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Round|Lab Grown|IGI

0.33ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG816670081

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816670081

Diamond specifications and retailer prices

From £53 GBP
$70 USD
As of October 29, 2026
Save £431 GBP (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £484 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.33ct lab-grown round diamond

This 0.33ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG816670081 or 816670081. Listed at 8 retailers as of October 29, 2026, with prices from £53 to £484, a £431 spread on the same certified stone. MOH London lists it at £484. 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

0.33
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816670081
Dimensions4.36 × 4.38 × 2.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.36 mm4.38 mm0.33 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816670081
Side View
Table 61.0%Crown 35.8°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £484 GBP|Low: £70 GBP|High: £484 GBP|Avg: £203 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4£70 GBP
Retailer 2£118 GBP
Retailer 7£149 GBP
Retailer 3£157 GBP
Retailer 6£193 GBP
Retailer 5£256 GBP
MOH London£484 GBP

9 data points across 7 retailers

8 retailers£53 GBP to £484 GBP

A
Cheapest Retailer
-
£53 GBP
$70 USD
A
Retailer 2
-
£70 GBP
$93 USD
View
A
Retailer 3
-
£118 GBP
View
B+
Retailer 4
-
£149 GBP
$199 USD
View
B+
Retailer 5
-
£157 GBP
View
B+
Retailer 6
-
£193 GBP
SGD 347 SGD
View
B
Retailer 7
-
£256 GBP
$341 USD
View
Most Expensive
C
MOH London
LG816670081 · Oct 29
£484 GBP
View
7 more retailers have this diamond
Prices start from £53 GBPSave up to £431 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
0.33ct Round
£53 GBP