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Round|Natural|GIA

1.51ct I IF Round Natural Diamond

EX • I/IF • GIA 2225638714

Certificate GIA 2225638714

Diamond specifications and retailer prices

From $11,892 AUD
As of November 1, 2026
Save $11,592 AUD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $23,485 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round 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 and certified by GIA 2225638714. Listed at 13 retailers as of November 1, 2026, with prices from $11,892 to $23,485, a $11,592 spread on the same certified stone. NZ Jewellers lists it at $23,485. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2225638714
Dimensions7.41 × 7.36 × 4.50 mm
L/W Ratio1.01
Top View
7.41 mm7.36 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2225638714
Side View
Table 59.0%Crown 34°Girdle: MED-UNDPavilion 41°Culet: NoneDepth 61.0%

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: $12,896 AUD|Low: $11,892 AUD|High: $19,805 AUD|Avg: $14,366 AUD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$11,892 AUD
Retailer 1$12,896 AUD
Retailer 9$12,961 AUD
Retailer 7$12,975 AUD
Retailer 6$13,506 AUD
Retailer 3$13,889 AUD
Retailer 4$14,455 AUD
Retailer 2$17,131 AUD
Retailer 5$19,516 AUD

34 data points across 9 retailers

13 retailers$11,892 AUD to $23,485 AUD

A
Cheapest Retailer
-
$11,892 AUD
A
Retailer 2
-
$12,896 AUD
View
A
Retailer 3
-
$12,961 AUD
View
Final sale: no returns
Retailer 4
-
$12,975 AUD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$13,506 AUD
View
B+
Retailer 6
-
$13,889 AUD
View
B+
Retailer 7
-
$14,036 AUD
View
B+
Retailer 8
-
$14,064 AUD
View
B+
Retailer 9
-
$14,455 AUD
View
B+
Retailer 10
-
$14,936 AUD
View
B+
Retailer 11
-
$17,131 AUD
View
B+
Retailer 12
-
$19,516 AUD
View
Most Expensive
B
NZ Jewellers
0827a83f-5e5f-4ba8-858d-2fd996ff87d2 · Nov 5
$23,485 AUD
$16,440 USD
View
12 more retailers have this diamond
Prices start from $11,892 AUDSave up to $11,592 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 Round
$11,892 AUD