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Round|Natural|GIA

1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1553407340

Certificate GIA 1553407340

Diamond specifications and retailer prices

From $8,318 AUD
As of November 4, 2026
Save $3,186 AUD (28%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,504 AUD at Jared · As of November 4, 2026
View at Jared

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1553407340. Listed at 9 retailers as of November 4, 2026, with prices from $8,318 to $11,504, a $3,186 spread on the same certified stone. Jared lists it at $11,504. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553407340
Dimensions7.28 × 7.31 × 4.56 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cloud, Pinpoint
Top View
7.28 mm7.31 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553407340
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: $11,504 AUD|Low: $8,318 AUD|High: $12,502 AUD|Avg: $10,402 AUD|-8.0%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$8,318 AUD
Retailer 8$9,184 AUD
Retailer 4$9,388 AUD
Retailer 7$9,738 AUD
Retailer 2$9,860 AUD
Retailer 9$10,398 AUD
Retailer 5$11,133 AUD
Retailer 6$11,133 AUD
Jared$11,504 AUD

38 data points across 9 retailers

9 retailers$8,318 AUD to $11,504 AUD

A
Cheapest Retailer
-
$8,318 AUD
A
Retailer 2
-
$9,184 AUD
View
Final sale: no returns
A
Retailer 3
-
$9,388 AUD
View
A
Retailer 4
-
$9,738 AUD
View
A
Retailer 5
-
$9,860 AUD
View
B+
Retailer 6
-
$10,398 AUD
View
B+
Retailer 7
-
$11,133 AUD
View
B+
Retailer 8
-
$11,133 AUD
View
Most Expensive
B+
Jared
159830309 · Nov 4
$11,504 AUD
$8,070 USD
View
8 more retailers have this diamond
Prices start from $8,318 AUDSave up to $3,186 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
$8,318 AUD