Marquise|Lab Grown|IGI

4.59ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG845667650

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845667650

Diamond specifications and retailer prices

From $1,106 USD
£871 GBP
As of October 30, 2026
Save $3,487 USD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,480 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.59ct lab-grown marquise diamond

This 4.59ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845667650 or 845667650. Listed at 7 retailers as of October 30, 2026, with a 315% 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

4.59
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845667650
Dimensions17.83 × 8.60 × 5.28 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.83 mm8.60 mm4.59 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845667650
Side View
Table 63.0%Crown 36.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.4%

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 30
Current: $5,480 USD|Low: $796 USD|High: $5,480 USD|Avg: $2,595 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8$796 USD
Retailer 5$1,106 USD
Retailer 7$1,355 USD
Retailer 4$1,472 USD
Retailer 3$2,187 USD
Retailer 2$2,592 USD
Retailer 6$4,593 USD
Rare Carat$5,480 USD

11 data points across 8 retailers

7 retailers$1,106 USD to $4,593 USD

A
Cheapest Retailer
-
$1,106 USD
£871 GBP
Retailer 2
-
$1,355 USD
£1,067 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,472 USD
HK$11,500 HKD
View
B+
Retailer 4
-
$2,187 USD
View
B+
Retailer 5
-
$2,592 USD
View
B
Retailer 6
-
$4,593 USD
View
Most Expensive
Rare Carat
845667650 · Oct 21
$5,480 USD
View
Price last confirmed 12 days ago
6 more retailers have this diamond
Prices start from $1,106 USDSave up to $3,487 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
4.59ct Marquise
$1,106 USD