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Marquise|Lab Grown|IGI

1.71ct F VS2 Marquise Lab Grown Diamond

VG • F/VS2 • IGI LG823657845

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823657845

Diamond specifications and retailer prices

From $392 USD
£309 GBP
As of November 2, 2026
Save $1,028 USD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,420 USD at Brilliant Earth · As of November 2, 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 very-good cut grade and certified by IGI LG823657845 or 823657845. Listed at 9 retailers as of November 2, 2026, with prices from $392 to $1,420, a $1,028 spread on the same certified stone. Brilliant Earth lists it at $1,420. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
F
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823657845
Dimensions12.48 × 6.17 × 3.90 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.48 mm6.17 mm1.71 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823657845
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

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: $392 USD|Low: $392 USD|High: $1,285 USD|Avg: $765 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 1$392 USD
Retailer 6$480 USD
Retailer 5$535 USD
Retailer 2$607 USD
Retailer 8$614 USD
Retailer 4$984 USD
Retailer 7$1,260 USD
Retailer 3$1,284 USD

10 data points across 8 retailers

9 retailers$392 USD to $1,420 USD

A
Cheapest Retailer
-
$392 USD
£309 GBP
A
Retailer 2
-
$480 USD
View
A
Retailer 3
-
$535 USD
View
A
Retailer 4
-
$607 USD
£478 GBP
View
A
Retailer 5
-
$614 USD
View
B+
Retailer 6
-
$984 USD
View
B
Retailer 7
-
$1,260 USD
View
B
Retailer 8
-
$1,284 USD
£1,011 GBP
View
Most Expensive
B
Brilliant Earth
22257515A · Nov 2
$1,420 USD
View
8 more retailers have this diamond
Prices start from $392 USDSave up to $1,028 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
1.71ct Marquise
$392 USD