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Round|Lab Grown|UNKNOWN

1.13ct J I1 Round Lab Grown Diamond

EX • J/I1 • UNKNOWN 11470470

Certificate UNKNOWN 11470470

Diamond specifications and retailer prices

From £301 GBP
$403 USD
As of October 29, 2026
Save £899 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,200 GBP at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.13ct lab-grown round diamond

This 1.13ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by UNKNOWN 11470470. Listed at 5 retailers as of October 29, 2026, with prices from £301 to £1,200, a £899 spread on the same certified stone. NZ Jewellers lists it at £1,200. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.13
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 11470470
Dimensions6.63 × 6.57 × 4.14 mm
L/W Ratio1.01
Top View
6.63 mm6.57 mm1.13 ctJ / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 11470470
Side View
Table 57.1%CrownGirdlePavilionCuletDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £1,200 GBP|Low: £289 GBP|High: £1,200 GBP|Avg: £566 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 10, 2026
Retailer 2£301 GBP
Retailer 5£337 GBP
Retailer 3£373 GBP
Retailer 4£592 GBP
NZ Jewellers£1,200 GBP

6 data points across 5 retailers

5 retailers£301 GBP to £1,200 GBP

B+
Cheapest Retailer
-
£301 GBP
$403 USD
B+
Retailer 2
-
£337 GBP
$452 USD
View
B+
Retailer 3
-
£373 GBP
$500 USD
View
B+
Retailer 4
-
£592 GBP
$793 USD
View
Most Expensive
B
NZ Jewellers
aacf6b71-1167-43a0-820f-61d2aa5c1815 · Oct 31
£1,200 GBP
$1,608 USD
View
4 more retailers have this diamond
Prices start from £301 GBPSave up to £899 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+
1.13ct Round
£301 GBP