Round|Lab Grown

0.67ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • TA32-11-982

Diamond specifications and retailer prices

From £115 GBP
As of November 5, 2026
Save £343 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £458 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.67ct lab-grown round diamond

This 0.67ct 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. Listed at 4 retailers as of November 5, 2026, with prices from £115 to £458, a £343 spread on the same certified stone. NZ Jewellers lists it at £458. 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

0.67
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA32-11-982
Dimensions5.69 × 5.66 × 3.42 mm
L/W Ratio1.01
Top View
5.69 mm5.66 mm0.67 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateTA32-11-982
Side View
Table 60.4%CrownGirdlePavilionCuletDepth 60.3%

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: £458 GBP|Low: £110 GBP|High: £458 GBP|Avg: £211 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 2£115 GBP
Retailer 4£133 GBP
Retailer 3£143 GBP
NZ Jewellers£458 GBP

3 data points across 4 retailers

4 retailers£115 GBP to £458 GBP

B+
Cheapest Retailer
-
£115 GBP
B+
Retailer 2
-
£133 GBP
View
B+
Retailer 3
-
£143 GBP
View
Most Expensive
B
NZ Jewellers
1a3c166c-1e4e-4690-83ca-ae615e947310 · Nov 5
£458 GBP
$616 USD
View
3 more retailers have this diamond
Prices start from £115 GBPSave up to £343 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+
0.67ct Round
£115 GBP