 USD|Avg: $820 USD|-0.9%
Do Amore Diamonds
Retailer 2
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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 29, 2026
Retailer 8$214 USD
Retailer 15$254 USD
Retailer 7$295 USD
Retailer 5$387 USD
Retailer 4$421 USD
Retailer 12$425 USD
Retailer 13$474 USD
Retailer 9$548 USD
Retailer 6$736 USD
Retailer 11$809 USD
Retailer 3$968 USD
Retailer 2$1,065 USD
Retailer 16$1,118 USD
Retailer 10$1,402 USD
Retailer 14$1,564 USD
Do Amore Diamonds$2,260 USD

18 data points across 16 retailers

15 retailers$254 USD to $2,260 USD

A
Cheapest Retailer
-
$254 USD
A
Retailer 2
-
$295 USD
View
A
Retailer 3
-
$387 USD
View
B+
Retailer 4
-
$421 USD
View
A
Retailer 5
-
$425 USD
View
A
Retailer 6
-
$474 USD
View
A
Retailer 7
-
$548 USD
€522 EUR
View
B+
Retailer 8
-
$736 USD
View
B+
Retailer 9
-
$809 USD
A$1,244 AUD
View
B+
Retailer 10
-
$968 USD
View
B+
Retailer 11
-
$1,065 USD
A$1,639 AUD
View
B+
Retailer 12
-
$1,118 USD
View
B
Retailer 13
-
$1,402 USD
£1,104 GBP
View
B
Retailer 14
-
$1,564 USD
View
Most Expensive
B
Do Amore Diamonds
27-39E575869 · Oct 29
$2,260 USD
View
14 more retailers have this diamond
Prices start from $254 USDSave up to $2,006 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
$254 USD