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Oval|Lab Grown|GIA

1.06ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • GIA 5496734640

Certificate GIA 5496734640

Diamond specifications and retailer prices

From £236 GBP
$316 USD
As of October 30, 2026
Save £929 GBP (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,165 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.06ct lab-grown oval diamond

This 1.06ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5496734640. Listed at 5 retailers as of October 29, 2026, with prices from £236 to £1,165, a £929 spread on the same certified stone. MOH London lists it at £1,165. 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

1.06
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5496734640
Dimensions8.28 × 5.86 × 3.54 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This is a man-made diamond produced by CVD (Chemical Vapor Deposition) growth process and has evidence of post-growth treatments to change the color.
Key to symbols
Growth Remnant
Top View
8.28 mm5.86 mm1.06 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5496734640
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 60.4%

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 30
Current: £1,165 GBP|Low: £452 GBP|High: £1,165 GBP|Avg: £663 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
October 30, 2026
Retailer 2£467 GBP
Retailer 3£769 GBP
MOH London£1,165 GBP

40 data points across 3 retailers

5 retailers£236 GBP to £1,165 GBP

A
Cheapest Retailer
-
£236 GBP
$316 USD
Final sale: no returns
B+
Retailer 2
-
£467 GBP
View
B
Retailer 3
-
£769 GBP
$1,030 USD
View
B
Retailer 4
-
£929 GBP
$1,245 USD
View
Most Expensive
B
MOH London
5496734640 · Oct 29
£1,165 GBP
View
4 more retailers have this diamond
Prices start from £236 GBPSave up to £929 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
1.06ct Oval
£236 GBP