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Round|Natural|GIA

1.51ct D VVS1 Round Natural Diamond

EX • D/VVS1 • GIA 6515427049

Certificate GIA 6515427049

Diamond specifications and retailer prices

From $16,579 AUD
As of November 1, 2026
Save $9,367 AUD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,763 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6515427049. Listed at 13 retailers as of November 1, 2026, with a 57% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6515427049
Dimensions7.50 × 7.47 × 4.51 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
7.50 mm7.47 mm1.51 ctD / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6515427049
Side View
Table 59.0%Crown 32°Girdle: MED-MEDPavilion 41.8°Culet: NoneDepth 60.3%

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: $20,851 AUD|Low: $16,579 AUD|High: $26,328 AUD|Avg: $19,539 AUD|+2.3%
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 10$16,579 AUD
Retailer 4$16,777 AUD
Retailer 12$17,060 AUD
Retailer 11$17,619 AUD
Retailer 5$17,716 AUD
Retailer 7$17,843 AUD
Retailer 2$18,082 AUD
Retailer 9$18,124 AUD
Retailer 3$18,388 AUD
Retailer 1$20,851 AUD
Retailer 8$24,472 AUD
Retailer 6$25,946 AUD

38 data points across 12 retailers

13 retailers$16,579 AUD to $25,946 AUD

A
Cheapest Retailer
-
$16,579 AUD
A
Retailer 2
-
$16,777 AUD
View
A
Retailer 3
-
$17,060 AUD
View
A
Retailer 4
-
$17,619 AUD
View
Final sale: no returns
A
Retailer 5
-
$17,716 AUD
View
A
Retailer 6
-
$17,843 AUD
View
A
Retailer 7
-
$18,082 AUD
View
Retailer 8
-
$18,124 AUD
View
Price last confirmed 13 days ago
Retailer 9
-
$20,685 AUD
View
Price last confirmed 45 days ago
A
Retailer 10
-
$20,851 AUD
View
A
Retailer 11
-
$24,472 AUD
View
B+
Retailer 12
-
$25,946 AUD
View
Most Expensive
NZ Jewellers
0ff95288-03a6-4e8a-9095-17229ebe24f5 · Sep 21
$27,763 AUD
$19,476 USD
View
Price last confirmed 44 days ago
12 more retailers have this diamond
Prices start from $16,579 AUDSave up to $9,367 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
$16,579 AUD