Round|Natural|GIA

0.65ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6562718591

Certificate GIA 6562718591

Diamond specifications and retailer prices

From £554 GBP
HK$5,800 HKD
As of November 1, 2026
Save £1,762 GBP (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,316 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6562718591. Listed at 19 retailers as of October 30, 2026, with prices from £554 to £2,316, a £1,762 spread on the same certified stone. NZ Jewellers lists it at £2,316. 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
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562718591
Dimensions5.64 × 5.65 × 3.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.64 mm5.65 mm0.65 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562718591
Side View
Table 58.0%Crown 33°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 59.8%

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: Nov 1
Current: £2,316 GBP|Low: £554 GBP|High: £2,316 GBP|Avg: £980 GBP
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 6£554 GBP
Retailer 2£577 GBP
Retailer 8£681 GBP
Retailer 4£687 GBP
Retailer 17£739 GBP
Retailer 3£767 GBP
Retailer 9£772 GBP
Retailer 18£797 GBP
Retailer 16£838 GBP
Retailer 5£851 GBP
Retailer 10£852 GBP
Retailer 14£861 GBP
Retailer 12£956 GBP
Retailer 11£1,034 GBP
Retailer 15£1,103 GBP
Retailer 13£1,353 GBP
Retailer 7£1,820 GBP
NZ Jewellers£2,316 GBP

6 data points across 18 retailers

19 retailers£554 GBP to £2,316 GBP

A
Cheapest Retailer
-
£554 GBP
HK$5,800 HKD
A
Retailer 2
-
£577 GBP
₹73,690 INR
View
A
Retailer 3
-
£681 GBP
$913 USD
View
Final sale: no returns
A
Retailer 4
-
£687 GBP
$920 USD
View
A
Retailer 5
-
£696 GBP
$933 USD
View
B+
Retailer 6
-
£739 GBP
$990 USD
View
B+
Retailer 7
-
£767 GBP
$1,028 USD
View
B+
Retailer 8
-
£772 GBP
SGD 1,398 SGD
View
B+
Retailer 9
-
£797 GBP
$1,068 USD
View
B+
Retailer 10
-
£838 GBP
$1,123 USD
View
B+
Retailer 11
-
£851 GBP
$1,140 USD
View
B+
Retailer 12
-
£852 GBP
$1,142 USD
View
B+
Retailer 13
-
£861 GBP
View
B+
Retailer 14
-
£956 GBP
View
B+
Retailer 15
-
£1,034 GBP
€1,319 EUR
View
B
Retailer 16
-
£1,103 GBP
ZAR 23,876 ZAR
View
B
Retailer 17
-
£1,353 GBP
View
B
Retailer 18
-
£1,820 GBP
View
Most Expensive
B
NZ Jewellers
efb07c5d-2c35-46e1-8d30-b9e1e48fcd40 · Oct 30
£2,316 GBP
$3,103 USD
View
18 more retailers have this diamond
Prices start from £554 GBPSave up to £1,762 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
£554 GBP