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Round|Lab Grown

0.66ct I I1 Round Lab Grown Diamond

EX • I/I1 • TA30-72-2698

Diamond specifications and retailer prices

From €123 EUR
$138 USD
As of November 1, 2026
Save €366 EUR (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €489 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.66ct lab-grown round diamond

This 0.66ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade. Listed at 4 retailers as of October 30, 2026, with prices from €123 to €489, a €366 spread on the same certified stone. NZ Jewellers lists it at €489. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
I
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA30-72-2698
Dimensions5.59 × 5.55 × 3.41 mm
L/W Ratio1.01
Top View
5.59 mm5.55 mm0.66 ctI / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateTA30-72-2698
Side View
Table 58.2%CrownGirdlePavilionCuletDepth 61.2%

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 1
Current: €489 EUR|Low: €118 EUR|High: €489 EUR|Avg: €205 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 2€123 EUR
Retailer 4€143 EUR
Retailer 3€152 EUR
NZ Jewellers€489 EUR

6 data points across 4 retailers

4 retailers€123 EUR to €489 EUR

B+
Cheapest Retailer
-
€123 EUR
$138 USD
B+
Retailer 2
-
€143 EUR
$160 USD
View
B+
Retailer 3
-
€152 EUR
$171 USD
View
Most Expensive
C
NZ Jewellers
59b656a4-665e-4480-b7b7-eccad0927fa5 · Oct 30
€489 EUR
$549 USD
View
3 more retailers have this diamond
Prices start from €123 EURSave up to €366 EUR

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+
0.66ct Round
€123 EUR