Marquise|Lab Grown|IGI

5.20ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG835603076

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835603076

Diamond specifications and retailer prices

From $1,140 USD
As of October 29, 2026
Save $6,660 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,750 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.2ct lab-grown marquise diamond

This 5.2ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835603076 or 835603076. Listed at 11 retailers as of October 29, 2026, with a 584% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835603076
Dimensions18.26 × 9.07 × 5.59 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.26 mm9.07 mm5.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835603076
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.6%

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: Oct 29
Current: $11,750 USD|Low: $1,120 USD|High: $12,120 USD|Avg: $4,085 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4$1,140 USD
Retailer 3$1,370 USD
Retailer 11$1,637 USD
Retailer 6$1,935 USD
Retailer 7$2,267 USD
Retailer 5$2,278 USD
Retailer 2$3,835 USD
Retailer 9$3,949 USD
Retailer 10$5,480 USD
Retailer 8$7,800 USD
Brilliant Earth$11,750 USD

13 data points across 11 retailers

11 retailers$1,140 USD to $7,800 USD

A
Cheapest Retailer
-
$1,140 USD
A
Retailer 2
-
$1,370 USD
HK$10,700 HKD
View
A
Retailer 3
-
$1,637 USD
View
A
Retailer 4
-
$1,935 USD
View
B+
Retailer 5
-
$2,267 USD
View
Retailer 6
-
$2,278 USD
A$3,505 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,835 USD
£3,020 GBP
View
B
Retailer 8
-
$3,949 USD
SGD 5,336 SGD
View
B
Retailer 9
-
$5,480 USD
View
B
Retailer 10
-
$7,800 USD
View
Most Expensive
Brilliant Earth
21343817Y · Oct 28
$11,750 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,140 USDSave up to $6,660 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
$1,140 USD