Marquise|Lab Grown|IGI

4.50ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG831684299

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831684299

Diamond specifications and retailer prices

From $710 USD
£559 GBP
As of October 30, 2026
Save $3,890 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,600 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.5ct lab-grown marquise diamond

This 4.5ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831684299 or 831684299. Listed at 10 retailers as of October 30, 2026, with prices from $710 to $4,600, a $3,890 spread on the same certified stone. Brilliant Earth lists it at $4,600. 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

4.50
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831684299
Dimensions16.85 × 8.65 × 5.37 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.85 mm8.65 mm4.50 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831684299
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.1%

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: Oct 30
Current: $4,600 USD|Low: $710 USD|High: $4,600 USD|Avg: $1,950 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7$710 USD
Retailer 4$970 USD
Retailer 9$1,120 USD
Retailer 3$1,271 USD
Retailer 6$1,778 USD
Retailer 5$2,027 USD
Retailer 8$2,525 USD
Retailer 2$3,303 USD
Brilliant Earth$4,600 USD

4 data points across 9 retailers

10 retailers$710 USD to $4,600 USD

A
Cheapest Retailer
-
$710 USD
£559 GBP
A
Retailer 2
-
$794 USD
View
A
Retailer 3
-
$970 USD
View
B+
Retailer 4
-
$1,120 USD
View
A
Retailer 5
-
$1,271 USD
£1,001 GBP
View
A
Retailer 6
-
$1,778 USD
View
B+
Retailer 7
-
$2,027 USD
View
B+
Retailer 8
-
$2,525 USD
View
B+
Retailer 9
-
$3,303 USD
A$5,082 AUD
View
Most Expensive
B
Brilliant Earth
22352570A · Oct 31
$4,600 USD
View
9 more retailers have this diamond
Prices start from $710 USDSave up to $3,890 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
4.50ct Marquise
$710 USD