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Round|Natural|GIA

2.61ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6

Certificate GIA 6

Diamond specifications and retailer prices

From $26,577 AUD
As of November 4, 2026
Save $3,734 AUD (12%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $32,303 AUD at Aurelinne · As of September 6, 2026
View at Aurelinne

About this 2.61ct natural round diamond

This 2.61ct 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. Listed at 4 retailers as of November 4, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

2.61
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6
Dimensions8.80 × 8.83 × 5.51 mm
L/W Ratio1.00
Top View
8.80 mm8.83 mm2.61 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6
Side View
Table 56.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $32,303 AUD|Low: $26,577 AUD|High: $40,677 AUD|Avg: $31,502 AUD
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 29, 2026
Retailer 7$26,577 AUD
Retailer 5$28,713 AUD
Retailer 2$30,148 AUD
Retailer 3$30,311 AUD
Retailer 6$31,106 AUD
Aurelinne$32,303 AUD
Retailer 4$40,677 AUD

2 data points across 7 retailers

4 retailers$26,577 AUD to $30,311 AUD

B
Cheapest Retailer
-
$26,577 AUD
B
Retailer 2
-
$30,311 AUD
View
Retailer 3
-
$31,106 AUD
View
Price last confirmed 60 days ago
Most Expensive
Aurelinne
03ef6b33-25db-4c03-b33a-8add146d8740 · Sep 6
$32,303 AUD
$22,613 USD
View
Price last confirmed 61 days ago
3 more retailers have this diamond
Prices start from $26,577 AUDSave up to $3,734 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
2.61ct Round
$26,577 AUD