Round|Lab Grown|UNKNOWN

0.59ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • UNKNOWN 17195195

Certificate UNKNOWN 17195195

Diamond specifications and retailer prices

From £103 GBP
As of November 5, 2026
Save £310 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £413 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.59ct lab-grown round diamond

This 0.59ct lab-grown round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 17195195. Listed at 5 retailers as of November 5, 2026, with prices from £103 to £413, a £310 spread on the same certified stone. NZ Jewellers lists it at £413. 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

0.59
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 17195195
Dimensions5.35 × 5.32 × 3.35 mm
L/W Ratio1.01
Top View
5.35 mm5.32 mm0.59 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 17195195
Side View
Table 57.7%CrownGirdlePavilionCuletDepth 62.9%

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: Nov 5
Current: £413 GBP|Low: £100 GBP|High: £413 GBP|Avg: £201 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 10, 2026
Retailer 2£103 GBP
Retailer 5£120 GBP
Retailer 3£129 GBP
Retailer 4£241 GBP
NZ Jewellers£413 GBP

4 data points across 5 retailers

5 retailers£103 GBP to £413 GBP

B+
Cheapest Retailer
-
£103 GBP
B+
Retailer 2
-
£120 GBP
View
B+
Retailer 3
-
£129 GBP
View
B+
Retailer 4
-
£241 GBP
View
Most Expensive
B
NZ Jewellers
528ebfcb-7d45-4223-8f35-7d9b41500663 · Nov 5
£413 GBP
$556 USD
View
4 more retailers have this diamond
Prices start from £103 GBPSave up to £310 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+
0.59ct Round
£103 GBP