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Round|Natural|GIA

1.51ct H VS1 Round Natural Diamond

VG • H/VS1 • GIA 6481921061

Certificate GIA 6481921061

Diamond specifications and retailer prices

From $7,965 AUD
As of November 4, 2026
Save $9,912 AUD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,878 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 6481921061. Listed at 19 retailers as of November 4, 2026, with prices from $7,965 to $17,878, a $9,912 spread on the same certified stone. Diamond Quarter lists it at $17,878. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6481921061
Dimensions7.14 × 7.09 × 4.60 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.14 mm7.09 mm1.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6481921061
Side View
Table 57.0%Crown 38°Girdle: ThickPavilion 40.2°Culet: NoneDepth 64.6%

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: $9,510 AUD|Low: $7,965 AUD|High: $18,121 AUD|Avg: $10,582 AUD|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 5$7,965 AUD
Retailer 4$7,992 AUD
Retailer 6$8,431 AUD
Retailer 15$8,492 AUD
Retailer 7$9,075 AUD
Retailer 10$9,114 AUD
Retailer 2$9,134 AUD
Retailer 3$9,134 AUD
Retailer 18$9,134 AUD
Retailer 1$9,510 AUD
Retailer 13$10,039 AUD
Retailer 8$10,445 AUD
Retailer 17$10,538 AUD
Retailer 12$10,954 AUD
Retailer 9$11,939 AUD
Retailer 11$12,301 AUD
Retailer 14$14,852 AUD
Retailer 16$16,862 AUD

30 data points across 18 retailers

19 retailers$7,965 AUD to $17,878 AUD

A
Cheapest Retailer
-
$7,965 AUD
A
Retailer 2
-
$7,992 AUD
View
A
Retailer 3
-
$8,431 AUD
View
Final sale: no returns
A
Retailer 4
-
$8,492 AUD
View
A
Retailer 5
-
$9,075 AUD
View
A
Retailer 6
-
$9,114 AUD
View
A
Retailer 7
-
$9,134 AUD
View
Retailer 8
-
$9,134 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$9,134 AUD
View
A
Retailer 10
-
$9,510 AUD
View
A
Retailer 11
-
$10,039 AUD
View
Retailer 12
-
$10,445 AUD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$10,538 AUD
View
B+
Retailer 14
-
$10,954 AUD
View
Retailer 15
-
$11,939 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
$12,301 AUD
View
B
Retailer 17
-
$14,852 AUD
View
B
Retailer 18
-
$16,862 AUD
View
Most Expensive
B
Diamond Quarter
1.51VS1H64616B31N · Nov 5
$17,878 AUD
£9,854 GBP
View
18 more retailers have this diamond
Prices start from $7,965 AUDSave up to $9,912 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
$7,965 AUD