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Round|Natural|GIA

0.65ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2547969563

Certificate GIA 2547969563

Diamond specifications and retailer prices

From £526 GBP
$704 USD
As of October 31, 2026
Save £358 GBP (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £884 GBP at Frank Darling · As of October 30, 2026
View at Frank Darling

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547969563. Listed at 14 retailers as of October 30, 2026, with prices from £526 to £884, a £358 spread on the same certified stone. Frank Darling lists it at £884. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2547969563
Dimensions5.47 × 5.51 × 3.45 mm
L/W Ratio1.01
Top View
5.47 mm5.51 mm0.65 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547969563
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: Oct 31
Current: £884 GBP|Low: £526 GBP|High: £905 GBP|Avg: £679 GBP|-2.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12£526 GBP
Retailer 13£537 GBP
Retailer 8£557 GBP
Retailer 5£573 GBP
Retailer 4£586 GBP
Retailer 11£596 GBP
Retailer 2£632 GBP
Retailer 6£660 GBP
Retailer 9£763 GBP
Retailer 7£773 GBP
Retailer 3£802 GBP
Retailer 10£854 GBP
Frank Darling£884 GBP

32 data points across 13 retailers

14 retailers£526 GBP to £884 GBP

A
Cheapest Retailer
-
£526 GBP
$704 USD
A
Retailer 2
-
£537 GBP
$720 USD
View
A
Retailer 3
-
£557 GBP
SGD 1,008 SGD
View
A
Retailer 4
-
£573 GBP
SGD 1,038 SGD
View
A
Retailer 5
-
£586 GBP
$785 USD
View
A
Retailer 6
-
£596 GBP
$798 USD
View
A
Retailer 7
-
£632 GBP
View
A
Retailer 8
-
£660 GBP
$884 USD
View
B+
Retailer 9
-
£705 GBP
$945 USD
View
B+
Retailer 10
-
£763 GBP
View
B+
Retailer 11
-
£773 GBP
€987 EUR
View
B+
Retailer 12
-
£802 GBP
$1,074 USD
View
B+
Retailer 13
-
£854 GBP
$1,144 USD
View
Most Expensive
B+
Frank Darling
2611638HK · Oct 30
£884 GBP
$1,184 USD
View
13 more retailers have this diamond
Prices start from £526 GBPSave up to £358 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
£526 GBP