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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 $296 USD
As of November 2, 2026
Save $2,324 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,620 USD 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 $296 to $2,620, a $2,324 spread on the same certified stone. Do Amore Diamonds lists it at $2,620. 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
Color
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: $2,620 USD|Low: $295 USD|High: $2,730 USD|Avg: $1,166 USD|-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$296 USD
Retailer 8$343 USD
Retailer 2$428 USD
Retailer 12$599 USD
Retailer 7$600 USD
Retailer 6$943 USD
Retailer 9$1,126 USD
Retailer 11$1,300 USD
Retailer 5$1,629 USD
Retailer 3$1,701 USD
Retailer 4$1,750 USD
Do Amore Diamonds$2,620 USD

33 data points across 12 retailers

13 retailers$296 USD to $2,620 USD

A
Cheapest Retailer
-
$296 USD
A
Retailer 2
-
$343 USD
View
A
Retailer 3
-
$428 USD
£337 GBP
View
A
Retailer 4
-
$599 USD
View
A
Retailer 5
-
$600 USD
View
B+
Retailer 6
-
$943 USD
A$1,451 AUD
View
B+
Retailer 7
-
$1,126 USD
View
B+
Retailer 8
-
$1,245 USD
View
B+
Retailer 9
-
$1,300 USD
View
B
Retailer 10
-
$1,629 USD
£1,283 GBP
View
B
Retailer 11
-
$1,701 USD
View
B
Retailer 12
-
$1,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-1BC33A276 · Nov 2
$2,620 USD
View
12 more retailers have this diamond
Prices start from $296 USDSave up to $2,324 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
1.66ct Marquise
$296 USD