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Round|Natural|GIA

2.50ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 2557703707

Certificate GIA 2557703707

Diamond specifications and retailer prices

From $18,840 NZD
$10,618 USD
As of October 30, 2026
Save $13,595 NZD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $32,435 NZD at MOH London · As of October 29, 2026
View at MOH London

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 2557703707. Listed at 22 retailers as of October 29, 2026, with prices from $18,840 to $32,435, a $13,595 spread on the same certified stone. MOH London lists it at $32,435. 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
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557703707
Dimensions8.43 × 8.47 × 5.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Knot, Feather, Cloud, Needle
Top View
8.43 mm8.47 mm2.50 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557703707
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.4%

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: $32,435 NZD|Low: $16,817 NZD|High: $32,435 NZD|Avg: $22,092 NZD|+8.3%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 5$18,840 NZD
Retailer 21$19,166 NZD
Retailer 11$19,586 NZD
Retailer 15$19,723 NZD
Retailer 6$19,736 NZD
Retailer 17$19,786 NZD
Retailer 4$20,656 NZD
Retailer 9$21,174 NZD
Retailer 10$21,221 NZD
Retailer 13$22,004 NZD
Retailer 3$22,045 NZD
Retailer 7$22,932 NZD
Retailer 12$22,938 NZD
Retailer 16$23,082 NZD
Retailer 8$23,971 NZD
Retailer 18$23,971 NZD
Retailer 20$24,769 NZD
Retailer 14$24,950 NZD
Retailer 19$25,210 NZD
Retailer 2$25,656 NZD
MOH London$32,435 NZD

29 data points across 21 retailers

22 retailers$18,840 NZD to $32,435 NZD

A
Cheapest Retailer
-
$18,840 NZD
$10,618 USD
A
Retailer 2
-
$19,166 NZD
$10,802 USD
View
B+
Retailer 3
-
$19,723 NZD
₹1,058,668 INR
View
A
Retailer 4
-
$19,736 NZD
$11,123 USD
View
B+
Retailer 5
-
$19,786 NZD
$11,152 USD
View
B+
Retailer 6
-
$20,656 NZD
$11,642 USD
View
Final sale: no returns
B+
Retailer 7
-
$20,774 NZD
$11,708 USD
View
Retailer 8
-
$21,174 NZD
$11,934 USD
View
Price last confirmed 24 days ago
Retailer 9
-
$21,221 NZD
$11,960 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
$22,004 NZD
£9,765 GBP
View
B+
Retailer 11
-
$22,045 NZD
$12,425 USD
View
B+
Retailer 12
-
$22,932 NZD
$12,925 USD
View
Retailer 13
-
$22,938 NZD
$12,928 USD
View
Price last confirmed 24 days ago
Retailer 14
-
$23,291 NZD
$13,127 USD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$23,971 NZD
$13,510 USD
View
B+
Retailer 16
-
$23,971 NZD
$13,510 USD
View
B+
Retailer 17
-
$24,769 NZD
$13,960 USD
View
B+
Retailer 18
-
$25,210 NZD
$14,208 USD
View
B+
Retailer 19
-
$25,656 NZD
€13,771 EUR
View
Retailer 20
-
$26,467 NZD
$14,917 USD
View
Price last confirmed 33 days ago
Retailer 21
-
$31,971 NZD
$18,019 USD
View
Price last confirmed 35 days ago
Most Expensive
B
MOH London
4B1553D39 · Oct 29
$32,435 NZD
£14,394 GBP
View
21 more retailers have this diamond
Prices start from $18,840 NZDSave up to $13,595 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
$18,840 NZD