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Marquise|Lab Grown|IGI

1.65ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG839682664

Certificate IGI LG839682664

Diamond specifications and retailer prices

From $350 USD
As of November 1, 2026
Save $1,570 USD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,920 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.65ct lab-grown marquise diamond

This 1.65ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839682664 or 839682664. Listed at 9 retailers as of October 31, 2026, with prices from $350 to $1,920, a $1,570 spread on the same certified stone. Brilliant Earth lists it at $1,920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682664
Dimensions11.81 × 6.13 × 3.93 mm
L/W Ratio1.93
Top View
11.81 mm6.13 mm1.65 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682664
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.1%

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 1
Current: $1,920 USD|Low: $350 USD|High: $1,920 USD|Avg: $717 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$350 USD
Retailer 9$388 USD
Retailer 5$453 USD
Retailer 6$506 USD
Retailer 3$629 USD
Retailer 8$668 USD
Retailer 4$972 USD
Retailer 2$1,323 USD
Brilliant Earth$1,920 USD

6 data points across 9 retailers

9 retailers$350 USD to $1,920 USD

A
Cheapest Retailer
-
$350 USD
B+
Retailer 2
-
$388 USD
View
A
Retailer 3
-
$453 USD
View
A
Retailer 4
-
$506 USD
€482 EUR
View
A
Retailer 5
-
$566 USD
View
Retailer 6
-
$668 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$972 USD
A$1,496 AUD
View
B
Retailer 8
-
$1,323 USD
View
Most Expensive
B
Brilliant Earth
22271486A · Oct 31
$1,920 USD
View
8 more retailers have this diamond
Prices start from $350 USDSave up to $1,570 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
1.65ct Marquise
$350 USD