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2.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6445645038

Certificate GIA 6445645038

Diamond specifications and retailer prices

From $27,515 USD
As of October 25, 2026
Save $21,858 USD (44%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $49,373 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.6ct natural round diamond

This 2.6ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6445645038. Listed at 22 retailers as of October 25, 2026, with prices from $27,515 to $49,373, a $21,858 spread on the same certified stone. MOH London lists it at $49,373. 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

2.60
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6445645038
Dimensions8.75 × 8.69 × 5.47 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
8.75 mm8.69 mm2.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6445645038
Side View
Table 58.0%Crown 36°Girdle: NUL-NULPavilion 40.8°Culet: NoneDepth 62.7%

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: Oct 25
Current: $49,373 USD|Low: $27,515 USD|High: $49,701 USD|Avg: $34,104 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 3$27,515 USD
Retailer 8$28,475 USD
Retailer 5$28,629 USD
Retailer 6$31,044 USD
Retailer 2$31,159 USD
Retailer 7$31,309 USD
Retailer 11$31,445 USD
Retailer 4$31,934 USD
Retailer 15$32,755 USD
Retailer 12$33,017 USD
Retailer 13$34,065 USD
Retailer 10$35,288 USD
Retailer 16$35,376 USD
Retailer 9$38,154 USD
Retailer 14$43,250 USD
MOH London$49,373 USD

29 data points across 16 retailers

22 retailers$27,515 USD to $49,373 USD

B+
Cheapest Retailer
-
$27,515 USD
B+
Retailer 2
-
$28,475 USD
View
B+
Retailer 3
-
$28,629 USD
View
Retailer 4
-
$31,044 USD
A$47,760 AUD
View
Price last confirmed 32 days ago
B
Retailer 5
-
$31,159 USD
£24,535 GBP
View
B
Retailer 6
-
$31,309 USD
View
B
Retailer 7
-
$31,445 USD
View
B
Retailer 8
-
$31,934 USD
View
Retailer 9
-
$31,934 USD
View
Price last confirmed 17 days ago
Retailer 10
-
$31,934 USD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$32,360 USD
View
B
Retailer 12
-
$32,360 USD
View
B
Retailer 13
-
$32,755 USD
View
B
Retailer 14
-
$33,017 USD
View
B
Retailer 15
-
$33,440 USD
View
B
Retailer 16
-
$33,620 USD
View
B
Retailer 17
-
$34,065 USD
View
B
Retailer 18
-
$35,288 USD
£27,786 GBP
View
B
Retailer 19
-
$35,376 USD
View
B
Retailer 20
-
$38,154 USD
€36,337 EUR
View
B
Retailer 21
-
$43,250 USD
ZAR 698,714 ZAR
View
Most Expensive
B
MOH London
6C4F70D27 · Oct 29
$49,373 USD
£38,876 GBP
View
21 more retailers have this diamond
Prices start from $27,515 USDSave up to $21,858 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+
2.60ct Round
$27,515 USD