Round|Natural|GIA

2.61ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6

Certificate GIA 6

Diamond specifications and retailer prices

From $18,605 USD
As of November 4, 2026
Save $2,614 USD (12%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $22,613 USD 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
Color
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: $22,613 USD|Low: $18,605 USD|High: $28,475 USD|Avg: $22,052 USD
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 29, 2026
Retailer 7$18,605 USD
Retailer 5$20,100 USD
Retailer 2$21,105 USD
Retailer 3$21,219 USD
Retailer 6$21,775 USD
Aurelinne$22,613 USD
Retailer 4$28,475 USD

2 data points across 7 retailers

4 retailers$18,605 USD to $21,219 USD

B
Cheapest Retailer
-
$18,605 USD
B
Retailer 2
-
$21,219 USD
View
Retailer 3
-
$21,775 USD
View
Price last confirmed 60 days ago
Most Expensive
Aurelinne
03ef6b33-25db-4c03-b33a-8add146d8740 · Sep 6
$22,613 USD
View
Price last confirmed 61 days ago
3 more retailers have this diamond
Prices start from $18,605 USDSave up to $2,614 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.

B
2.61ct Round
$18,605 USD