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Marquise|Lab Grown|GCAL

5.20ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • GCAL LG331760316

Certificate GCAL LG331760316

Diamond specifications and retailer prices

From $935 USD
As of November 2, 2026
Save $7,035 USD (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,970 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG331760316. Listed at 4 retailers as of November 2, 2026, with prices from $935 to $7,970, a $7,035 spread on the same certified stone. Do Amore Diamonds lists it at $7,970. 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 LG331760316
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 LG331760316
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 61.3%

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: $7,970 USD|Low: $898 USD|High: $7,970 USD|Avg: $3,247 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$935 USD
Retailer 4$1,018 USD
Retailer 3$2,245 USD
Do Amore Diamonds$7,970 USD

4 data points across 4 retailers

4 retailers$935 USD to $7,970 USD

A
Cheapest Retailer
-
$935 USD
A
Retailer 2
-
$1,018 USD
View
B+
Retailer 3
-
$2,245 USD
View
Most Expensive
B
Do Amore Diamonds
7-1578561 · Nov 2
$7,970 USD
View
3 more retailers have this diamond
Prices start from $935 USDSave up to $7,035 USD

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
$935 USD