Marquise|Lab Grown|GCAL

5.20ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • GCAL 331760316

Certificate GCAL 331760316

Diamond specifications and retailer prices

From €1,415 EUR
$1,581 USD
As of October 31, 2026
Save €2,221 EUR (61%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €3,637 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.2ct lab-grown marquise diamond

This 5.2ct lab-grown marquise sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 331760316. Listed at 4 retailers as of October 31, 2026, with prices from €1,415 to €3,637, a €2,221 spread on the same certified stone. MOH London lists it at €3,637. 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

5.20
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331760316
Dimensions18.81 × 8.97 × 5.50 mm
L/W Ratio2.10
Top View
18.81 mm8.97 mm5.20 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 331760316
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 61.3%

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: Oct 31
Current: €3,637 EUR|Low: €1,415 EUR|High: €3,685 EUR|Avg: €2,191 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4€1,415 EUR
Retailer 3€1,555 EUR
Retailer 2€2,161 EUR
MOH London€3,637 EUR

11 data points across 4 retailers

4 retailers€1,415 EUR to €3,637 EUR

A
Cheapest Retailer
-
€1,415 EUR
$1,581 USD
B+
Retailer 2
-
€1,555 EUR
$1,737 USD
View
B
Retailer 3
-
€2,161 EUR
$2,414 USD
View
Most Expensive
B
MOH London
LG331760316 · Nov 1
€3,637 EUR
£3,199 GBP
View
3 more retailers have this diamond
Prices start from €1,415 EURSave up to €2,221 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
5.20ct Marquise
€1,415 EUR