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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3565123575

Certificate GIA 3565123575

Diamond specifications and retailer prices

From $9,348 AUD
HK$51,300 HKD
As of November 1, 2026
Save $11,404 AUD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $20,752 AUD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565123575. Listed at 23 retailers as of October 30, 2026, with prices from $9,348 to $20,752, a $11,404 spread on the same certified stone. NZ Jewellers lists it at $20,752. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3565123575
Dimensions7.28 × 7.32 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.28 mm7.32 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3565123575
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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: $20,752 AUD|Low: $9,348 AUD|High: $20,752 AUD|Avg: $13,468 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 1, 2026
Retailer 13$9,348 AUD
Retailer 2$9,901 AUD
Retailer 7$10,641 AUD
Retailer 8$10,931 AUD
Retailer 16$11,453 AUD
Retailer 11$11,484 AUD
Retailer 5$11,749 AUD
Retailer 10$11,939 AUD
Retailer 4$12,408 AUD
Retailer 3$12,599 AUD
Retailer 14$13,558 AUD
Retailer 6$14,317 AUD
Retailer 12$15,243 AUD
Retailer 15$16,905 AUD
Retailer 9$17,291 AUD
NZ Jewellers$20,752 AUD

22 data points across 16 retailers

23 retailers$9,348 AUD to $20,752 AUD

A
Cheapest Retailer
-
$9,348 AUD
HK$51,300 HKD
A
Retailer 2
-
$9,901 AUD
₹662,356 INR
View
A
Retailer 3
-
$10,028 AUD
$7,044 USD
View
Retailer 4
-
$10,641 AUD
$7,475 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$10,653 AUD
SGD 10,112 SGD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$10,688 AUD
$7,508 USD
View
A
Retailer 7
-
$10,931 AUD
SGD 10,376 SGD
View
B+
Retailer 8
-
$11,264 AUD
$7,912 USD
View
B+
Retailer 9
-
$11,268 AUD
$7,915 USD
View
B+
Retailer 10
-
$11,453 AUD
$8,045 USD
View
B+
Retailer 11
-
$11,453 AUD
$8,045 USD
View
Final sale: no returns
A
Retailer 12
-
$11,484 AUD
£6,352 GBP
View
Retailer 13
-
$11,749 AUD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$11,939 AUD
£6,603 GBP
View
B+
Retailer 15
-
$12,408 AUD
$8,716 USD
View
B+
Retailer 16
-
$12,599 AUD
$8,850 USD
View
B+
Retailer 17
-
$12,677 AUD
$8,905 USD
View
B+
Retailer 18
-
$13,558 AUD
€9,070 EUR
View
B+
Retailer 19
-
$14,317 AUD
$10,057 USD
View
B+
Retailer 20
-
$15,243 AUD
ZAR 172,981 ZAR
View
B+
Retailer 21
-
$16,905 AUD
£9,350 GBP
View
B+
Retailer 22
-
$17,291 AUD
£9,564 GBP
View
Most Expensive
B
NZ Jewellers
8b5dc1ce-447b-4a66-972a-75fa6132eefe · Oct 30
$20,752 AUD
$14,577 USD
View
22 more retailers have this diamond
Prices start from $9,348 AUDSave up to $11,404 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
$9,348 AUD