Round|Natural|GIA

1.50ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2557384336

Certificate GIA 2557384336

Diamond specifications and retailer prices

From $8,896 AUD
$6,249 USD
As of October 30, 2026
Save $7,602 AUD (46%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $20,034 AUD at NZ Jewellers · As of September 14, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 2557384336. Listed at 26 retailers as of October 29, 2026, with a 85% 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

1.50
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557384336
Dimensions7.25 × 7.30 × 4.57 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Pinpoint, Cloud
Top View
7.25 mm7.30 mm1.50 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557384336
Side View
Table 55.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 30
Current: $12,564 AUD|Low: $7,912 AUD|High: $16,895 AUD|Avg: $11,110 AUD|+0.7%
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
November 1, 2026
Retailer 2$8,896 AUD
Retailer 3$9,157 AUD
Retailer 17$9,302 AUD
Retailer 5$9,327 AUD
Retailer 16$9,444 AUD
Retailer 4$9,846 AUD
Retailer 18$9,851 AUD
Retailer 9$10,018 AUD
Retailer 13$10,486 AUD
Retailer 14$10,882 AUD
Retailer 11$10,945 AUD
Retailer 6$11,015 AUD
Retailer 10$11,454 AUD
Retailer 8$11,489 AUD
Retailer 7$11,885 AUD
Retailer 1$12,564 AUD
Retailer 12$14,465 AUD
Retailer 15$16,498 AUD

37 data points across 18 retailers

26 retailers$8,896 AUD to $16,498 AUD

A
Cheapest Retailer
-
$8,896 AUD
$6,249 USD
A
Retailer 2
-
$9,157 AUD
View
A
Retailer 3
-
$9,302 AUD
$6,534 USD
View
A
Retailer 4
-
$9,327 AUD
$6,552 USD
View
A
Retailer 5
-
$9,444 AUD
$6,634 USD
View
A
Retailer 6
-
$9,846 AUD
$6,916 USD
View
Final sale: no returns
A
Retailer 7
-
$9,851 AUD
$6,920 USD
View
Retailer 8
-
$10,018 AUD
$7,037 USD
View
Price last confirmed 24 days ago
B+
Retailer 9
-
$10,486 AUD
$7,366 USD
View
Retailer 10
-
$10,852 AUD
$7,623 USD
View
Price last confirmed 50 days ago
Retailer 11
-
$10,852 AUD
$7,623 USD
View
Price last confirmed 47 days ago
Retailer 12
-
$10,852 AUD
$7,623 USD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$10,882 AUD
$7,644 USD
View
B+
Retailer 14
-
$10,945 AUD
£6,054 GBP
View
B+
Retailer 15
-
$11,015 AUD
$7,737 USD
View
Retailer 16
-
$11,056 AUD
$7,766 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$11,454 AUD
View
Retailer 18
-
$11,489 AUD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
$11,885 AUD
$8,348 USD
View
Retailer 20
-
$12,522 AUD
$8,796 USD
View
Price last confirmed 55 days ago
Retailer 21
-
$12,522 AUD
$8,796 USD
View
Price last confirmed 47 days ago
B+
Retailer 22
-
$12,564 AUD
€8,405 EUR
View
B+
Retailer 23
-
$14,465 AUD
ZAR 164,146 ZAR
View
B
Retailer 24
-
$16,498 AUD
£9,125 GBP
View
Retailer 25
-
$20,034 AUD
$14,073 USD
View
Price last confirmed 51 days ago
Most Expensive
NZ Jewellers
c4d52567-6336-4185-97f9-50d66ec82f00 · Sep 14
$20,034 AUD
$14,073 USD
View
Price last confirmed 48 days ago
25 more retailers have this diamond
Prices start from $8,896 AUDSave up to $7,602 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
1.50ct Round
$8,896 AUD