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Round|Natural|GIA

6.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5221202087

Certificate GIA 5221202087

Diamond specifications and retailer prices

From £70,397 GBP
As of November 6, 2026
Save £24,981 GBP (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £95,378 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 6.8ct natural round diamond

This 6.8ct 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 5221202087. Listed at 7 retailers as of November 5, 2026, with prices from £70,397 to £95,378, a £24,981 spread on the same certified stone. Yorxs lists it at £95,378. 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

6.80
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5221202087
Dimensions12.29 × 12.35 × 7.38 mm
L/W Ratio1.00
Top View
12.29 mm12.35 mm6.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5221202087
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £86,199 GBP|Low: £70,397 GBP|High: £99,018 GBP|Avg: £81,830 GBP|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 4£70,397 GBP
Retailer 3£73,497 GBP
Retailer 2£77,053 GBP
Retailer 1£86,199 GBP
Yorxs£95,378 GBP

38 data points across 5 retailers

7 retailers£70,397 GBP to £95,378 GBP

B+
Cheapest Retailer
-
£70,397 GBP
B+
Retailer 2
-
£73,497 GBP
View
B
Retailer 3
-
£77,053 GBP
View
Retailer 4
-
£77,053 GBP
View
Price last confirmed 21 days ago
Retailer 5
-
£77,053 GBP
View
Price last confirmed 16 days ago
B
Retailer 6
-
£86,199 GBP
View
Most Expensive
B
Yorxs
G1360 · Nov 5
£95,378 GBP
€122,258 EUR
View
6 more retailers have this diamond
Prices start from £70,397 GBPSave up to £24,981 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.

B+
6.80ct Round
£70,397 GBP