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Round|Natural|GIA

2.09ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6561589050

Certificate GIA 6561589050

Diamond specifications and retailer prices

From $12,047 AUD
As of November 5, 2026
Save $5,341 AUD (31%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $17,387 AUD at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

About this 2.09ct natural round diamond

This 2.09ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561589050. Listed at 9 retailers as of November 5, 2026, with prices from $12,047 to $17,387, a $5,341 spread on the same certified stone. Cape Diamonds lists it at $17,387. 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

2.09
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561589050
Dimensions8.07 × 8.12 × 5.07 mm
L/W Ratio1.01
Top View
8.07 mm8.12 mm2.09 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561589050
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $17,387 AUD|Low: $11,765 AUD|High: $17,387 AUD|Avg: $13,248 AUD
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$12,047 AUD
Retailer 3$12,059 AUD
Retailer 5$13,066 AUD
Retailer 9$13,391 AUD
Retailer 6$13,615 AUD
Retailer 7$13,835 AUD
Retailer 4$14,489 AUD
Retailer 2$15,936 AUD
Cape Diamonds$17,387 AUD

7 data points across 9 retailers

9 retailers$12,047 AUD to $17,387 AUD

A
Cheapest Retailer
-
$12,047 AUD
A
Retailer 2
-
$12,059 AUD
View
B+
Retailer 3
-
$13,066 AUD
View
B+
Retailer 4
-
$13,391 AUD
View
B+
Retailer 5
-
$13,615 AUD
View
B+
Retailer 6
-
$13,835 AUD
View
B+
Retailer 7
-
$14,489 AUD
View
B
Retailer 8
-
$15,936 AUD
View
Most Expensive
B
Cape Diamonds
cert_6561589050 · Nov 6
$17,387 AUD
ZAR 196,634 ZAR
View
8 more retailers have this diamond
Prices start from $12,047 AUDSave up to $5,341 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.

A
2.09ct Round
$12,047 AUD