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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 $1,305 USD
As of November 2, 2026
Save $1,472 USD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,777 USD 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 $1,305 to $2,777, a $1,472 spread on the same certified stone. Diamond Quarter lists it at $2,777. 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
Color
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: $1,846 USD|Low: $1,186 USD|High: $2,112 USD|Avg: $1,646 USD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$1,305 USD
Retailer 4$1,382 USD
Retailer 1$1,846 USD
Retailer 2$2,102 USD

35 data points across 4 retailers

7 retailers$1,305 USD to $2,777 USD

B
Cheapest Retailer
-
$1,305 USD
Final sale: no returns
B
Retailer 2
-
$1,382 USD
View
B
Retailer 3
-
$1,435 USD
A$2,208 AUD
View
C
Retailer 4
-
$1,846 USD
£1,454 GBP
View
C
Retailer 5
-
$1,905 USD
View
C
Retailer 6
-
$2,102 USD
€2,002 EUR
View
Most Expensive
C
Diamond Quarter
0.66SI2G227365B7N · Nov 2
$2,777 USD
£2,187 GBP
View
6 more retailers have this diamond
Prices start from $1,305 USDSave up to $1,472 USD

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
$1,305 USD