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Round|Natural|GIA

1.50ct I IF Round Natural Diamond

EX • I/IF • GIA 2554231890

Certificate GIA 2554231890

Diamond specifications and retailer prices

From $9,215 AUD
As of November 4, 2026
Save $8,292 AUD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $20,700 AUD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 2554231890. Listed at 17 retailers as of November 4, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2554231890
Dimensions7.27 × 7.33 × 4.51 mm
L/W Ratio1.01
Top View
7.27 mm7.33 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554231890
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.8%

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 4
Current: $20,700 AUD|Low: $9,215 AUD|High: $20,700 AUD|Avg: $12,650 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 9$9,215 AUD
Retailer 7$9,330 AUD
Retailer 12$9,670 AUD
Retailer 3$9,900 AUD
Retailer 10$10,632 AUD
Retailer 13$10,935 AUD
Retailer 4$11,839 AUD
Retailer 2$12,244 AUD
Retailer 5$12,377 AUD
Retailer 6$12,759 AUD
Retailer 11$14,569 AUD
Retailer 8$17,203 AUD
NZ Jewellers$20,700 AUD

31 data points across 13 retailers

17 retailers$9,215 AUD to $17,508 AUD

A
Cheapest Retailer
-
$9,215 AUD
A
Retailer 2
-
$9,330 AUD
View
Retailer 3
-
$9,670 AUD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$9,900 AUD
View
Final sale: no returns
A
Retailer 5
-
$10,508 AUD
View
Retailer 6
-
$10,517 AUD
View
Price last confirmed 26 days ago
Retailer 7
-
$10,632 AUD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$10,932 AUD
View
A
Retailer 9
-
$10,935 AUD
View
Retailer 10
-
$11,839 AUD
View
Price last confirmed 33 days ago
A
Retailer 11
-
$12,244 AUD
View
Retailer 12
-
$12,377 AUD
View
Price last confirmed 17 days ago
Retailer 13
-
$12,568 AUD
View
Price last confirmed 22 days ago
A
Retailer 14
-
$12,759 AUD
View
B+
Retailer 15
-
$17,203 AUD
View
B+
Retailer 16
-
$17,508 AUD
View
Most Expensive
NZ Jewellers
07632360-c1db-4a1c-9ccd-0d2555eb78f5 · Oct 17
$20,700 AUD
$14,491 USD
View
Price last confirmed 19 days ago
16 more retailers have this diamond
Prices start from $9,215 AUDSave up to $8,292 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
1.50ct Round
$9,215 AUD