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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 €351 EUR
£309 GBP
As of November 2, 2026
Save €920 EUR (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,271 EUR 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 very-good cut grade and certified by IGI LG823657845 or 823657845. Listed at 9 retailers as of October 31, 2026, with prices from €351 to €1,271, a €920 spread on the same certified stone. Brilliant Earth lists it at €1,271. 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: €351 EUR|Low: €351 EUR|High: €1,150 EUR|Avg: €685 EUR|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 1€351 EUR
Retailer 6€430 EUR
Retailer 5€479 EUR
Retailer 2€543 EUR
Retailer 8€550 EUR
Retailer 4€881 EUR
Retailer 7€1,128 EUR
Retailer 3€1,149 EUR

10 data points across 8 retailers

9 retailers€351 EUR to €1,271 EUR

A
Cheapest Retailer
-
€351 EUR
£309 GBP
A
Retailer 2
-
€430 EUR
$480 USD
View
A
Retailer 3
-
€479 EUR
$535 USD
View
A
Retailer 4
-
€543 EUR
£478 GBP
View
A
Retailer 5
-
€550 EUR
$614 USD
View
B+
Retailer 6
-
€881 EUR
$984 USD
View
B
Retailer 7
-
€1,128 EUR
$1,260 USD
View
B
Retailer 8
-
€1,149 EUR
£1,011 GBP
View
Most Expensive
B
Brilliant Earth
22257515A · Oct 31
€1,271 EUR
$1,420 USD
View
8 more retailers have this diamond
Prices start from €351 EURSave up to €920 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.

A
1.71ct Marquise
€351 EUR