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Oval|Lab Grown|IGI

3.43ct F SI2 Oval Lab Grown Diamond

ID • F/SI2 • IGI LG595396305

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG595396305

Diamond specifications and retailer prices

From £501 GBP
$671 USD
As of October 29, 2026
Save £2,017 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,517 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.43ct lab-grown oval diamond

This 3.43ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG595396305 or 595396305. Listed at 13 retailers as of October 29, 2026, with prices from £501 to £2,517, a £2,017 spread on the same certified stone. MOH London lists it at £2,517. 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

3.43
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595396305
Dimensions12.61 × 8.41 × 5.25 mm
L/W Ratio1.50
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
12.61 mm8.41 mm3.43 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595396305
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.4%

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 29
Current: £2,517 GBP|Low: £349 GBP|High: £3,230 GBP|Avg: £1,281 GBP|+25.9%
MOH London
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
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Retailer 19
November 1, 2026
Retailer 19£501 GBP
Retailer 15£545 GBP
Retailer 13£581 GBP
Retailer 9£602 GBP
Retailer 3£638 GBP
Retailer 6£785 GBP
Retailer 17£875 GBP
Retailer 2£915 GBP
Retailer 12£1,029 GBP
Retailer 8£1,121 GBP
Retailer 11£1,172 GBP
Retailer 5£1,246 GBP
Retailer 16£1,483 GBP
Retailer 18£1,500 GBP
Retailer 14£1,802 GBP
Retailer 7£1,823 GBP
Retailer 4£2,048 GBP
MOH London£2,517 GBP
Retailer 10£3,230 GBP

11 data points across 19 retailers

13 retailers£501 GBP to £2,517 GBP

A
Cheapest Retailer
-
£501 GBP
$671 USD
A
Retailer 2
-
£545 GBP
$730 USD
View
A
Retailer 3
-
£581 GBP
$778 USD
View
B+
Retailer 4
-
£638 GBP
$855 USD
View
B+
Retailer 5
-
£875 GBP
$1,172 USD
View
A
Retailer 6
-
£915 GBP
View
B+
Retailer 7
-
£1,029 GBP
View
B+
Retailer 8
-
£1,246 GBP
$1,669 USD
View
B
Retailer 9
-
£1,483 GBP
$1,987 USD
View
B+
Retailer 10
-
£1,500 GBP
$2,010 USD
View
B
Retailer 11
-
£1,802 GBP
$2,415 USD
View
B
Retailer 12
-
£2,048 GBP
$2,744 USD
View
Most Expensive
B
MOH London
LG595396305 · Nov 1
£2,517 GBP
View
12 more retailers have this diamond
Prices start from £501 GBPSave up to £2,017 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
3.43ct Oval
£501 GBP