Round|Natural|GIA

2.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6445645038

Certificate GIA 6445645038

Diamond specifications and retailer prices

From $40,537 AUD
$28,475 USD
As of October 31, 2026
Save $29,375 AUD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $69,912 AUD at MOH London · As of November 1, 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 31, 2026, with prices from $40,537 to $69,912, a $29,375 spread on the same certified stone. MOH London lists it at $69,912. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $69,912 AUD|Low: $39,170 AUD|High: $70,755 AUD|Avg: $49,125 AUD|-1.1%
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
November 1, 2026
Retailer 3$39,170 AUD
Retailer 5$40,756 AUD
Retailer 6$44,194 AUD
Retailer 7$44,571 AUD
Retailer 9$44,730 AUD
Retailer 11$44,765 AUD
Retailer 4$45,461 AUD
Retailer 14$46,630 AUD
Retailer 12$47,003 AUD
Retailer 13$48,495 AUD
Retailer 8$50,086 AUD
Retailer 15$50,361 AUD
Retailer 2$54,075 AUD
Retailer 10$61,900 AUD
MOH London$69,912 AUD

29 data points across 15 retailers

22 retailers$40,537 AUD to $69,912 AUD

Retailer 1
-
$39,170 AUD
$27,515 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
$40,537 AUD
$28,475 USD
View
B+
Retailer 3
-
$40,756 AUD
$28,629 USD
View
Retailer 4
-
$44,194 AUD
View
Price last confirmed 34 days ago
B
Retailer 5
-
$44,571 AUD
$31,309 USD
View
B
Retailer 6
-
$44,730 AUD
£24,740 GBP
View
B
Retailer 7
-
$44,765 AUD
$31,445 USD
View
B
Retailer 8
-
$45,461 AUD
$31,934 USD
View
Retailer 9
-
$45,461 AUD
$31,934 USD
View
Price last confirmed 18 days ago
Retailer 10
-
$45,461 AUD
$31,934 USD
View
Price last confirmed 34 days ago
B
Retailer 11
-
$46,068 AUD
$32,360 USD
View
B
Retailer 12
-
$46,068 AUD
$32,360 USD
View
B
Retailer 13
-
$46,630 AUD
$32,755 USD
View
B
Retailer 14
-
$47,003 AUD
$33,017 USD
View
B
Retailer 15
-
$47,605 AUD
$33,440 USD
View
B
Retailer 16
-
$47,862 AUD
$33,620 USD
View
B
Retailer 17
-
$48,495 AUD
$34,065 USD
View
B
Retailer 18
-
$50,086 AUD
£27,703 GBP
View
B
Retailer 19
-
$50,361 AUD
$35,376 USD
View
B
Retailer 20
-
$54,075 AUD
€36,176 EUR
View
B
Retailer 21
-
$61,900 AUD
ZAR 702,447 ZAR
View
Most Expensive
B
MOH London
6C4F70D27 · Nov 1
$69,912 AUD
£38,669 GBP
View
21 more retailers have this diamond
Prices start from $40,537 AUDSave up to $29,375 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+
2.60ct Round
$40,537 AUD