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Oval|Lab Grown|UNKNOWN

1.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • UNKNOWN 994768498

Certificate UNKNOWN 994768498

Diamond specifications and retailer prices

From £101 GBP
$134 USD
As of October 29, 2026
Save £300 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £400 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 994768498. Listed at 5 retailers as of October 28, 2026, with prices from £101 to £400, a £300 spread on the same certified stone. NZ Jewellers lists it at £400. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
Fluorescence
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 994768498
Dimensions8.22 × 5.54 × 3.46 mm
L/W Ratio1.48
Top View
8.22 mm5.54 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
CertificateUNKNOWN 994768498
Side View
TableCrownGirdlePavilionCuletDepth 62.5%

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: Oct 29
Current: £400 GBP|Low: £96 GBP|High: £400 GBP|Avg: £182 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2£101 GBP
Retailer 4£116 GBP
Retailer 3£125 GBP
Retailer 6£125 GBP
Retailer 5£235 GBP
NZ Jewellers£400 GBP

13 data points across 6 retailers

5 retailers£101 GBP to £400 GBP

A
Cheapest Retailer
-
£101 GBP
$134 USD
B+
Retailer 2
-
£116 GBP
$155 USD
View
B+
Retailer 3
-
£125 GBP
$166 USD
View
B+
Retailer 4
-
£235 GBP
$313 USD
View
Most Expensive
B
NZ Jewellers
608b699d-8100-45bd-9842-b0e01c90097a · Oct 28
£400 GBP
$533 USD
View
4 more retailers have this diamond
Prices start from £101 GBPSave up to £300 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
£101 GBP