CaratHunter
Plans
Round|Natural|GIA

0.66ct N SI2 Round Natural Diamond

VG • N/SI2 • GIA 5192631919

Certificate GIA 5192631919

Diamond specifications and retailer prices

From $690 AUD
As of November 5, 2026
Save $1,697 AUD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,387 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded N colour (tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5192631919. Listed at 7 retailers as of November 4, 2026, with prices from $690 to $2,387, a $1,697 spread on the same certified stone. NZ Jewellers lists it at $2,387. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.66
Carat
N
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5192631919
Dimensions5.65 × 5.66 × 3.45 mm
L/W Ratio1.00
Star length55%
Lower girdle85%
Top View
5.65 mm5.66 mm0.66 ctN / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5192631919
Side View
Table 57.0%Crown 35°Girdle: THN-MEDPavilion 41°Culet: Very SmallDepth 60.9%

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: $2,387 AUD|Low: $588 AUD|High: $2,387 AUD|Avg: $1,019 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$588 AUD
Retailer 4$690 AUD
Retailer 3$742 AUD
Retailer 6$742 AUD
Retailer 5$796 AUD
Retailer 7$1,045 AUD
Retailer 2$1,128 AUD
NZ Jewellers$2,387 AUD

15 data points across 8 retailers

7 retailers$690 AUD to $2,387 AUD

B+
Cheapest Retailer
-
$690 AUD
Retailer 2
-
$742 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$742 AUD
View
B
Retailer 4
-
$796 AUD
View
B
Retailer 5
-
$1,045 AUD
View
B
Retailer 6
-
$1,128 AUD
View
Most Expensive
C
NZ Jewellers
3d12d1de-3162-4edd-8e8f-d8dc419d9c87 · Nov 4
$2,387 AUD
$1,640 USD
View
6 more retailers have this diamond
Prices start from $690 AUDSave up to $1,697 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
$690 AUD