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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 $362 AUD
$254 USD
As of October 30, 2026
Save $2,856 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,217 AUD 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 $362 to $3,217, a $2,856 spread on the same certified stone. Do Amore Diamonds lists it at $3,217. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,217 AUD|Low: $305 AUD|High: $3,246 AUD|Avg: $1,167 AUD|-0.9%
Do Amore Diamonds
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 29, 2026
Retailer 8$305 AUD
Retailer 15$362 AUD
Retailer 7$420 AUD
Retailer 5$551 AUD
Retailer 4$599 AUD
Retailer 12$605 AUD
Retailer 13$675 AUD
Retailer 9$780 AUD
Retailer 6$1,048 AUD
Retailer 11$1,151 AUD
Retailer 3$1,378 AUD
Retailer 2$1,517 AUD
Retailer 16$1,592 AUD
Retailer 10$1,996 AUD
Retailer 14$2,226 AUD
Do Amore Diamonds$3,217 AUD

18 data points across 16 retailers

15 retailers$362 AUD to $3,217 AUD

A
Cheapest Retailer
-
$362 AUD
$254 USD
A
Retailer 2
-
$420 AUD
$295 USD
View
A
Retailer 3
-
$551 AUD
$387 USD
View
B+
Retailer 4
-
$599 AUD
$421 USD
View
A
Retailer 5
-
$605 AUD
$425 USD
View
A
Retailer 6
-
$675 AUD
$474 USD
View
A
Retailer 7
-
$780 AUD
€522 EUR
View
B+
Retailer 8
-
$1,048 AUD
$736 USD
View
B+
Retailer 9
-
$1,151 AUD
View
B+
Retailer 10
-
$1,378 AUD
$968 USD
View
B+
Retailer 11
-
$1,517 AUD
View
B+
Retailer 12
-
$1,592 AUD
$1,118 USD
View
B
Retailer 13
-
$1,996 AUD
£1,104 GBP
View
B
Retailer 14
-
$2,226 AUD
$1,564 USD
View
Most Expensive
B
Do Amore Diamonds
27-39E575869 · Oct 29
$3,217 AUD
$2,260 USD
View
14 more retailers have this diamond
Prices start from $362 AUDSave up to $2,856 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
$362 AUD