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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2221294516

Certificate GIA 2221294516

Diamond specifications and retailer prices

From $9,000 AUD
As of November 1, 2026
Save $11,057 AUD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $20,056 AUD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2221294516. Listed at 17 retailers as of November 1, 2026, with prices from $9,000 to $20,056, a $11,057 spread on the same certified stone. NZ Jewellers lists it at $20,056. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2221294516
Dimensions7.42 × 7.37 × 4.44 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.42 mm7.37 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2221294516
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $20,056 AUD|Low: $9,000 AUD|High: $20,056 AUD|Avg: $12,077 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 12$9,000 AUD
Retailer 16$9,064 AUD
Retailer 5$9,475 AUD
Retailer 6$10,028 AUD
Retailer 14$10,028 AUD
Retailer 3$10,864 AUD
Retailer 15$11,031 AUD
Retailer 2$11,132 AUD
Retailer 7$11,842 AUD
Retailer 13$11,842 AUD
Retailer 8$12,228 AUD
Retailer 10$12,309 AUD
Retailer 9$12,414 AUD
Retailer 4$13,208 AUD
Retailer 11$16,666 AUD
NZ Jewellers$20,056 AUD

40 data points across 16 retailers

17 retailers$9,000 AUD to $20,056 AUD

B+
Cheapest Retailer
-
$9,000 AUD
B+
Retailer 2
-
$9,064 AUD
View
B+
Retailer 3
-
$9,332 AUD
View
B+
Retailer 4
-
$9,475 AUD
View
Retailer 5
-
$10,028 AUD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$10,028 AUD
View
Final sale: no returns
B+
Retailer 7
-
$10,864 AUD
View
B+
Retailer 8
-
$11,031 AUD
View
B+
Retailer 9
-
$11,132 AUD
View
B
Retailer 10
-
$11,842 AUD
View
B
Retailer 11
-
$11,842 AUD
View
B
Retailer 12
-
$12,228 AUD
View
B
Retailer 13
-
$12,309 AUD
View
B
Retailer 14
-
$12,414 AUD
View
Retailer 15
-
$13,208 AUD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$16,666 AUD
View
Most Expensive
B
NZ Jewellers
d93e6d93-a850-4a70-a549-2346a06b03a0 · Nov 5
$20,056 AUD
$14,040 USD
View
16 more retailers have this diamond
Prices start from $9,000 AUDSave up to $11,057 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.

B+
1.50ct Round
$9,000 AUD