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Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6565500939

Certificate GIA 6565500939

Diamond specifications and retailer prices

From $10,576 AUD
As of November 5, 2026
Save $12,759 AUD (55%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $23,336 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565500939. Listed at 31 retailers as of November 5, 2026, with prices from $10,576 to $23,336, a $12,759 spread on the same certified stone. NZ Jewellers lists it at $23,336. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565500939
Dimensions7.29 × 7.32 × 4.49 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Natural
Top View
7.29 mm7.32 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565500939
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

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 5
Current: $23,336 AUD|Low: $10,576 AUD|High: $23,336 AUD|Avg: $13,375 AUD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
Retailer 30
November 6, 2026
Retailer 16$10,576 AUD
Retailer 12$10,926 AUD
Retailer 26$11,095 AUD
Retailer 6$11,233 AUD
Retailer 28$11,346 AUD
Retailer 11$11,614 AUD
Retailer 14$11,666 AUD
Retailer 3$11,780 AUD
Retailer 7$12,433 AUD
Retailer 13$12,454 AUD
Retailer 17$12,454 AUD
Retailer 22$12,640 AUD
Retailer 29$12,809 AUD
Retailer 5$12,835 AUD
Retailer 25$12,944 AUD
Retailer 20$13,026 AUD
Retailer 19$13,033 AUD
Retailer 15$13,841 AUD
Retailer 23$13,841 AUD
Retailer 8$13,890 AUD
Retailer 21$13,953 AUD
Retailer 2$14,052 AUD
Retailer 18$14,135 AUD
Retailer 9$14,307 AUD
Retailer 10$14,585 AUD
Retailer 24$14,915 AUD
Retailer 27$15,193 AUD
Retailer 30$17,022 AUD
Retailer 4$19,392 AUD
NZ Jewellers$23,336 AUD

5 data points across 30 retailers

31 retailers$10,576 AUD to $23,336 AUD

B+
Cheapest Retailer
-
$10,576 AUD
B+
Retailer 2
-
$10,892 AUD
View
B+
Retailer 3
-
$10,926 AUD
View
B+
Retailer 4
-
$11,095 AUD
View
B+
Retailer 5
-
$11,233 AUD
View
B+
Retailer 6
-
$11,346 AUD
View
B+
Retailer 7
-
$11,614 AUD
View
B+
Retailer 8
-
$11,666 AUD
View
Final sale: no returns
B+
Retailer 9
-
$11,780 AUD
View
B+
Retailer 10
-
$12,433 AUD
View
B+
Retailer 11
-
$12,454 AUD
View
Retailer 12
-
$12,454 AUD
View
B+
Retailer 13
-
$12,640 AUD
View
B+
Retailer 14
-
$12,809 AUD
View
B+
Retailer 15
-
$12,835 AUD
View
B+
Retailer 16
-
$12,944 AUD
View
B
Retailer 17
-
$13,026 AUD
View
B
Retailer 18
-
$13,033 AUD
View
B+
Retailer 19
-
$13,841 AUD
View
B+
Retailer 20
-
$13,841 AUD
View
B+
Retailer 21
-
$13,890 AUD
View
B+
Retailer 22
-
$13,953 AUD
View
Retailer 23
-
$14,052 AUD
View
B+
Retailer 24
-
$14,135 AUD
View
B+
Retailer 25
-
$14,307 AUD
View
B
Retailer 26
-
$14,585 AUD
View
B
Retailer 27
-
$14,915 AUD
View
B+
Retailer 28
-
$15,193 AUD
View
B
Retailer 29
-
$17,022 AUD
View
B
Retailer 30
-
$19,392 AUD
View
Most Expensive
B
NZ Jewellers
73c54a4d-3403-456e-9af7-8e2019c5b838 · Nov 5
$23,336 AUD
$16,034 USD
View
30 more retailers have this diamond
Prices start from $10,576 AUDSave up to $12,759 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
$10,576 AUD