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Round|Natural|GIA

0.65ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6565395083

Certificate GIA 6565395083

Diamond specifications and retailer prices

From £587 GBP
$786 USD
As of October 31, 2026
Save £379 GBP (39%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £966 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 6565395083. Listed at 15 retailers as of October 26, 2026, with prices from £587 to £966, a £379 spread on the same certified stone. Wholesale Diamonds Direct lists it at £966. 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
FluorescenceFaint
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565395083
Dimensions5.60 × 5.64 × 3.42 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.60 mm5.64 mm0.65 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565395083
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.9%

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 31
Current: £680 GBP|Low: £587 GBP|High: £976 GBP|Avg: £736 GBP|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Wholesale Diamonds Direct
November 2, 2026
Retailer 4£587 GBP
Retailer 2£605 GBP
Retailer 12£613 GBP
Retailer 9£634 GBP
Retailer 5£639 GBP
Retailer 11£652 GBP
Retailer 3£658 GBP
Retailer 1£680 GBP
Retailer 7£736 GBP
Retailer 13£736 GBP
Retailer 10£834 GBP
Retailer 8£853 GBP
Retailer 14£894 GBP
Retailer 6£947 GBP
Wholesale Diamonds Direct£966 GBP

25 data points across 15 retailers

15 retailers£587 GBP to £966 GBP

A
Cheapest Retailer
-
£587 GBP
$786 USD
A
Retailer 2
-
£605 GBP
$810 USD
View
A
Retailer 3
-
£613 GBP
SGD 1,110 SGD
View
A
Retailer 4
-
£634 GBP
$850 USD
View
A
Retailer 5
-
£639 GBP
SGD 1,157 SGD
View
A
Retailer 6
-
£652 GBP
$873 USD
View
A
Retailer 7
-
£658 GBP
$881 USD
View
A
Retailer 8
-
£680 GBP
View
A
Retailer 9
-
£736 GBP
$986 USD
View
A
Retailer 10
-
£736 GBP
$986 USD
View
B+
Retailer 11
-
£834 GBP
View
B+
Retailer 12
-
£853 GBP
€1,089 EUR
View
B+
Retailer 13
-
£894 GBP
$1,198 USD
View
B+
Retailer 14
-
£947 GBP
$1,269 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
464403573 · Oct 26
£966 GBP
$1,294 USD
View
14 more retailers have this diamond
Prices start from £587 GBPSave up to £379 GBP

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
£587 GBP