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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 €1,040 EUR
$1,167 USD
As of November 1, 2026
Save €226 EUR (18%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,266 EUR 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 top-tier cut grade and certified by IGI LG843667343 or 843667343. Listed at 5 retailers as of November 1, 2026, with prices from €1,040 to €1,266, a €226 spread on the same certified stone. Brilliant Earth lists it at €1,266. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,144 EUR|Low: €469 EUR|High: €1,225 EUR|Avg: €967 EUR|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 26, 2026
Retailer 2€470 EUR
Retailer 3€1,040 EUR
Retailer 1€1,144 EUR
Retailer 4€1,225 EUR

6 data points across 4 retailers

5 retailers€1,040 EUR to €1,266 EUR

Retailer 1
-
€470 EUR
Price last confirmed 8 days ago
B
Retailer 2
-
€1,040 EUR
$1,167 USD
View
B+
Retailer 3
-
€1,144 EUR
£1,010 GBP
View
B
Retailer 4
-
€1,225 EUR
$1,374 USD
View
Most Expensive
B
Brilliant Earth
21824424A · Nov 2
€1,266 EUR
$1,420 USD
View
4 more retailers have this diamond
Prices start from €1,040 EURSave up to €226 EUR

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
€1,040 EUR