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Marquise|Lab Grown|IGI

1.71ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG843667343

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843667343

Diamond specifications and retailer prices

From $1,167 USD
As of November 1, 2026
Save $253 USD (18%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,420 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.71ct lab-grown marquise diamond

This 1.71ct 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 LG843667343 or 843667343. Listed at 5 retailers as of October 31, 2026, with prices from $1,167 to $1,420, a $253 spread on the same certified stone. Brilliant Earth lists it at $1,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843667343
Dimensions12.00 × 6.28 × 3.95 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.00 mm6.28 mm1.71 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843667343
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $1,283 USD|Low: $526 USD|High: $1,374 USD|Avg: $1,085 USD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 26, 2026
Retailer 2$527 USD
Retailer 3$1,167 USD
Retailer 1$1,283 USD
Retailer 4$1,374 USD

6 data points across 4 retailers

5 retailers$1,167 USD to $1,420 USD

Retailer 1
-
$527 USD
€502 EUR
Price last confirmed 8 days ago
B
Retailer 2
-
$1,167 USD
View
B+
Retailer 3
-
$1,283 USD
£1,010 GBP
View
B
Retailer 4
-
$1,374 USD
View
Most Expensive
B
Brilliant Earth
21824424A · Oct 31
$1,420 USD
View
4 more retailers have this diamond
Prices start from $1,167 USDSave up to $253 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.

B+
1.71ct Marquise
$1,167 USD