CaratHunter
Plans
Round|Natural|GIA

1.51ct D I1 Round Natural Diamond

EX • D/I1 • GIA 2547011592

Certificate GIA 2547011592

Diamond specifications and retailer prices

From $5,048 AUD
HK$27,700 HKD
As of November 1, 2026
Save $2,594 AUD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $10,697 AUD at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2547011592. Listed at 6 retailers as of November 1, 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

1.51
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2547011592
Dimensions7.34 × 7.30 × 4.52 mm
L/W Ratio1.01
Top View
7.34 mm7.30 mm1.51 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2547011592
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°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 1
Current: $5,048 AUD|Low: $5,048 AUD|High: $11,620 AUD|Avg: $7,315 AUD|-12.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 1, 2026
Retailer 1$5,048 AUD
Retailer 4$5,772 AUD
Retailer 5$5,814 AUD
Retailer 2$6,057 AUD
Retailer 7$6,235 AUD
Retailer 8$7,280 AUD
Retailer 3$7,641 AUD
Retailer 6$9,238 AUD
Wholesale Diamonds Direct$10,697 AUD

20 data points across 9 retailers

6 retailers$5,048 AUD to $7,641 AUD

A
Cheapest Retailer
-
$5,048 AUD
HK$27,700 HKD
A
Retailer 2
-
$5,772 AUD
$4,055 USD
View
A
Retailer 3
-
$5,814 AUD
$4,084 USD
View
Final sale: no returns
A
Retailer 4
-
$6,057 AUD
$4,254 USD
View
A
Retailer 5
-
$7,641 AUD
€5,112 EUR
View
Most Expensive
Wholesale Diamonds Direct
425853453 · Oct 23
$10,697 AUD
$7,514 USD
View
Price last confirmed 9 days ago
5 more retailers have this diamond
Prices start from $5,048 AUDSave up to $2,594 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
$5,048 AUD