Round|Natural|GIA

1.51ct D VS1 Round Natural Diamond

EX • D/VS1 • GIA 6535748906

Certificate GIA 6535748906

Diamond specifications and retailer prices

From $15,032 AUD
As of November 4, 2026
Save $11,629 AUD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $28,529 AUD at NZ Jewellers · As of September 21, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6535748906. Listed at 19 retailers as of November 4, 2026, with a 77% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6535748906
Dimensions7.34 × 7.30 × 4.58 mm
L/W Ratio1.01
Top View
7.34 mm7.30 mm1.51 ctD / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535748906
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: $18,222 AUD|Low: $15,032 AUD|High: $27,053 AUD|Avg: $19,069 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7$15,032 AUD
Retailer 12$15,643 AUD
Retailer 11$16,403 AUD
Retailer 4$16,857 AUD
Retailer 2$17,117 AUD
Retailer 1$18,222 AUD
Retailer 3$18,543 AUD
Retailer 10$18,630 AUD
Retailer 6$18,925 AUD
Retailer 9$21,478 AUD
Retailer 8$25,013 AUD
Retailer 5$26,661 AUD

30 data points across 12 retailers

19 retailers$15,032 AUD to $26,661 AUD

A
Cheapest Retailer
-
$15,032 AUD
Retailer 2
-
$15,643 AUD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$15,881 AUD
View
A
Retailer 4
-
$16,403 AUD
View
Final sale: no returns
A
Retailer 5
-
$16,857 AUD
View
Retailer 6
-
$17,117 AUD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$18,222 AUD
View
Retailer 8
-
$18,268 AUD
View
Price last confirmed 11 days ago
Retailer 9
-
$18,543 AUD
View
Price last confirmed 10 days ago
Retailer 10
-
$18,543 AUD
View
Price last confirmed 43 days ago
Retailer 11
-
$18,630 AUD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
$18,925 AUD
View
Retailer 13
-
$18,925 AUD
View
Price last confirmed 15 days ago
Retailer 14
-
$19,257 AUD
View
Price last confirmed 44 days ago
Retailer 15
-
$20,172 AUD
View
Price last confirmed 8 days ago
Retailer 16
-
$21,478 AUD
View
Price last confirmed 10 days ago
Retailer 17
-
$25,013 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$26,661 AUD
View
Most Expensive
NZ Jewellers
3e851f51-5612-4e10-b2f9-dd8a351064cc · Sep 21
$28,529 AUD
$20,013 USD
View
Price last confirmed 44 days ago
18 more retailers have this diamond
Prices start from $15,032 AUDSave up to $11,629 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
$15,032 AUD