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Oval|Natural|GIA

2.20ct K SI1 Oval Natural Diamond

ID • K/SI1 • GIA 66

Certificate GIA 66

Diamond specifications and retailer prices

From $13,253 AUD
As of November 6, 2026
Save $3,430 AUD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $16,683 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 2.2ct natural oval diamond

This 2.2ct natural oval sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 5, 2026, with prices from $13,253 to $16,683, a $3,430 spread on the same certified stone. Blue Nile lists it at $16,683. 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

2.20
Carat
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 66
Dimensions10.15 × 7.25 × 4.52 mm
L/W Ratio1.40
Top View
10.15 mm7.25 mm2.20 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 66
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $16,683 AUD|Low: $13,253 AUD|High: $16,683 AUD|Avg: $14,560 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
September 26, 2026
Retailer 2$13,253 AUD
Retailer 4$14,333 AUD
Retailer 3$15,034 AUD
Blue Nile$16,683 AUD

2 data points across 4 retailers

3 retailers$13,253 AUD to $16,683 AUD

B+
Cheapest Retailer
-
$13,253 AUD
B+
Retailer 2
-
$14,333 AUD
View
Most Expensive
B
Blue Nile
27188274 · Nov 5
$16,683 AUD
$11,463 USD
View
2 more retailers have this diamond
Prices start from $13,253 AUDSave up to $3,430 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+
2.20ct Oval
$13,253 AUD