Round|Natural|GIA

6.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5221202087

Certificate GIA 5221202087

Diamond specifications and retailer prices

From $135,348 AUD
As of November 6, 2026
Save $48,030 AUD (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $183,378 AUD 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 $135,348 to $183,378, a $48,030 spread on the same certified stone. Yorxs lists it at $183,378. 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: $165,730 AUD|Low: $135,348 AUD|High: $190,375 AUD|Avg: $157,329 AUD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 4$135,348 AUD
Retailer 3$141,307 AUD
Retailer 2$148,144 AUD
Retailer 1$165,730 AUD
Yorxs$183,378 AUD

38 data points across 5 retailers

7 retailers$135,348 AUD to $183,378 AUD

B+
Cheapest Retailer
-
$135,348 AUD
B+
Retailer 2
-
$141,307 AUD
View
B
Retailer 3
-
$148,144 AUD
View
Retailer 4
-
$148,144 AUD
View
Price last confirmed 21 days ago
Retailer 5
-
$148,144 AUD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$165,730 AUD
View
Most Expensive
B
Yorxs
G1360 · Nov 5
$183,378 AUD
€122,258 EUR
View
6 more retailers have this diamond
Prices start from $135,348 AUDSave up to $48,030 AUD

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
$135,348 AUD