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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 $15,116 AUD
$10,618 USD
As of October 30, 2026
Save $10,908 AUD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $26,024 AUD 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 $15,116 to $26,024, a $10,908 spread on the same certified stone. MOH London lists it at $26,024. 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: $26,024 AUD|Low: $13,493 AUD|High: $26,024 AUD|Avg: $17,675 AUD|+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
October 30, 2026
Retailer 5$15,116 AUD
Retailer 21$15,378 AUD
Retailer 11$15,715 AUD
Retailer 6$15,835 AUD
Retailer 17$15,875 AUD
Retailer 2$15,880 AUD
Retailer 4$16,574 AUD
Retailer 9$16,989 AUD
Retailer 10$17,026 AUD
Retailer 3$17,688 AUD
Retailer 13$17,802 AUD
Retailer 7$18,400 AUD
Retailer 12$18,404 AUD
Retailer 16$18,520 AUD
Retailer 8$19,233 AUD
Retailer 18$19,233 AUD
Retailer 20$19,873 AUD
Retailer 14$20,019 AUD
Retailer 19$20,227 AUD
Retailer 15$20,730 AUD
MOH London$26,024 AUD

28 data points across 21 retailers

22 retailers$15,116 AUD to $26,024 AUD

A
Cheapest Retailer
-
$15,116 AUD
$10,618 USD
A
Retailer 2
-
$15,378 AUD
$10,802 USD
View
A
Retailer 3
-
$15,835 AUD
$11,123 USD
View
B+
Retailer 4
-
$15,875 AUD
$11,152 USD
View
B+
Retailer 5
-
$15,880 AUD
₹1,062,354 INR
View
B+
Retailer 6
-
$16,574 AUD
$11,642 USD
View
Final sale: no returns
B+
Retailer 7
-
$16,668 AUD
$11,708 USD
View
Retailer 8
-
$16,989 AUD
$11,934 USD
View
Price last confirmed 23 days ago
Retailer 9
-
$17,026 AUD
$11,960 USD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$17,688 AUD
$12,425 USD
View
B+
Retailer 11
-
$17,802 AUD
£9,846 GBP
View
B+
Retailer 12
-
$18,400 AUD
$12,925 USD
View
Retailer 13
-
$18,404 AUD
$12,928 USD
View
Price last confirmed 23 days ago
Retailer 14
-
$18,688 AUD
$13,127 USD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
$19,233 AUD
$13,510 USD
View
B+
Retailer 16
-
$19,233 AUD
$13,510 USD
View
B+
Retailer 17
-
$19,873 AUD
$13,960 USD
View
B+
Retailer 18
-
$20,227 AUD
$14,208 USD
View
B+
Retailer 19
-
$20,730 AUD
€13,868 EUR
View
Retailer 20
-
$21,236 AUD
$14,917 USD
View
Price last confirmed 32 days ago
Retailer 21
-
$25,652 AUD
$18,019 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
4B1553D39 · Oct 29
$26,024 AUD
£14,394 GBP
View
21 more retailers have this diamond
Prices start from $15,116 AUDSave up to $10,908 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
$15,116 AUD