Round|Natural|GIA

3.06ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7558532785

Certificate GIA 7558532785

Diamond specifications and retailer prices

From $18,965 USD
As of November 6, 2026
Save $9,187 USD (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $28,152 USD at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

About this 3.06ct natural round diamond

This 3.06ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558532785. Listed at 10 retailers as of November 6, 2026, with prices from $18,965 to $28,152, a $9,187 spread on the same certified stone. Cape Diamonds lists it at $28,152. 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

3.06
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7558532785
Dimensions9.20 × 9.27 × 5.78 mm
L/W Ratio1.01
Top View
9.20 mm9.27 mm3.06 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558532785
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: 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: $28,152 USD|Low: $16,580 USD|High: $28,933 USD|Avg: $21,838 USD|+18.8%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3$16,580 USD
Retailer 5$18,440 USD
Retailer 4$18,965 USD
Retailer 13$19,386 USD
Retailer 7$20,103 USD
Retailer 8$20,520 USD
Retailer 11$21,181 USD
Retailer 2$21,698 USD
Retailer 10$22,924 USD
Retailer 6$24,442 USD
Retailer 9$25,360 USD
Retailer 12$27,247 USD
Cape Diamonds$28,152 USD

23 data points across 13 retailers

10 retailers$18,965 USD to $28,152 USD

Retailer 1
-
$16,580 USD
Price last confirmed 42 days ago
A
Retailer 2
-
$18,965 USD
View
A
Retailer 3
-
$20,103 USD
View
A
Retailer 4
-
$20,520 USD
View
A
Retailer 5
-
$21,698 USD
View
B+
Retailer 6
-
$22,924 USD
View
B+
Retailer 7
-
$24,442 USD
View
Retailer 8
-
$24,454 USD
View
Price last confirmed 40 days ago
B+
Retailer 9
-
$25,360 USD
View
Most Expensive
B
Cape Diamonds
cert_7558532785 · Nov 6
$28,152 USD
ZAR 454,801 ZAR
View
9 more retailers have this diamond
Prices start from $18,965 USDSave up to $9,187 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
3.06ct Round
$18,965 USD