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Round|Natural|GIA

1.51ct F VS1 Round Natural Diamond

ID • F/VS1 • GIA 148

Certificate GIA 148

Diamond specifications and retailer prices

From $17,220 NZD
As of November 1, 2026
Save $8,989 NZD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $26,209 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA. Listed at 7 retailers as of November 1, 2026, with prices from $17,220 to $26,209, a $8,989 spread on the same certified stone. Helzberg Diamonds lists it at $26,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 148
Dimensions7.31 × 7.35 × 4.56 mm
L/W Ratio1.01
Top View
7.31 mm7.35 mm1.51 ctF / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 148
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

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: $26,209 NZD|Low: $17,220 NZD|High: $27,009 NZD|Avg: $20,177 NZD|-3.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 5$17,220 NZD
Retailer 4$17,994 NZD
Retailer 6$18,095 NZD
Retailer 3$18,431 NZD
Retailer 8$19,312 NZD
Retailer 2$21,443 NZD
Retailer 7$21,446 NZD
Helzberg Diamonds$26,209 NZD

39 data points across 8 retailers

7 retailers$17,220 NZD to $26,209 NZD

A
Cheapest Retailer
-
$17,220 NZD
A
Retailer 2
-
$17,994 NZD
View
A
Retailer 3
-
$18,095 NZD
View
A
Retailer 4
-
$18,431 NZD
View
B+
Retailer 5
-
$21,443 NZD
View
B+
Retailer 6
-
$21,446 NZD
View
Most Expensive
B+
Helzberg Diamonds
XZRMIKJGLJPLH · Nov 4
$26,209 NZD
$14,733 USD
View
6 more retailers have this diamond
Prices start from $17,220 NZDSave up to $8,989 NZD

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
$17,220 NZD