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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 $197 AUD
$138 USD
As of November 1, 2026
Save $586 AUD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $783 AUD 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 $197 to $783, a $586 spread on the same certified stone. NZ Jewellers lists it at $783. 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
Colour
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: $783 AUD|Low: $188 AUD|High: $783 AUD|Avg: $328 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 2$197 AUD
Retailer 4$228 AUD
Retailer 3$244 AUD
NZ Jewellers$783 AUD

6 data points across 4 retailers

4 retailers$197 AUD to $783 AUD

B+
Cheapest Retailer
-
$197 AUD
$138 USD
B+
Retailer 2
-
$228 AUD
$160 USD
View
B+
Retailer 3
-
$244 AUD
$171 USD
View
Most Expensive
C
NZ Jewellers
59b656a4-665e-4480-b7b7-eccad0927fa5 · Oct 30
$783 AUD
$549 USD
View
3 more retailers have this diamond
Prices start from $197 AUDSave up to $586 AUD

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
$197 AUD