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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 $2,319 NZD
$1,305 USD
As of November 2, 2026
Save $2,616 NZD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,935 NZD 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 $2,319 to $4,935, a $2,616 spread on the same certified stone. Diamond Quarter lists it at $4,935. 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: $3,281 NZD|Low: $2,108 NZD|High: $3,753 NZD|Avg: $2,928 NZD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$2,319 NZD
Retailer 4$2,456 NZD
Retailer 1$3,281 NZD
Retailer 2$3,736 NZD

34 data points across 4 retailers

7 retailers$2,319 NZD to $4,935 NZD

B
Cheapest Retailer
-
$2,319 NZD
$1,305 USD
Final sale: no returns
B
Retailer 2
-
$2,456 NZD
$1,382 USD
View
B
Retailer 3
-
$2,551 NZD
A$2,208 AUD
View
C
Retailer 4
-
$3,281 NZD
£1,454 GBP
View
C
Retailer 5
-
$3,386 NZD
$1,905 USD
View
C
Retailer 6
-
$3,736 NZD
€2,002 EUR
View
Most Expensive
C
Diamond Quarter
0.66SI2G227365B7N · Nov 2
$4,935 NZD
£2,187 GBP
View
6 more retailers have this diamond
Prices start from $2,319 NZDSave up to $2,616 NZD

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
$2,319 NZD