CaratHunter
Plans
Oval|Lab Grown|IGI

1.01ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG566391627

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG566391627

Diamond specifications and retailer prices

From £220 GBP
As of November 6, 2026
Save £493 GBP (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £714 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct lab-grown oval diamond

This 1.01ct lab-grown oval sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG566391627 or 566391627. Listed at 5 retailers as of November 4, 2026, with prices from £220 to £714, a £493 spread on the same certified stone. MOH London lists it at £714. 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

1.01
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566391627
Dimensions8.39 × 5.56 × 3.34 mm
L/W Ratio1.51
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
8.39 mm5.56 mm1.01 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG566391627
Side View
Table 61.0%Crown 34.2°Girdle: THN-STKPavilion 39.7°Culet: NoneDepth 60.1%

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: Nov 6
Current: £714 GBP|Low: £220 GBP|High: £751 GBP|Avg: £370 GBP|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£220 GBP
Retailer 2£267 GBP
Retailer 5£275 GBP
Retailer 3£334 GBP
MOH London£714 GBP

43 data points across 5 retailers

5 retailers£220 GBP to £714 GBP

A
Cheapest Retailer
-
£220 GBP
A
Retailer 2
-
£267 GBP
View
A
Retailer 3
-
£275 GBP
View
B+
Retailer 4
-
£334 GBP
View
Most Expensive
B
MOH London
LG566391627 · Nov 4
£714 GBP
View
4 more retailers have this diamond
Prices start from £220 GBPSave up to £493 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
1.01ct Oval
£220 GBP