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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7556903212

Certificate GIA 7556903212

Diamond specifications and retailer prices

From $6,753 AUD
As of November 1, 2026
Save $8,232 AUD (55%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $14,985 AUD at NZ Jewellers · As of November 2, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7556903212. Listed at 27 retailers as of November 1, 2026, with prices from $6,753 to $14,985, a $8,232 spread on the same certified stone. NZ Jewellers lists it at $14,985. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7556903212
Dimensions7.20 × 7.27 × 4.60 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Natural
Top View
7.20 mm7.27 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556903212
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.5%

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 1
Current: $14,985 AUD|Low: $6,753 AUD|High: $14,985 AUD|Avg: $8,887 AUD|+4.1%
NZ Jewellers
Retailer 2
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Retailer 27
November 5, 2026
Retailer 26$6,753 AUD
Retailer 5$6,858 AUD
Retailer 7$6,881 AUD
Retailer 12$7,079 AUD
Retailer 24$7,082 AUD
Retailer 8$7,169 AUD
Retailer 14$7,492 AUD
Retailer 25$7,590 AUD
Retailer 18$7,846 AUD
Retailer 15$7,970 AUD
Retailer 9$8,019 AUD
Retailer 3$8,117 AUD
Retailer 10$8,117 AUD
Retailer 27$8,117 AUD
Retailer 16$8,192 AUD
Retailer 6$8,261 AUD
Retailer 13$8,454 AUD
Retailer 19$8,668 AUD
Retailer 20$8,878 AUD
Retailer 17$8,888 AUD
Retailer 21$9,214 AUD
Retailer 11$9,365 AUD
Retailer 2$9,561 AUD
Retailer 23$11,007 AUD
Retailer 4$12,981 AUD
Retailer 22$13,200 AUD
NZ Jewellers$14,985 AUD

32 data points across 27 retailers

27 retailers$6,753 AUD to $14,985 AUD

A
Cheapest Retailer
-
$6,753 AUD
A
Retailer 2
-
$6,858 AUD
View
A
Retailer 3
-
$6,881 AUD
View
A
Retailer 4
-
$7,079 AUD
View
A
Retailer 5
-
$7,082 AUD
View
A
Retailer 6
-
$7,169 AUD
View
A
Retailer 7
-
$7,492 AUD
View
Final sale: no returns
A
Retailer 8
-
$7,590 AUD
View
B+
Retailer 9
-
$7,846 AUD
View
B+
Retailer 10
-
$7,970 AUD
View
B+
Retailer 11
-
$8,019 AUD
View
B+
Retailer 12
-
$8,117 AUD
View
B+
Retailer 13
-
$8,117 AUD
View
Retailer 14
-
$8,117 AUD
View
Price last confirmed 8 days ago
Retailer 15
-
$8,192 AUD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$8,261 AUD
View
B+
Retailer 17
-
$8,454 AUD
View
Retailer 18
-
$8,668 AUD
View
Price last confirmed 33 days ago
Retailer 19
-
$8,878 AUD
View
Price last confirmed 31 days ago
B+
Retailer 20
-
$8,888 AUD
View
B+
Retailer 21
-
$9,214 AUD
View
B+
Retailer 22
-
$9,365 AUD
View
B+
Retailer 23
-
$9,561 AUD
View
B
Retailer 24
-
$11,007 AUD
View
B
Retailer 25
-
$12,981 AUD
View
B
Retailer 26
-
$13,200 AUD
View
Most Expensive
B
NZ Jewellers
bbbb6167-a518-4cac-a81f-c7adbe5a2fe3 · Nov 2
$14,985 AUD
$10,296 USD
View
26 more retailers have this diamond
Prices start from $6,753 AUDSave up to $8,232 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
$6,753 AUD