CaratHunter
Plans
Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG715569166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG715569166

Diamond specifications and retailer prices

From €777 EUR
$868 USD
As of November 1, 2026
Save €1,224 EUR (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,001 EUR at Brilliance · As of November 1, 2026
View at Brilliance

About this 3.51ct lab-grown marquise diamond

This 3.51ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG715569166 or 715569166. Listed at 7 retailers as of November 1, 2026, with prices from €777 to €2,001, a €1,224 spread on the same certified stone. Brilliance lists it at €2,001. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715569166
Dimensions15.30 × 7.97 × 5.01 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.30 mm7.97 mm3.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715569166
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: €2,001 EUR|Low: €673 EUR|High: €3,589 EUR|Avg: €1,593 EUR
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8€777 EUR
Retailer 2€812 EUR
Retailer 12€834 EUR
Retailer 6€1,076 EUR
Retailer 10€1,106 EUR
Retailer 4€1,467 EUR
Retailer 7€1,621 EUR
Retailer 9€1,745 EUR
Retailer 5€1,819 EUR
Brilliance€2,001 EUR
Retailer 3€2,351 EUR
Retailer 11€3,589 EUR

37 data points across 12 retailers

7 retailers€777 EUR to €2,001 EUR

B+
Cheapest Retailer
-
€777 EUR
$868 USD
A
Retailer 2
-
€812 EUR
£714 GBP
View
A
Retailer 3
-
€1,076 EUR
$1,202 USD
View
Retailer 4
-
€1,467 EUR
HK$12,800 HKD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
€1,621 EUR
$1,811 USD
View
B+
Retailer 6
-
€1,819 EUR
£1,600 GBP
View
Most Expensive
B
Brilliance
D33538590 · Nov 1
€2,001 EUR
$2,236 USD
View
6 more retailers have this diamond
Prices start from €777 EURSave up to €1,224 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
3.51ct Marquise
€777 EUR