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Oval|Natural|IGI

2.50ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 706572051

Shape and cutting style on the report: Oval brilliant

Certificate IGI 706572051

Diamond specifications and retailer prices

From $15,767 AUD
$11,050 USD
As of October 28, 2026
Save $8,688 AUD (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $26,098 AUD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 2.5ct natural oval diamond

This 2.5ct natural oval sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 706572051. Listed at 15 retailers as of October 28, 2026, with a 55% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle39.2°
OriginNatural
Grading LabIGI
CertificateIGI 706572051
Dimensions10.61 × 7.58 × 4.81 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
10.61 mm7.58 mm2.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 706572051
Side View
Table 58.0%Crown 38.8°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 63.5%

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 28
Current: $19,723 AUD|Low: $15,767 AUD|High: $24,749 AUD|Avg: $19,017 AUD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$15,767 AUD
Retailer 7$16,563 AUD
Retailer 2$17,171 AUD
Retailer 8$17,284 AUD
Retailer 4$18,017 AUD
Retailer 1$19,723 AUD
Retailer 5$21,651 AUD
Retailer 3$24,455 AUD

38 data points across 8 retailers

15 retailers$15,767 AUD to $24,455 AUD

A
Cheapest Retailer
-
$15,767 AUD
$11,050 USD
B+
Retailer 2
-
$15,849 AUD
$11,107 USD
View
B+
Retailer 3
-
$16,037 AUD
$11,239 USD
View
B+
Retailer 4
-
$16,563 AUD
$11,608 USD
View
Final sale: no returns
B+
Retailer 5
-
$17,016 AUD
$11,925 USD
View
B+
Retailer 6
-
$17,171 AUD
£9,475 GBP
View
B+
Retailer 7
-
$17,284 AUD
$12,113 USD
View
B+
Retailer 8
-
$18,017 AUD
£9,942 GBP
View
Retailer 9
-
$18,724 AUD
$13,122 USD
View
Price last confirmed 37 days ago
B+
Retailer 10
-
$18,724 AUD
$13,122 USD
View
Retailer 11
-
$19,444 AUD
$13,627 USD
View
Price last confirmed 39 days ago
B+
Retailer 12
-
$19,723 AUD
€13,164 EUR
View
B
Retailer 13
-
$21,651 AUD
ZAR 245,128 ZAR
View
B
Retailer 14
-
$24,455 AUD
£13,495 GBP
View
Most Expensive
NZ Jewellers
034c9b1e-cfbd-4237-a7a6-b86de9ea4225 · Sep 26
$26,098 AUD
$18,290 USD
View
Price last confirmed 37 days ago
14 more retailers have this diamond
Prices start from $15,767 AUDSave up to $8,688 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 Oval
$15,767 AUD