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Round|Natural|GIA

1.55ct I IF Round Natural Diamond

EX • I/IF • GIA 5503816886

Certificate GIA 5503816886

Diamond specifications and retailer prices

From $12,802 AUD
As of November 4, 2026
Save $6,478 AUD (34%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,632 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct 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 5503816886. Listed at 10 retailers as of November 4, 2026, with a 51% 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

1.55
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5503816886
Dimensions7.37 × 7.43 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.37 mm7.43 mm1.55 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5503816886
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: $13,438 AUD|Low: $12,525 AUD|High: $19,565 AUD|Avg: $14,743 AUD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$12,802 AUD
Retailer 1$13,438 AUD
Retailer 5$13,662 AUD
Retailer 8$13,664 AUD
Retailer 2$14,642 AUD
Retailer 9$14,926 AUD
Retailer 6$15,031 AUD
Retailer 4$15,545 AUD
Retailer 3$19,280 AUD

22 data points across 9 retailers

10 retailers$12,802 AUD to $19,280 AUD

A
Cheapest Retailer
-
$12,802 AUD
A
Retailer 2
-
$13,438 AUD
View
B+
Retailer 3
-
$13,662 AUD
View
Final sale: no returns
B+
Retailer 4
-
$14,642 AUD
View
Retailer 5
-
$14,802 AUD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$14,926 AUD
View
B+
Retailer 7
-
$15,545 AUD
View
Retailer 8
-
$17,079 AUD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
$19,280 AUD
View
Most Expensive
NZ Jewellers
70b17b97-a1dc-4d1f-8f45-1c989d1e09be · Sep 28
$20,632 AUD
$14,443 USD
View
Price last confirmed 38 days ago
9 more retailers have this diamond
Prices start from $12,802 AUDSave up to $6,478 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
1.55ct Round
$12,802 AUD