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Marquise|Lab Grown|IGI

4.53ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG685595057

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG685595057

Diamond specifications and retailer prices

From £1,237 GBP
$1,647 USD
As of October 28, 2026
Save £2,915 GBP (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,152 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.53ct lab-grown marquise diamond

This 4.53ct 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 LG685595057 or 685595057. Listed at 7 retailers as of October 28, 2026, with prices from £1,237 to £4,152, a £2,915 spread on the same certified stone. Taylor and Hart lists it at £4,152. 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

4.53
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685595057
Dimensions17.53 × 8.99 × 5.20 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.53 mm8.99 mm4.53 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685595057
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 57.8%

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 28
Current: £1,641 GBP|Low: £1,210 GBP|High: £4,233 GBP|Avg: £2,535 GBP|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 28, 2026
Retailer 6£1,237 GBP
Retailer 5£1,347 GBP
Retailer 1£1,641 GBP
Retailer 4£1,681 GBP
Retailer 2£3,782 GBP
Retailer 3£4,040 GBP
Taylor and Hart£4,152 GBP

27 data points across 7 retailers

7 retailers£1,237 GBP to £4,152 GBP

A
Cheapest Retailer
-
£1,237 GBP
$1,647 USD
A
Retailer 2
-
£1,347 GBP
$1,794 USD
View
A
Retailer 3
-
£1,641 GBP
View
B+
Retailer 4
-
£1,681 GBP
$2,239 USD
View
Retailer 5
-
£3,782 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£4,040 GBP
$5,380 USD
View
Most Expensive
B
Taylor and Hart
3XBIAQL · Oct 30
£4,152 GBP
$5,529 USD
View
6 more retailers have this diamond
Prices start from £1,237 GBPSave up to £2,915 GBP

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
4.53ct Marquise
£1,237 GBP