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Oval|Natural|GIA

2.51ct H I1 Oval Natural Diamond

VG • H/I1 • GIA 2554583017

Certificate GIA 2554583017

Diamond specifications and retailer prices

From $18,113 AUD
HK$99,400 HKD
As of November 1, 2026
Save $7,811 AUD (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $31,644 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 2.51ct natural oval diamond

This 2.51ct natural oval sits in the two to three carat band, graded H colour (near-colourless) and I1 clarity (included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2554583017. Listed at 7 retailers as of November 1, 2026, with a 43% 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

2.51
Carat
H
Colour
I1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554583017
Dimensions10.33 × 7.51 × 4.93 mm
L/W Ratio1.38
Girdle conditionFaceted
Top View
10.33 mm7.51 mm2.51 ctH / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554583017
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.7%

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: Nov 1
Current: $25,924 AUD|Low: $18,113 AUD|High: $30,431 AUD|Avg: $23,609 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$18,113 AUD
Retailer 4$19,900 AUD
Retailer 5$19,989 AUD
Retailer 2$20,481 AUD
Retailer 6$25,831 AUD
Retailer 1$25,924 AUD
Retailer 7$30,431 AUD

27 data points across 7 retailers

7 retailers$18,113 AUD to $25,924 AUD

A
Cheapest Retailer
-
$18,113 AUD
HK$99,400 HKD
A
Retailer 2
-
$19,900 AUD
$13,979 USD
View
A
Retailer 3
-
$19,989 AUD
$14,041 USD
View
A
Retailer 4
-
$20,481 AUD
$14,387 USD
View
Final sale: no returns
Retailer 5
-
$25,831 AUD
$18,145 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$25,924 AUD
€17,343 EUR
View
Most Expensive
NZ Jewellers
dc916df0-b619-4eda-b015-81df3298c473 · Sep 30
$31,644 AUD
$22,228 USD
View
Price last confirmed 32 days ago
6 more retailers have this diamond
Prices start from $18,113 AUDSave up to $7,811 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
2.51ct Oval
$18,113 AUD