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Round|Lab Grown|IGI

0.55ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG817623799

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817623799

Diamond specifications and retailer prices

From £81 GBP
$108 USD
As of October 30, 2026
Save £587 GBP (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £669 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.55ct lab-grown round diamond

This 0.55ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817623799 or 817623799. Listed at 16 retailers as of October 29, 2026, with prices from £81 to £669, a £587 spread on the same certified stone. MOH London lists it at £669. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817623799
Dimensions5.25 × 5.22 × 3.25 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.25 mm5.22 mm0.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817623799
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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 30
Current: £669 GBP|Low: £57 GBP|High: £673 GBP|Avg: £286 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9£81 GBP
Retailer 5£96 GBP
Retailer 7£124 GBP
Retailer 3£163 GBP
Retailer 2£173 GBP
Retailer 4£230 GBP
Retailer 6£324 GBP
Retailer 10£335 GBP
Retailer 8£650 GBP
MOH London£669 GBP

43 data points across 10 retailers

16 retailers£81 GBP to £669 GBP

Retailer 1
-
£70 GBP
$93 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£81 GBP
$108 USD
View
Final sale: no returns
Retailer 3
-
£85 GBP
$113 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
£96 GBP
$128 USD
View
A
Retailer 5
-
£96 GBP
$128 USD
View
Retailer 6
-
£96 GBP
$128 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
£124 GBP
$165 USD
View
A
Retailer 8
-
£163 GBP
ZAR 3,517 ZAR
View
A
Retailer 9
-
£173 GBP
View
B+
Retailer 10
-
£230 GBP
A$472 AUD
View
Retailer 11
-
£291 GBP
$387 USD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
£291 GBP
$387 USD
View
B
Retailer 13
-
£324 GBP
$432 USD
View
B
Retailer 14
-
£335 GBP
$446 USD
View
B
Retailer 15
-
£650 GBP
$866 USD
View
Most Expensive
B
MOH London
LG817623799 · Oct 29
£669 GBP
View
15 more retailers have this diamond
Prices start from £81 GBPSave up to £587 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
0.55ct Round
£81 GBP