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Round|Lab Grown|IGI

0.67ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG445041737

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445041737

Diamond specifications and retailer prices

From £462 GBP
$619 USD
As of November 1, 2026
Save £672 GBP (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,134 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.67ct lab-grown round diamond

This 0.67ct 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 LG445041737 or 445041737. Listed at 3 retailers as of November 1, 2026, with prices from £462 to £1,134, a £672 spread on the same certified stone. MOH London lists it at £1,134. 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

0.67
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445041737
Dimensions5.71 × 5.65 × 3.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
5.71 mm5.65 mm0.67 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG445041737
Side View
Table 63.5%Crown 33.2°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 58.8%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £1,134 GBP|Low: £283 GBP|High: £1,148 GBP|Avg: £645 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4£283 GBP
Retailer 6£399 GBP
Retailer 3£462 GBP
Retailer 2£502 GBP
MOH London£1,134 GBP
Retailer 5£1,137 GBP

38 data points across 6 retailers

3 retailers£462 GBP to £1,134 GBP

B
Cheapest Retailer
-
£462 GBP
$619 USD
B
Retailer 2
-
£502 GBP
View
Most Expensive
C
MOH London
LG445041737 · Nov 1
£1,134 GBP
View
2 more retailers have this diamond
Prices start from £462 GBPSave up to £672 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
0.67ct Round
£462 GBP