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Round|Lab Grown|UNKNOWN

1.00ct E I1 Round Lab Grown Diamond

EX • E/I1 • UNKNOWN 36279279

Certificate UNKNOWN 36279279

Diamond specifications and retailer prices

From £370 GBP
$496 USD
As of October 29, 2026
Save £838 GBP (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,208 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by UNKNOWN 36279279. Listed at 5 retailers as of October 29, 2026, with prices from £370 to £1,208, a £838 spread on the same certified stone. NZ Jewellers lists it at £1,208. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 36279279
Dimensions6.50 × 6.47 × 3.82 mm
L/W Ratio1.00
Top View
6.50 mm6.47 mm1.00 ctE / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 36279279
Side View
Table 59.9%CrownGirdlePavilionCuletDepth 58.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £370 GBP|Low: £355 GBP|High: £714 GBP|Avg: £495 GBP|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1£370 GBP
Retailer 4£415 GBP
Retailer 2£459 GBP
Retailer 3£714 GBP

4 data points across 4 retailers

5 retailers£370 GBP to £1,208 GBP

B+
Cheapest Retailer
-
£370 GBP
$496 USD
B+
Retailer 2
-
£415 GBP
$556 USD
View
B+
Retailer 3
-
£459 GBP
$615 USD
View
B+
Retailer 4
-
£714 GBP
$957 USD
View
Most Expensive
B
NZ Jewellers
899f0ea3-b624-46b1-9a59-622909d5bc90 · Oct 30
£1,208 GBP
$1,619 USD
View
4 more retailers have this diamond
Prices start from £370 GBPSave up to £838 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+
1.00ct Round
£370 GBP