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Oval|Lab Grown|IGI

1.07ct D SI1 Oval Lab Grown Diamond

GD • D/SI1 • IGI LG835642459

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG835642459

Diamond specifications and retailer prices

From £370 GBP
As of November 4, 2026
5 retailers carry this diamond
Most expensive: £417 GBP at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.07ct lab-grown oval diamond

This 1.07ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG835642459 or 835642459. Listed at 5 retailers as of November 4, 2026. 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

1.07
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835642459
Dimensions8.38 × 5.75 × 3.55 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.38 mm5.75 mm1.07 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835642459
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.9°CuletDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £370 GBP|Low: £130 GBP|High: £418 GBP|Avg: £267 GBP|-11.6%
Retailer 1
Retailer 2
November 4, 2026
Retailer 2£130 GBP
Retailer 1£370 GBP

4 data points across 2 retailers

5 retailers

Retailer 1
-
£105 GBP
Price last confirmed 44 days ago
Retailer 2
-
£121 GBP
View
Price last confirmed 42 days ago
Retailer 3
-
£128 GBP
View
Price last confirmed 42 days ago
B+
Retailer 4
-
£370 GBP
View
Most Expensive
NZ Jewellers
38a3e35d-cd87-4d61-a2f0-f9b50af4b136 · Sep 21
£417 GBP
$558 USD
View
Price last confirmed 46 days ago
4 more retailers have this diamond
Prices start from £370 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.

B+
1.07ct Oval
£370 GBP