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Round|Natural|GIA

3.05ct I SI2 Round Natural Diamond

ID • I/SI2 • GIA 77

Certificate GIA 77

Diamond specifications and retailer prices

From $47,888 CAD
As of November 4, 2026
Save $7,783 CAD (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $55,671 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $47,888 to $55,671, a $7,783 spread on the same certified stone. Blue Nile lists it at $55,671. 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

3.05
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 77
Dimensions9.31 × 9.36 × 5.72 mm
L/W Ratio1.01
Top View
9.31 mm9.36 mm3.05 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 77
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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 4
Current: $55,671 CAD|Low: $47,888 CAD|High: $55,671 CAD|Avg: $50,593 CAD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$47,888 CAD
Retailer 3$50,758 CAD
Blue Nile$55,671 CAD

2 data points across 3 retailers

3 retailers$47,888 CAD to $55,671 CAD

B+
Cheapest Retailer
-
$47,888 CAD
B
Retailer 2
-
$50,758 CAD
View
Most Expensive
B
Blue Nile
14974596 · Nov 5
$55,671 CAD
$39,862 USD
View
2 more retailers have this diamond
Prices start from $47,888 CADSave up to $7,783 CAD

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+
3.05ct Round
$47,888 CAD