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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 6552965177

Certificate GIA 6552965177

Diamond specifications and retailer prices

From $9,111 AUD
HK$50,000 HKD
As of October 31, 2026
Save $10,414 AUD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $19,525 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 very-good cut grade and certified by GIA 6552965177. Listed at 24 retailers as of October 30, 2026, with prices from $9,111 to $19,525, a $10,414 spread on the same certified stone. NZ Jewellers lists it at $19,525. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552965177
Dimensions7.04 × 7.12 × 4.60 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint, Indented Natural, Cloud, Natural, Extra Facet
Top View
7.04 mm7.12 mm1.50 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552965177
Side View
Table 57.0%Crown 38.5°Girdle: THN-THKPavilion 40.4°Culet: NoneDepth 64.9%

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: Oct 31
Current: $19,525 AUD|Low: $9,020 AUD|High: $19,525 AUD|Avg: $12,561 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 13$9,111 AUD
Retailer 2$9,240 AUD
Retailer 5$9,522 AUD
Retailer 10$10,089 AUD
Retailer 6$10,445 AUD
Retailer 16$10,748 AUD
Retailer 7$10,774 AUD
Retailer 21$10,775 AUD
Retailer 19$10,939 AUD
Retailer 4$10,947 AUD
Retailer 18$11,266 AUD
Retailer 3$11,674 AUD
Retailer 15$11,843 AUD
Retailer 22$11,853 AUD
Retailer 17$11,921 AUD
Retailer 11$12,355 AUD
Retailer 20$12,674 AUD
Retailer 9$13,469 AUD
Retailer 8$15,226 AUD
Retailer 12$17,292 AUD
Retailer 14$17,451 AUD
NZ Jewellers$19,525 AUD

22 data points across 22 retailers

24 retailers$9,111 AUD to $19,525 AUD

A
Cheapest Retailer
-
$9,111 AUD
HK$50,000 HKD
A
Retailer 2
-
$9,240 AUD
₹618,142 INR
View
A
Retailer 3
-
$9,522 AUD
View
A
Retailer 4
-
$10,089 AUD
$7,087 USD
View
A
Retailer 5
-
$10,445 AUD
SGD 9,915 SGD
View
Retailer 6
-
$10,677 AUD
$7,500 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$10,683 AUD
SGD 10,141 SGD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
$10,748 AUD
$7,550 USD
View
A
Retailer 9
-
$10,774 AUD
$7,568 USD
View
Final sale: no returns
B+
Retailer 10
-
$10,775 AUD
$7,569 USD
View
A
Retailer 11
-
$10,939 AUD
£6,051 GBP
View
B+
Retailer 12
-
$10,947 AUD
$7,690 USD
View
B+
Retailer 13
-
$11,266 AUD
£6,231 GBP
View
B+
Retailer 14
-
$11,674 AUD
$8,200 USD
View
Retailer 15
-
$11,843 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$11,853 AUD
$8,326 USD
View
B+
Retailer 17
-
$11,921 AUD
$8,374 USD
View
B+
Retailer 18
-
$12,355 AUD
$8,679 USD
View
B+
Retailer 19
-
$12,674 AUD
€8,479 EUR
View
B+
Retailer 20
-
$13,469 AUD
$9,461 USD
View
B+
Retailer 21
-
$15,226 AUD
ZAR 172,783 ZAR
View
B
Retailer 22
-
$17,292 AUD
$12,147 USD
View
B
Retailer 23
-
$17,451 AUD
£9,652 GBP
View
Most Expensive
B
NZ Jewellers
43822727-b839-4680-b15d-a915fe9cff42 · Oct 30
$19,525 AUD
$13,715 USD
View
23 more retailers have this diamond
Prices start from $9,111 AUDSave up to $10,414 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
$9,111 AUD