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Round|Natural|GIA

0.66ct G SI2 Round Natural Diamond

GD • G/SI2 • GIA 2205062573

Certificate GIA 2205062573

Diamond specifications and retailer prices

From $1,862 AUD
$1,305 USD
As of November 2, 2026
Save $2,100 AUD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,962 AUD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 2205062573. Listed at 7 retailers as of November 2, 2026, with prices from $1,862 to $3,962, a $2,100 spread on the same certified stone. Diamond Quarter lists it at $3,962. 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
G
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle32.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2205062573
Dimensions5.70 × 5.75 × 3.39 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.70 mm5.75 mm0.66 ctG / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2205062573
Side View
Table 55.0%Crown 32.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,634 AUD|Low: $1,692 AUD|High: $3,013 AUD|Avg: $2,351 AUD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 3$1,862 AUD
Retailer 4$1,972 AUD
Retailer 1$2,634 AUD
Retailer 2$2,999 AUD

35 data points across 4 retailers

7 retailers$1,862 AUD to $3,962 AUD

B
Cheapest Retailer
-
$1,862 AUD
$1,305 USD
Final sale: no returns
B
Retailer 2
-
$1,972 AUD
$1,382 USD
View
B
Retailer 3
-
$2,048 AUD
View
C
Retailer 4
-
$2,634 AUD
£1,454 GBP
View
C
Retailer 5
-
$2,718 AUD
$1,905 USD
View
C
Retailer 6
-
$2,999 AUD
€2,002 EUR
View
Most Expensive
C
Diamond Quarter
0.66SI2G227365B7N · Nov 2
$3,962 AUD
£2,187 GBP
View
6 more retailers have this diamond
Prices start from $1,862 AUDSave up to $2,100 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
$1,862 AUD