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Oval|Lab Grown|IGI

4.23ct H VS1 Oval Lab Grown Diamond

VG • H/VS1 • IGI LG534263029

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG534263029

Diamond specifications and retailer prices

From £393 GBP
$527 USD
As of October 29, 2026
Save £3,100 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,493 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.23ct lab-grown oval diamond

This 4.23ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG534263029 or 534263029. Listed at 18 retailers as of October 29, 2026, with prices from £393 to £3,493, a £3,100 spread on the same certified stone. Do Amore Diamonds lists it at £3,493. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.23
Carat
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534263029
Dimensions12.76 × 9.11 × 5.79 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.76 mm9.11 mm4.23 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534263029
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.6%

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: £3,493 GBP|Low: £317 GBP|High: £3,493 GBP|Avg: £1,133 GBP
Do Amore Diamonds
Retailer 2
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Retailer 19
October 30, 2026
Retailer 17£393 GBP
Retailer 4£440 GBP
Retailer 5£440 GBP
Retailer 7£487 GBP
Retailer 18£487 GBP
Retailer 14£590 GBP
Retailer 2£595 GBP
Retailer 11£737 GBP
Retailer 19£756 GBP
Retailer 10£781 GBP
Retailer 6£788 GBP
Retailer 12£1,078 GBP
Retailer 16£1,258 GBP
Retailer 3£1,416 GBP
Retailer 8£1,570 GBP
Retailer 15£1,750 GBP
Retailer 9£1,830 GBP
Retailer 13£2,349 GBP
Do Amore Diamonds£3,493 GBP

34 data points across 19 retailers

18 retailers£393 GBP to £3,493 GBP

A
Cheapest Retailer
-
£393 GBP
$527 USD
A
Retailer 2
-
£440 GBP
$590 USD
View
Final sale: no returns
A
Retailer 3
-
£440 GBP
$590 USD
View
Retailer 4
-
£487 GBP
$653 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£487 GBP
$653 USD
View
A
Retailer 6
-
£590 GBP
$790 USD
View
A
Retailer 7
-
£595 GBP
View
B+
Retailer 8
-
£756 GBP
$1,013 USD
View
B+
Retailer 9
-
£781 GBP
$1,046 USD
View
B+
Retailer 10
-
£788 GBP
$1,056 USD
View
B+
Retailer 11
-
£1,078 GBP
A$2,223 AUD
View
B
Retailer 12
-
£1,258 GBP
$1,686 USD
View
B
Retailer 13
-
£1,416 GBP
$1,897 USD
View
B
Retailer 14
-
£1,570 GBP
View
Retailer 15
-
£1,750 GBP
$2,345 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£1,830 GBP
$2,452 USD
View
B
Retailer 17
-
£2,349 GBP
View
Most Expensive
B
Do Amore Diamonds
27-671827B8A · Oct 31
£3,493 GBP
$4,680 USD
View
17 more retailers have this diamond
Prices start from £393 GBPSave up to £3,100 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
4.23ct Oval
£393 GBP