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Round|Lab Grown|IGI

0.68ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG459192037

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459192037

Diamond specifications and retailer prices

From £448 GBP
€572 EUR
As of October 31, 2026
Save £702 GBP (61%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,151 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.68ct lab-grown round diamond

This 0.68ct lab-grown round 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 IGI LG459192037 or 459192037. Listed at 4 retailers as of October 31, 2026, with prices from £448 to £1,151, a £702 spread on the same certified stone. MOH London lists it at £1,151. 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

0.68
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459192037
Dimensions5.56 × 5.60 × 3.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.56 mm5.60 mm0.68 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459192037
Side View
Table 59.5%Crown 34.5°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,151 GBP|Low: £287 GBP|High: £1,165 GBP|Avg: £657 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£287 GBP
Retailer 3£448 GBP
Retailer 4£467 GBP
Retailer 2£510 GBP
MOH London£1,151 GBP
Retailer 6£1,154 GBP

41 data points across 6 retailers

4 retailers£448 GBP to £1,151 GBP

B
Cheapest Retailer
-
£448 GBP
€572 EUR
B
Retailer 2
-
£467 GBP
$626 USD
View
B
Retailer 3
-
£510 GBP
View
Most Expensive
B
MOH London
LG459192037 · Nov 1
£1,151 GBP
View
3 more retailers have this diamond
Prices start from £448 GBPSave up to £702 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
0.68ct Round
£448 GBP