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Round|Natural|GIA

2.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6562605145

Certificate GIA 6562605145

Diamond specifications and retailer prices

From $22,235 NZD
SGD 16,935 SGD
As of October 31, 2026
Save $20,339 NZD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $42,574 NZD at With Clarity · As of November 1, 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 31, 2026, with prices from $22,235 to $42,574, a $20,339 spread on the same certified stone. With Clarity lists it at $42,574. 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: $35,016 NZD|Low: $23,756 NZD|High: $42,574 NZD|Avg: $29,061 NZD
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
November 1, 2026
Retailer 7$23,756 NZD
Retailer 9$24,516 NZD
Retailer 10$25,246 NZD
Retailer 6$25,283 NZD
Retailer 8$25,408 NZD
Retailer 2$25,993 NZD
Retailer 3$26,022 NZD
Retailer 4$29,393 NZD
Retailer 11$29,890 NZD
Retailer 5$30,255 NZD
Retailer 12$30,678 NZD
Retailer 1$35,016 NZD
With Clarity$42,574 NZD

16 data points across 13 retailers

14 retailers$22,235 NZD to $42,574 NZD

A
Cheapest Retailer
-
$22,235 NZD
SGD 16,935 SGD
B+
Retailer 2
-
$23,756 NZD
SGD 18,093 SGD
View
B+
Retailer 3
-
$24,516 NZD
$13,817 USD
View
B+
Retailer 4
-
$25,246 NZD
$14,229 USD
View
B+
Retailer 5
-
$25,283 NZD
£11,220 GBP
View
B+
Retailer 6
-
$25,408 NZD
$14,320 USD
View
B+
Retailer 7
-
$25,993 NZD
$14,650 USD
View
B+
Retailer 8
-
$26,022 NZD
$14,666 USD
View
B+
Retailer 9
-
$29,393 NZD
$16,566 USD
View
B
Retailer 10
-
$29,890 NZD
$16,846 USD
View
B+
Retailer 11
-
$30,255 NZD
€16,240 EUR
View
B
Retailer 12
-
$30,678 NZD
$17,290 USD
View
B
Retailer 13
-
$35,016 NZD
$19,735 USD
View
Most Expensive
B
With Clarity
6562605145 · Nov 1
$42,574 NZD
$23,995 USD
View
13 more retailers have this diamond
Prices start from $22,235 NZDSave up to $20,339 NZD

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
$22,235 NZD