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Oval|Lab Grown|IGI

4.53ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG737587511

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG737587511

Diamond specifications and retailer prices

From £378 GBP
$507 USD
As of October 29, 2026
Save £1,913 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,291 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.53ct lab-grown oval diamond

This 4.53ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG737587511 or 737587511. Listed at 16 retailers as of October 29, 2026, with prices from £378 to £2,291, a £1,913 spread on the same certified stone. Brilliant Earth lists it at £2,291. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.53
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737587511
Dimensions13.84 × 9.15 × 5.48 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.84 mm9.15 mm4.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737587511
Side View
Table 61.0%Crown 31.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £2,291 GBP|Low: £363 GBP|High: £4,635 GBP|Avg: £1,211 GBP|-50.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 12£378 GBP
Retailer 3£423 GBP
Retailer 4£423 GBP
Retailer 13£469 GBP
Retailer 8£571 GBP
Retailer 9£715 GBP
Retailer 5£725 GBP
Retailer 14£728 GBP
Retailer 2£781 GBP
Retailer 11£1,087 GBP
Retailer 15£1,233 GBP
Retailer 7£1,526 GBP
Retailer 10£1,960 GBP
Retailer 6£2,242 GBP
Brilliant Earth£2,291 GBP

45 data points across 15 retailers

16 retailers£378 GBP to £2,291 GBP

A
Cheapest Retailer
-
£378 GBP
$507 USD
A
Retailer 2
-
£423 GBP
$567 USD
View
Final sale: no returns
A
Retailer 3
-
£423 GBP
$567 USD
View
Retailer 4
-
£469 GBP
$628 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£469 GBP
$628 USD
View
A
Retailer 6
-
£571 GBP
$765 USD
View
A
Retailer 7
-
£715 GBP
€912 EUR
View
A
Retailer 8
-
£725 GBP
$971 USD
View
B+
Retailer 9
-
£728 GBP
$975 USD
View
A
Retailer 10
-
£781 GBP
View
B+
Retailer 11
-
£1,087 GBP
$1,457 USD
View
B+
Retailer 12
-
£1,233 GBP
$1,652 USD
View
B+
Retailer 13
-
£1,526 GBP
$2,045 USD
View
B
Retailer 14
-
£1,960 GBP
View
B
Retailer 15
-
£2,242 GBP
$3,004 USD
View
Most Expensive
B
Brilliant Earth
15951896A · Oct 30
£2,291 GBP
$3,070 USD
View
15 more retailers have this diamond
Prices start from £378 GBPSave up to £1,913 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 Oval
£378 GBP