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Round|Lab Grown|IGI

1.00ct D I1 Round Lab Grown Diamond

ID • D/I1 • IGI LG536210582

Shape and cutting style on the report: Round brilliant

Certificate IGI LG536210582

Diamond specifications and retailer prices

From £234 GBP
$313 USD
As of October 30, 2026
Save £805 GBP (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,039 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG536210582 or 536210582. Listed at 3 retailers as of October 29, 2026, with prices from £234 to £1,039, a £805 spread on the same certified stone. MOH London lists it at £1,039. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536210582
Dimensions6.42 × 6.45 × 3.93 mm
L/W Ratio1.00
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.
Top View
6.42 mm6.45 mm1.00 ctD / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536210582
Side View
Table 57.5%Crown 34.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,039 GBP|Low: £168 GBP|High: £1,045 GBP|Avg: £523 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
October 29, 2026
Retailer 2£234 GBP
Retailer 3£307 GBP
MOH London£1,039 GBP

11 data points across 3 retailers

3 retailers£234 GBP to £1,039 GBP

A
Cheapest Retailer
-
£234 GBP
$313 USD
B+
Retailer 2
-
£307 GBP
$412 USD
View
Most Expensive
B
MOH London
LG536210582 · Oct 29
£1,039 GBP
View
2 more retailers have this diamond
Prices start from £234 GBPSave up to £805 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
1.00ct Round
£234 GBP