Round|Natural|GIA

2.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6562605145

Certificate GIA 6562605145

Diamond specifications and retailer prices

From $17,840 AUD
SGD 16,935 SGD
As of October 31, 2026
Save $16,319 AUD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $34,159 AUD at With Clarity · As of October 30, 2026
View at With Clarity

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562605145. Listed at 14 retailers as of October 30, 2026, with prices from $17,840 to $34,159, a $16,319 spread on the same certified stone. With Clarity lists it at $34,159. 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

2.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562605145
Dimensions8.56 × 8.60 × 5.39 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.56 mm8.60 mm2.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562605145
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $28,095 AUD|Low: $19,060 AUD|High: $34,159 AUD|Avg: $23,337 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 31, 2026
Retailer 7$19,060 AUD
Retailer 9$19,670 AUD
Retailer 10$20,256 AUD
Retailer 8$20,386 AUD
Retailer 6$20,455 AUD
Retailer 2$20,856 AUD
Retailer 3$20,879 AUD
Retailer 4$23,583 AUD
Retailer 11$23,982 AUD
Retailer 5$24,447 AUD
Retailer 12$24,614 AUD
Retailer 1$28,095 AUD
With Clarity$34,159 AUD

15 data points across 13 retailers

14 retailers$17,840 AUD to $34,159 AUD

A
Cheapest Retailer
-
$17,840 AUD
SGD 16,935 SGD
B+
Retailer 2
-
$19,060 AUD
SGD 18,093 SGD
View
B+
Retailer 3
-
$19,670 AUD
$13,817 USD
View
B+
Retailer 4
-
$20,256 AUD
$14,229 USD
View
B+
Retailer 5
-
$20,386 AUD
$14,320 USD
View
B+
Retailer 6
-
$20,455 AUD
£11,314 GBP
View
B+
Retailer 7
-
$20,856 AUD
$14,650 USD
View
B+
Retailer 8
-
$20,879 AUD
$14,666 USD
View
B+
Retailer 9
-
$23,583 AUD
$16,566 USD
View
B
Retailer 10
-
$23,982 AUD
$16,846 USD
View
B
Retailer 11
-
$24,447 AUD
€16,355 EUR
View
B
Retailer 12
-
$24,614 AUD
$17,290 USD
View
B
Retailer 13
-
$28,095 AUD
$19,735 USD
View
Most Expensive
B
With Clarity
6562605145 · Oct 30
$34,159 AUD
$23,995 USD
View
13 more retailers have this diamond
Prices start from $17,840 AUDSave up to $16,319 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.

A
2.50ct Round
$17,840 AUD