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Marquise|Lab Grown|IGI

1.66ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG826636667

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826636667

Diamond specifications and retailer prices

From $422 AUD
$296 USD
As of November 2, 2026
Save $3,316 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,738 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.66ct lab-grown marquise diamond

This 1.66ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826636667 or 826636667. Listed at 13 retailers as of November 2, 2026, with prices from $422 to $3,738, a $3,316 spread on the same certified stone. Do Amore Diamonds lists it at $3,738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826636667
Dimensions12.69 × 6.19 × 3.79 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.69 mm6.19 mm1.66 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826636667
Side View
Table 61.0%Crown 34.6°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.2%

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: Nov 2
Current: $3,738 AUD|Low: $421 AUD|High: $3,895 AUD|Avg: $1,664 AUD|-4.0%
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
November 2, 2026
Retailer 10$422 AUD
Retailer 8$489 AUD
Retailer 2$610 AUD
Retailer 12$855 AUD
Retailer 7$856 AUD
Retailer 6$1,346 AUD
Retailer 9$1,607 AUD
Retailer 11$1,855 AUD
Retailer 5$2,325 AUD
Retailer 3$2,427 AUD
Retailer 4$2,497 AUD
Do Amore Diamonds$3,738 AUD

33 data points across 12 retailers

13 retailers$422 AUD to $3,738 AUD

A
Cheapest Retailer
-
$422 AUD
$296 USD
A
Retailer 2
-
$489 AUD
$343 USD
View
A
Retailer 3
-
$610 AUD
£337 GBP
View
A
Retailer 4
-
$855 AUD
$599 USD
View
A
Retailer 5
-
$856 AUD
$600 USD
View
B+
Retailer 6
-
$1,346 AUD
View
B+
Retailer 7
-
$1,607 AUD
$1,126 USD
View
B+
Retailer 8
-
$1,776 AUD
$1,245 USD
View
B+
Retailer 9
-
$1,855 AUD
$1,300 USD
View
B
Retailer 10
-
$2,325 AUD
£1,283 GBP
View
B
Retailer 11
-
$2,427 AUD
$1,701 USD
View
B
Retailer 12
-
$2,497 AUD
$1,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-1BC33A276 · Nov 2
$3,738 AUD
$2,620 USD
View
12 more retailers have this diamond
Prices start from $422 AUDSave up to $3,316 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
1.66ct Marquise
$422 AUD