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Round|Natural|GIA

0.65ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1527396415

Certificate GIA 1527396415

Diamond specifications and retailer prices

From £371 GBP
As of November 5, 2026
Save £1,036 GBP (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,407 GBP at NZ Jewellers · As of November 4, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1527396415. Listed at 13 retailers as of November 4, 2026, with prices from £371 to £1,407, a £1,036 spread on the same certified stone. NZ Jewellers lists it at £1,407. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1527396415
Dimensions5.54 × 5.51 × 3.42 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Culet sizeNone
Top View
5.54 mm5.51 mm0.65 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1527396415
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £1,407 GBP|Low: £371 GBP|High: £1,407 GBP|Avg: £632 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
November 6, 2026
Retailer 11£371 GBP
Retailer 9£389 GBP
Retailer 2£463 GBP
Retailer 10£483 GBP
Retailer 12£483 GBP
Retailer 5£499 GBP
Retailer 4£518 GBP
Retailer 7£551 GBP
Retailer 3£645 GBP
Retailer 6£658 GBP
Retailer 8£1,035 GBP
NZ Jewellers£1,407 GBP

43 data points across 12 retailers

13 retailers£371 GBP to £1,407 GBP

A
Cheapest Retailer
-
£371 GBP
A
Retailer 2
-
£389 GBP
View
A
Retailer 3
-
£463 GBP
View
Retailer 4
-
£473 GBP
View
Price last confirmed 117 days ago
A
Retailer 5
-
£483 GBP
View
Retailer 6
-
£483 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£499 GBP
View
B+
Retailer 8
-
£518 GBP
View
B+
Retailer 9
-
£551 GBP
View
B
Retailer 10
-
£645 GBP
View
B+
Retailer 11
-
£658 GBP
View
B
Retailer 12
-
£1,035 GBP
View
Most Expensive
B
NZ Jewellers
0090fc2c-a0aa-4da7-b0c8-c6b2cc3f393f · Nov 4
£1,407 GBP
$1,894 USD
View
12 more retailers have this diamond
Prices start from £371 GBPSave up to £1,036 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
£371 GBP