Round|Natural|GIA

6.17ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7551506335

Certificate GIA 7551506335

Diamond specifications and retailer prices

From $64,862 USD
As of November 6, 2026
Save $54,709 USD (46%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $119,571 USD at MOH London · As of November 4, 2026
View at MOH London

About this 6.17ct natural round diamond

This 6.17ct 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 GIA 7551506335. Listed at 7 retailers as of November 4, 2026, with prices from $64,862 to $119,571, a $54,709 spread on the same certified stone. MOH London lists it at $119,571. 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

6.17
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551506335
Dimensions11.61 × 11.69 × 7.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
11.61 mm11.69 mm6.17 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551506335
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 6
Current: $119,571 USD|Low: $64,862 USD|High: $121,853 USD|Avg: $80,172 USD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$64,862 USD
Retailer 5$69,024 USD
Retailer 10$69,678 USD
Retailer 6$73,313 USD
Retailer 7$75,119 USD
Retailer 2$75,585 USD
Retailer 9$76,306 USD
Retailer 4$85,391 USD
Retailer 3$88,578 USD
MOH London$119,571 USD

42 data points across 10 retailers

7 retailers$64,862 USD to $119,571 USD

A
Cheapest Retailer
-
$64,862 USD
A
Retailer 2
-
$69,024 USD
View
Retailer 3
-
$73,313 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$75,119 USD
View
B+
Retailer 5
-
$75,585 USD
View
B+
Retailer 6
-
$85,391 USD
View
Most Expensive
B
MOH London
63111AA68 · Nov 4
$119,571 USD
£94,150 GBP
View
6 more retailers have this diamond
Prices start from $64,862 USDSave up to $54,709 USD

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
6.17ct Round
$64,862 USD