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0.65ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1559817085

Certificate GIA 1559817085

Diamond specifications and retailer prices

From €914 EUR
$1,021 USD
As of October 28, 2026
Save €655 EUR (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,569 EUR 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 €914 to €1,569, a €655 spread on the same certified stone. Cape Diamonds lists it at €1,569. 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
Colour
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: €1,569 EUR|Low: €914 EUR|High: €1,576 EUR|Avg: €1,215 EUR|+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€914 EUR
Retailer 12€917 EUR
Retailer 11€1,077 EUR
Retailer 8€1,155 EUR
Retailer 10€1,155 EUR
Retailer 2€1,189 EUR
Retailer 9€1,190 EUR
Retailer 5€1,209 EUR
Retailer 7€1,302 EUR
Retailer 6€1,323 EUR
Retailer 3€1,354 EUR
Retailer 4€1,454 EUR
Cape Diamonds€1,569 EUR

38 data points across 13 retailers

13 retailers€914 EUR to €1,569 EUR

A
Cheapest Retailer
-
€914 EUR
$1,021 USD
Retailer 2
-
€917 EUR
$1,025 USD
View
Price last confirmed 5 days ago
B+
Retailer 3
-
€1,077 EUR
$1,203 USD
View
B
Retailer 4
-
€1,155 EUR
$1,290 USD
View
B
Retailer 5
-
€1,155 EUR
$1,290 USD
View
B+
Retailer 6
-
€1,189 EUR
£1,046 GBP
View
B+
Retailer 7
-
€1,190 EUR
$1,330 USD
View
B+
Retailer 8
-
€1,209 EUR
A$2,078 AUD
View
B
Retailer 9
-
€1,302 EUR
£1,145 GBP
View
B+
Retailer 10
-
€1,323 EUR
View
B
Retailer 11
-
€1,354 EUR
$1,513 USD
View
B
Retailer 12
-
€1,454 EUR
$1,624 USD
View
Most Expensive
B
Cape Diamonds
cert_1559817085 · Oct 26
€1,569 EUR
ZAR 28,315 ZAR
View
12 more retailers have this diamond
Prices start from €914 EURSave up to €655 EUR

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
€914 EUR