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Radiant|Natural|GIA

1.51ct I VS1 Radiant Natural Diamond

EX • I/VS1 • GIA 1515625085

Certificate GIA 1515625085

Diamond specifications and retailer prices

From $9,514 AUD
As of November 5, 2026
Save $12,397 AUD (57%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $21,911 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA 1515625085. Listed at 26 retailers as of November 5, 2026, with prices from $9,514 to $21,911, a $12,397 spread on the same certified stone. NZ Jewellers lists it at $21,911. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.05°
Pavilion angle60.97°
OriginNatural
Grading LabGIA
CertificateGIA 1515625085
Dimensions7.51 × 5.78 × 3.98 mm
L/W Ratio1.30
Key to symbols
Cloud
Top View
7.51 mm5.78 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515625085
Side View
Table 66.0%Crown 49.05°Girdle: STK-THKPavilion 60.97°Culet: NoneDepth 68.9%

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 5
Current: $21,911 AUD|Low: $9,571 AUD|High: $21,911 AUD|Avg: $13,697 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 3$9,571 AUD
Retailer 10$9,693 AUD
Retailer 5$10,259 AUD
Retailer 11$10,953 AUD
Retailer 4$11,869 AUD
Retailer 12$12,051 AUD
Retailer 2$12,096 AUD
Retailer 9$12,423 AUD
Retailer 6$14,232 AUD
Retailer 7$15,982 AUD
Retailer 8$18,207 AUD
NZ Jewellers$21,911 AUD

46 data points across 12 retailers

26 retailers$9,514 AUD to $21,911 AUD

A
Cheapest Retailer
-
$9,514 AUD
A
Retailer 2
-
$9,571 AUD
View
Retailer 3
-
$9,693 AUD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$10,178 AUD
View
A
Retailer 5
-
$10,214 AUD
View
A
Retailer 6
-
$10,259 AUD
View
A
Retailer 7
-
$10,930 AUD
View
A
Retailer 8
-
$10,953 AUD
View
Final sale: no returns
Retailer 9
-
$10,955 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$11,671 AUD
View
B+
Retailer 11
-
$11,869 AUD
View
B+
Retailer 12
-
$12,051 AUD
View
B+
Retailer 13
-
$12,096 AUD
View
Retailer 14
-
$12,423 AUD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
$12,562 AUD
View
B+
Retailer 16
-
$13,040 AUD
View
B+
Retailer 17
-
$13,040 AUD
View
B+
Retailer 18
-
$13,115 AUD
View
B+
Retailer 19
-
$13,477 AUD
View
B+
Retailer 20
-
$13,694 AUD
View
B
Retailer 21
-
$14,173 AUD
View
B+
Retailer 22
-
$14,232 AUD
View
Retailer 23
-
$14,427 AUD
View
Price last confirmed 15 days ago
B+
Retailer 24
-
$15,982 AUD
View
B
Retailer 25
-
$18,207 AUD
View
Most Expensive
B
NZ Jewellers
642596b9-837f-4d1b-9bb5-b9920170fdb6 · Nov 5
$21,911 AUD
$15,055 USD
View
25 more retailers have this diamond
Prices start from $9,514 AUDSave up to $12,397 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 Radiant
$9,514 AUD