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Round|Natural|GIA

1.51ct G VS2 Round Natural Diamond

ID • G/VS2 • GIA 375

Certificate GIA 375

Diamond specifications and retailer prices

From $12,060 AUD
$8,482 USD
As of October 24, 2026
Save $5,374 AUD (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $17,434 AUD at Helzberg Diamonds · As of October 27, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA. Listed at 6 retailers as of October 24, 2026, with prices from $12,060 to $17,434, a $5,374 spread on the same certified stone. Helzberg Diamonds lists it at $17,434. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 375
Dimensions7.27 × 7.32 × 4.59 mm
L/W Ratio1.01
Top View
7.27 mm7.32 mm1.51 ctG / VS2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 375
Side View
Table 58.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.6%

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: Oct 24
Current: $17,434 AUD|Low: $9,224 AUD|High: $21,107 AUD|Avg: $14,696 AUD|-3.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 8$9,224 AUD
Retailer 4$12,060 AUD
Retailer 5$12,150 AUD
Retailer 3$13,936 AUD
Retailer 2$14,353 AUD
Retailer 7$15,143 AUD
Helzberg Diamonds$17,434 AUD
Retailer 6$21,107 AUD

42 data points across 8 retailers

6 retailers$12,060 AUD to $17,434 AUD

A
Cheapest Retailer
-
$12,060 AUD
$8,482 USD
A
Retailer 2
-
$12,150 AUD
$8,545 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$13,936 AUD
$9,801 USD
View
A
Retailer 4
-
$14,353 AUD
View
B+
Retailer 5
-
$15,143 AUD
$10,650 USD
View
Price last confirmed 35 days ago
Most Expensive
B+
Helzberg Diamonds
XZRHLMPIGKGKM · Oct 27
$17,434 AUD
$12,261 USD
View
5 more retailers have this diamond
Prices start from $12,060 AUDSave up to $5,374 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
$12,060 AUD