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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 6233565710

Certificate GIA 6233565710

Diamond specifications and retailer prices

From $8,449 AUD
$5,935 USD
As of October 30, 2026
Save $10,449 AUD (55%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $18,898 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 6233565710. Listed at 24 retailers as of October 30, 2026, with prices from $8,449 to $18,898, a $10,449 spread on the same certified stone. NZ Jewellers lists it at $18,898. 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 6233565710
Dimensions7.12 × 7.06 × 4.58 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.12 mm7.06 mm1.50 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6233565710
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $18,898 AUD|Low: $8,106 AUD|High: $18,898 AUD|Avg: $10,948 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
Retailer 23
October 31, 2026
Retailer 14$8,106 AUD
Retailer 20$8,449 AUD
Retailer 13$8,455 AUD
Retailer 4$8,513 AUD
Retailer 7$8,785 AUD
Retailer 9$8,927 AUD
Retailer 6$9,450 AUD
Retailer 11$9,450 AUD
Retailer 5$9,467 AUD
Retailer 8$10,237 AUD
Retailer 12$10,394 AUD
Retailer 18$10,581 AUD
Retailer 22$10,791 AUD
Retailer 23$10,791 AUD
Retailer 3$10,896 AUD
Retailer 21$11,147 AUD
Retailer 17$11,683 AUD
Retailer 16$11,812 AUD
Retailer 15$12,449 AUD
Retailer 10$12,569 AUD
Retailer 2$13,881 AUD
Retailer 19$15,832 AUD
NZ Jewellers$18,898 AUD

35 data points across 23 retailers

24 retailers$8,449 AUD to $18,898 AUD

Retailer 1
-
$8,106 AUD
$5,694 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$8,449 AUD
$5,935 USD
View
A
Retailer 3
-
$8,455 AUD
HK$46,400 HKD
View
A
Retailer 4
-
$8,513 AUD
$5,980 USD
View
A
Retailer 5
-
$8,780 AUD
View
A
Retailer 6
-
$8,785 AUD
$6,171 USD
View
A
Retailer 7
-
$8,927 AUD
$6,271 USD
View
A
Retailer 8
-
$9,450 AUD
$6,638 USD
View
A
Retailer 9
-
$9,450 AUD
$6,638 USD
View
Final sale: no returns
A
Retailer 10
-
$9,467 AUD
$6,650 USD
View
A
Retailer 11
-
$10,237 AUD
$7,191 USD
View
B+
Retailer 12
-
$10,394 AUD
$7,301 USD
View
A
Retailer 13
-
$10,581 AUD
£5,853 GBP
View
B+
Retailer 14
-
$10,791 AUD
$7,580 USD
View
B+
Retailer 15
-
$10,791 AUD
$7,580 USD
View
Retailer 16
-
$10,896 AUD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$11,147 AUD
$7,830 USD
View
B+
Retailer 18
-
$11,204 AUD
$7,870 USD
View
B+
Retailer 19
-
$11,683 AUD
€7,816 EUR
View
B+
Retailer 20
-
$11,812 AUD
$8,297 USD
View
B+
Retailer 21
-
$12,569 AUD
$8,829 USD
View
B+
Retailer 22
-
$13,881 AUD
ZAR 157,525 ZAR
View
B+
Retailer 23
-
$15,832 AUD
£8,757 GBP
View
Most Expensive
B
NZ Jewellers
310f6203-bc18-4332-8911-3e82e8575a95 · Oct 30
$18,898 AUD
$13,275 USD
View
23 more retailers have this diamond
Prices start from $8,449 AUDSave up to $10,449 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
$8,449 AUD