CaratHunter
Plans
Marquise|Lab Grown|IGI

1.71ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG811683879

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811683879

Diamond specifications and retailer prices

From €388 EUR
$435 USD
As of November 1, 2026
Save €766 EUR (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,154 EUR at MOH London · As of November 2, 2026
View at MOH London

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811683879 or 811683879. Listed at 7 retailers as of November 1, 2026, with prices from €388 to €1,154, a €766 spread on the same certified stone. MOH London lists it at €1,154. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811683879
Dimensions12.59 × 6.05 × 3.91 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.59 mm6.05 mm1.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811683879
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.6%

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: €1,154 EUR|Low: €388 EUR|High: €1,167 EUR|Avg: €698 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 3€388 EUR
Retailer 5€539 EUR
Retailer 2€550 EUR
Retailer 4€596 EUR
Retailer 6€971 EUR
MOH London€1,154 EUR

41 data points across 6 retailers

7 retailers€388 EUR to €1,154 EUR

B+
Cheapest Retailer
-
€388 EUR
$435 USD
A
Retailer 2
-
€539 EUR
$605 USD
View
A
Retailer 3
-
€550 EUR
£486 GBP
View
A
Retailer 4
-
€596 EUR
$669 USD
View
B+
Retailer 5
-
€971 EUR
$1,089 USD
View
B
Retailer 6
-
€1,065 EUR
$1,195 USD
View
Most Expensive
B+
MOH London
LG811683879 · Nov 2
€1,154 EUR
£1,019 GBP
View
6 more retailers have this diamond
Prices start from €388 EURSave up to €766 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
€388 EUR