Round|Natural|GIA

0.65ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1559817085

Certificate GIA 1559817085

Diamond specifications and retailer prices

From $1,426 CAD
$1,021 USD
As of October 28, 2026
Save $1,022 CAD (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,448 CAD at Cape Diamonds · As of October 26, 2026
View at Cape Diamonds

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559817085. Listed at 13 retailers as of October 26, 2026, with prices from $1,426 to $2,448, a $1,022 spread on the same certified stone. Cape Diamonds lists it at $2,448. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.65
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559817085
Dimensions5.66 × 5.69 × 3.37 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.66 mm5.69 mm0.65 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559817085
Side View
Table 61.0%Crown 32.5°Girdle: MED-MEDPavilion 41.4°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,448 CAD|Low: $1,348 CAD|High: $2,459 CAD|Avg: $1,895 CAD|+2.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 28, 2026
Retailer 13$1,426 CAD
Retailer 12$1,432 CAD
Retailer 11$1,680 CAD
Retailer 8$1,802 CAD
Retailer 10$1,802 CAD
Retailer 2$1,856 CAD
Retailer 9$1,858 CAD
Retailer 5$1,887 CAD
Retailer 7$2,031 CAD
Retailer 6$2,065 CAD
Retailer 3$2,113 CAD
Retailer 4$2,269 CAD
Cape Diamonds$2,448 CAD

39 data points across 13 retailers

13 retailers$1,426 CAD to $2,448 CAD

A
Cheapest Retailer
-
$1,426 CAD
$1,021 USD
A
Retailer 2
-
$1,432 CAD
$1,025 USD
View
B+
Retailer 3
-
$1,680 CAD
$1,203 USD
View
B
Retailer 4
-
$1,802 CAD
$1,290 USD
View
B
Retailer 5
-
$1,802 CAD
$1,290 USD
View
B+
Retailer 6
-
$1,856 CAD
£1,046 GBP
View
B+
Retailer 7
-
$1,858 CAD
$1,330 USD
View
B+
Retailer 8
-
$1,887 CAD
A$2,078 AUD
View
B
Retailer 9
-
$2,031 CAD
£1,145 GBP
View
B+
Retailer 10
-
$2,065 CAD
€1,408 EUR
View
B
Retailer 11
-
$2,113 CAD
$1,513 USD
View
B
Retailer 12
-
$2,269 CAD
$1,624 USD
View
Most Expensive
B
Cape Diamonds
cert_1559817085 · Oct 26
$2,448 CAD
ZAR 28,315 ZAR
View
12 more retailers have this diamond
Prices start from $1,426 CADSave up to $1,022 CAD

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.

A
0.65ct Round
$1,426 CAD