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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7568026465

Certificate GIA 7568026465

Diamond specifications and retailer prices

From $6,315 AUD
As of November 6, 2026
Save $6,079 AUD (49%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $13,816 AUD at NZ Jewellers · As of September 27, 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 7568026465. Listed at 25 retailers as of November 4, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7568026465
Dimensions7.25 × 7.30 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.25 mm7.30 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7568026465
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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 6
Current: $8,629 AUD|Low: $5,983 AUD|High: $18,232 AUD|Avg: $8,421 AUD|-1.7%
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 6, 2026
Retailer 6$6,315 AUD
Retailer 9$6,321 AUD
Retailer 5$6,666 AUD
Retailer 4$6,699 AUD
Retailer 3$7,054 AUD
Retailer 2$7,168 AUD
Retailer 14$8,093 AUD
Retailer 11$8,190 AUD
Retailer 10$8,316 AUD
Retailer 8$8,543 AUD
Retailer 16$8,543 AUD
Retailer 1$8,629 AUD
Retailer 7$8,652 AUD
Retailer 17$8,834 AUD
Retailer 13$8,970 AUD
Retailer 18$9,818 AUD
Retailer 12$10,291 AUD
Retailer 15$12,394 AUD

26 data points across 18 retailers

25 retailers$6,315 AUD to $12,394 AUD

A
Cheapest Retailer
-
$6,315 AUD
Retailer 2
-
$6,321 AUD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$6,666 AUD
View
A
Retailer 4
-
$6,699 AUD
View
A
Retailer 5
-
$7,054 AUD
View
Final sale: no returns
A
Retailer 6
-
$7,168 AUD
View
Retailer 7
-
$7,795 AUD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$8,093 AUD
View
B+
Retailer 9
-
$8,190 AUD
View
Retailer 10
-
$8,261 AUD
View
Price last confirmed 29 days ago
Retailer 11
-
$8,261 AUD
View
Price last confirmed 29 days ago
Retailer 12
-
$8,261 AUD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$8,303 AUD
View
Retailer 14
-
$8,316 AUD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$8,543 AUD
View
B+
Retailer 16
-
$8,543 AUD
View
B+
Retailer 17
-
$8,629 AUD
View
B+
Retailer 18
-
$8,652 AUD
View
B+
Retailer 19
-
$8,834 AUD
View
B+
Retailer 20
-
$8,970 AUD
View
Retailer 21
-
$9,531 AUD
View
Price last confirmed 38 days ago
B
Retailer 22
-
$9,818 AUD
View
B+
Retailer 23
-
$10,291 AUD
View
B
Retailer 24
-
$12,394 AUD
View
Most Expensive
NZ Jewellers
f0c5336a-5880-4ac7-b560-ad6865dd067e · Sep 27
$13,816 AUD
$9,493 USD
View
Price last confirmed 40 days ago
24 more retailers have this diamond
Prices start from $6,315 AUDSave up to $6,079 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
$6,315 AUD