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0.63ct K SI2 Round Natural Diamond

GD • K/SI2 • GIA 6551801692

Shape and cutting style on the report: Trapezoid

Certificate GIA 6551801692

Diamond specifications and retailer prices

From £1,370 GBP
As of November 6, 2026
Save £319 GBP (19%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,903 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 0.63ct natural round diamond

This 0.63ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 6551801692. Listed at 5 retailers as of November 6, 2026, with a relatively tight 23% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.63
Carat
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551801692
Dimensions6.56 × 4.11 × 2.66 mm
L/W Ratio1.60
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal
Top View
6.56 mm4.11 mm0.63 ctK / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551801692
Side View
Table 77.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 40.5%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 6
Current: £1,689 GBP|Low: £1,370 GBP|High: £2,459 GBP|Avg: £1,690 GBP|-13.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 6, 2026
Retailer 2£1,370 GBP
Retailer 3£1,430 GBP
Retailer 4£1,451 GBP
Retailer 1£1,689 GBP
Retailer 5£1,839 GBP
Wholesale Diamonds Direct£1,903 GBP

26 data points across 6 retailers

5 retailers£1,370 GBP to £1,689 GBP

C
Cheapest Retailer
-
£1,370 GBP
C
Retailer 2
-
£1,430 GBP
View
C
Retailer 3
-
£1,689 GBP
View
Retailer 4
-
£1,839 GBP
View
Price under review
Most Expensive
Wholesale Diamonds Direct
258656669 · Nov 4
£1,903 GBP
$2,561 USD
View
Price under review
4 more retailers have this diamond
Prices start from £1,370 GBPSave up to £319 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.

C
0.63ct Round
£1,370 GBP