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6.48ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 617465187

Shape and cutting style on the report: Round brilliant

Certificate IGI 617465187

Diamond specifications and retailer prices

From HK$546,414 HKD
£54,842 GBP
As of November 6, 2026
1 retailer carries this diamond
Only listing: HK$546,414 HKD at 77 Diamonds
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at 77 Diamonds

About this 6.48ct natural round diamond

This 6.48ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 617465187. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

6.48
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 617465187
Dimensions11.79 × 11.88 × 7.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.79 mm11.88 mm6.48 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 617465187
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$546,414 HKD|Low: HK$546,414 HKD|High: HK$651,301 HKD|Avg: HK$603,903 HKD|-5.5%
77 Diamonds
Retailer 2
November 6, 2026
77 DiamondsHK$546,414 HKD
Retailer 2HK$636,764 HKD

24 data points across 2 retailers

1 retailer

B+
77 Diamonds
RBPUIFSSSJ7F78U · Nov 6
HK$546,414 HKD
£54,842 GBP
View

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.

B+
6.48ct Round
HK$546,414 HKD