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Round|Natural|GIA

2.50ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 5556971344

Certificate GIA 5556971344

Diamond specifications and retailer prices

From $17,267 NZD
SGD 13,151 SGD
As of October 30, 2026
Save $9,871 NZD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,138 NZD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5556971344. Listed at 13 retailers as of October 30, 2026, with prices from $17,267 to $27,138, a $9,871 spread on the same certified stone. Helzberg Diamonds lists it at $27,138. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.50
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5556971344
Dimensions8.44 × 8.48 × 5.46 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.44 mm8.48 mm2.50 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556971344
Side View
Table 55.0%Crown 37.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.6%

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 30
Current: $27,138 NZD|Low: $17,267 NZD|High: $27,817 NZD|Avg: $21,464 NZD|-2.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 8$17,267 NZD
Retailer 10$17,830 NZD
Retailer 12$18,739 NZD
Retailer 6$18,841 NZD
Retailer 5$18,893 NZD
Retailer 9$19,086 NZD
Retailer 11$20,095 NZD
Retailer 4$21,967 NZD
Retailer 7$22,144 NZD
Retailer 13$22,177 NZD
Retailer 3$22,966 NZD
Retailer 2$25,449 NZD
Helzberg Diamonds$27,138 NZD

25 data points across 13 retailers

13 retailers$17,267 NZD to $27,138 NZD

A
Cheapest Retailer
-
$17,267 NZD
SGD 13,151 SGD
A
Retailer 2
-
$17,830 NZD
$10,049 USD
View
A
Retailer 3
-
$18,739 NZD
$10,561 USD
View
A
Retailer 4
-
$18,841 NZD
£8,361 GBP
View
A
Retailer 5
-
$18,893 NZD
$10,648 USD
View
A
Retailer 6
-
$19,086 NZD
$10,757 USD
View
A
Retailer 7
-
$20,095 NZD
SGD 15,305 SGD
View
A
Retailer 8
-
$21,967 NZD
$12,381 USD
View
A
Retailer 9
-
$22,144 NZD
€11,886 EUR
View
A
Retailer 10
-
$22,177 NZD
$12,499 USD
View
B+
Retailer 11
-
$22,966 NZD
$12,944 USD
View
B+
Retailer 12
-
$25,449 NZD
$14,343 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRLLLMPNHJKK · Oct 31
$27,138 NZD
$15,295 USD
View
12 more retailers have this diamond
Prices start from $17,267 NZDSave up to $9,871 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
$17,267 NZD