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Oval|Lab Grown|IGI

1.00ct D SI2 Oval Lab Grown Diamond

ID • D/SI2 • IGI LG547265825

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG547265825

Diamond specifications and retailer prices

From £158 GBP
$211 USD
As of October 28, 2026
Save £673 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £832 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547265825 or 547265825. Listed at 12 retailers as of October 28, 2026, with prices from £158 to £832, a £673 spread on the same certified stone. MOH London lists it at £832. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547265825
Dimensions7.74 × 5.60 × 3.55 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
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
7.74 mm5.60 mm1.00 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547265825
Side View
Table 60.0%Crown 36.8°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 63.4%

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 28
Current: £832 GBP|Low: £158 GBP|High: £875 GBP|Avg: £389 GBP|-3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5£158 GBP
Retailer 7£222 GBP
Retailer 4£310 GBP
Retailer 2£321 GBP
Retailer 6£355 GBP
Retailer 3£571 GBP
MOH London£832 GBP

26 data points across 7 retailers

12 retailers£158 GBP to £832 GBP

Retailer 1
-
£137 GBP
$182 USD
Price last confirmed 25 days ago
A
Retailer 2
-
£158 GBP
$211 USD
View
Final sale: no returns
Retailer 3
-
£177 GBP
$236 USD
View
Price last confirmed 27 days ago
Retailer 4
-
£182 GBP
$243 USD
View
Price last confirmed 40 days ago
A
Retailer 5
-
£222 GBP
$295 USD
View
B+
Retailer 6
-
£310 GBP
$413 USD
View
B+
Retailer 7
-
£321 GBP
View
B+
Retailer 8
-
£355 GBP
$473 USD
View
Retailer 9
-
£568 GBP
$757 USD
View
Price last confirmed 26 days ago
Retailer 10
-
£571 GBP
$760 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£595 GBP
$792 USD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
LG547265825 · Oct 29
£832 GBP
View
11 more retailers have this diamond
Prices start from £158 GBPSave up to £673 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 Oval
£158 GBP