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Marquise|Lab Grown|IGI

1.71ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG826614668

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826614668

Diamond specifications and retailer prices

From $305 USD
As of November 1, 2026
Save $1,446 USD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,751 USD at Frank Darling · As of November 2, 2026
View at Frank Darling

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826614668 or 826614668. Listed at 7 retailers as of November 1, 2026, with prices from $305 to $1,751, a $1,446 spread on the same certified stone. Frank Darling lists it at $1,751. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826614668
Dimensions12.23 × 6.34 × 3.98 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.23 mm6.34 mm1.71 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826614668
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,751 USD|Low: $305 USD|High: $1,752 USD|Avg: $973 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$305 USD
Retailer 6$450 USD
Retailer 7$628 USD
Retailer 3$823 USD
Retailer 5$1,202 USD
Retailer 2$1,715 USD
Frank Darling$1,751 USD

17 data points across 7 retailers

7 retailers$305 USD to $1,751 USD

A
Cheapest Retailer
-
$305 USD
Final sale: no returns
B+
Retailer 2
-
$450 USD
View
A
Retailer 3
-
$741 USD
View
B+
Retailer 4
-
$1,202 USD
View
B
Retailer 5
-
$1,700 USD
View
B
Retailer 6
-
$1,715 USD
View
Most Expensive
B
Frank Darling
100751794628KD · Nov 2
$1,751 USD
View
6 more retailers have this diamond
Prices start from $305 USDSave up to $1,446 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
$305 USD