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Round|Natural|GIA

1.51ct I VS2 Round Natural Diamond

EX • I/VS2 • GIA 2566192542

Certificate GIA 2566192542

Diamond specifications and retailer prices

From $5,454 AUD
As of November 4, 2026
Save $8,656 AUD (61%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,073 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2566192542. Listed at 20 retailers as of November 1, 2026, with a 159% 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
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566192542
Dimensions7.33 × 7.37 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.33 mm7.37 mm1.51 ctI / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566192542
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.0%

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: $10,274 AUD|Low: $5,897 AUD|High: $15,482 AUD|Avg: $9,599 AUD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Wholesale Diamonds Direct
November 5, 2026
Retailer 11$5,897 AUD
Retailer 12$5,897 AUD
Retailer 10$6,091 AUD
Retailer 13$6,804 AUD
Retailer 4$8,187 AUD
Retailer 5$8,278 AUD
Retailer 14$8,556 AUD
Retailer 2$8,663 AUD
Retailer 18$8,717 AUD
Retailer 3$8,861 AUD
Retailer 15$9,274 AUD
Retailer 1$10,274 AUD
Retailer 7$10,294 AUD
Retailer 8$10,353 AUD
Retailer 17$10,396 AUD
Retailer 16$11,605 AUD
Retailer 9$13,440 AUD
Retailer 6$14,110 AUD
Wholesale Diamonds Direct$15,073 AUD

30 data points across 19 retailers

20 retailers$5,454 AUD to $14,110 AUD

A
Cheapest Retailer
-
$5,454 AUD
A
Retailer 2
-
$5,897 AUD
View
A
Retailer 3
-
$5,897 AUD
View
A
Retailer 4
-
$6,091 AUD
View
A
Retailer 5
-
$6,804 AUD
View
A
Retailer 6
-
$8,187 AUD
View
A
Retailer 7
-
$8,278 AUD
View
A
Retailer 8
-
$8,556 AUD
View
A
Retailer 9
-
$8,663 AUD
View
A
Retailer 10
-
$8,717 AUD
View
A
Retailer 11
-
$8,861 AUD
View
A
Retailer 12
-
$9,274 AUD
View
A
Retailer 13
-
$10,274 AUD
View
A
Retailer 14
-
$10,294 AUD
View
A
Retailer 15
-
$10,353 AUD
View
A
Retailer 16
-
$10,396 AUD
View
B+
Retailer 17
-
$11,605 AUD
View
B+
Retailer 18
-
$13,440 AUD
View
B+
Retailer 19
-
$14,110 AUD
View
Most Expensive
Wholesale Diamonds Direct
564860225 · Oct 26
$15,073 AUD
$10,574 USD
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from $5,454 AUDSave up to $8,656 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
$5,454 AUD