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Oval|Natural|GIA

1.51ct I IF Oval Natural Diamond

EX • I/IF • GIA 2564830196

Certificate GIA 2564830196

Diamond specifications and retailer prices

From $11,332 AUD
As of November 6, 2026
Save $6,874 AUD (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $18,206 AUD at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564830196. Listed at 5 retailers as of November 6, 2026, with prices from $11,332 to $18,206, a $6,874 spread on the same certified stone. With Clarity lists it at $18,206. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.92°
Pavilion angle39.97°
OriginNatural
Grading LabGIA
CertificateGIA 2564830196
Dimensions8.89 × 6.40 × 4.02 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.89 mm6.40 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564830196
Side View
Table 60.0%Crown 41.92°Girdle: MED-THKPavilion 39.97°Culet: NoneDepth 62.8%

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 6
Current: $11,332 AUD|Low: $11,332 AUD|High: $18,206 AUD|Avg: $14,231 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
With Clarity
November 6, 2026
Retailer 1$11,332 AUD
Retailer 4$13,109 AUD
Retailer 2$13,538 AUD
Retailer 3$14,973 AUD
With Clarity$18,206 AUD

1 data point across 5 retailers

5 retailers$11,332 AUD to $18,206 AUD

A
Cheapest Retailer
-
$11,332 AUD
B+
Retailer 2
-
$13,109 AUD
View
B+
Retailer 3
-
$13,538 AUD
View
B+
Retailer 4
-
$14,973 AUD
View
Most Expensive
B
With Clarity
2564830196 · Nov 6
$18,206 AUD
$12,509 USD
View
4 more retailers have this diamond
Prices start from $11,332 AUDSave up to $6,874 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
1.51ct Oval
$11,332 AUD