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Oval|Lab Grown|GCAL

0.59ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • GCAL 340640043

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 340640043

Diamond specifications and retailer prices

From £205 GBP
$273 USD
As of October 28, 2026
Save £759 GBP (79%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £964 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.59ct lab-grown oval diamond

This 0.59ct lab-grown oval sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 340640043. Listed at 2 retailers as of October 28, 2026, with prices from £205 to £964, a £759 spread on the same certified stone. MOH London lists it at £964. 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

0.59
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
Crown angle38.5°
Pavilion angle42°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 340640043
Dimensions6.70 × 4.69 × 3.00 mm
L/W Ratio1.43
Culet sizeNone
Top View
6.70 mm4.69 mm0.59 ctE / SI1
OriginLab Grown
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateGCAL 340640043
Side View
Table 64.0%Crown 38.5°GirdlePavilion 42°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £964 GBP|Low: £165 GBP|High: £971 GBP|Avg: £384 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 18, 2026
Retailer 3£165 GBP
Retailer 2£205 GBP
Retailer 4£205 GBP
MOH London£964 GBP

4 data points across 4 retailers

2 retailers£205 GBP to £964 GBP

B+
Cheapest Retailer
-
£205 GBP
$273 USD
Most Expensive
C
MOH London
340640043 · Oct 29
£964 GBP
View
1 more retailer has this diamond
Prices start from £205 GBPSave up to £759 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.

B+
0.59ct Oval
£205 GBP