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Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1555885366

Certificate GIA 1555885366

Diamond specifications and retailer prices

From $2,991 AUD
As of November 3, 2026
Save $6,791 AUD (69%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $9,853 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555885366. Listed at 29 retailers as of November 1, 2026, with a 227% 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555885366
Dimensions7.29 × 7.34 × 4.53 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.34 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555885366
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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: Nov 3
Current: $8,385 AUD|Low: $2,991 AUD|High: $10,291 AUD|Avg: $6,491 AUD
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
Retailer 19
Wholesale Diamonds Direct
November 6, 2026
Retailer 9$2,991 AUD
Retailer 8$3,130 AUD
Retailer 10$5,351 AUD
Retailer 14$5,590 AUD
Retailer 7$5,628 AUD
Retailer 19$5,651 AUD
Retailer 2$5,781 AUD
Retailer 17$5,871 AUD
Retailer 6$5,957 AUD
Retailer 11$6,353 AUD
Retailer 3$6,900 AUD
Retailer 4$6,940 AUD
Retailer 16$7,025 AUD
Retailer 18$7,220 AUD
Retailer 15$7,572 AUD
Retailer 13$7,677 AUD
Retailer 1$8,385 AUD
Retailer 12$8,671 AUD
Retailer 5$9,782 AUD
Wholesale Diamonds Direct$9,853 AUD

24 data points across 20 retailers

29 retailers$2,991 AUD to $9,782 AUD

A
Cheapest Retailer
-
$2,991 AUD
Retailer 2
-
$3,038 AUD
View
Price last confirmed 17 days ago
Retailer 3
-
$3,054 AUD
View
Price last confirmed 30 days ago
Retailer 4
-
$3,070 AUD
View
Price last confirmed 41 days ago
Retailer 5
-
$3,070 AUD
View
Price last confirmed 36 days ago
Retailer 6
-
$3,118 AUD
View
Price last confirmed 44 days ago
A
Retailer 7
-
$3,130 AUD
View
Retailer 8
-
$3,196 AUD
View
Price last confirmed 22 days ago
Retailer 9
-
$3,211 AUD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$5,590 AUD
View
B+
Retailer 11
-
$5,628 AUD
View
B+
Retailer 12
-
$5,651 AUD
View
B+
Retailer 13
-
$5,781 AUD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$5,871 AUD
View
B+
Retailer 15
-
$5,957 AUD
View
Retailer 16
-
$6,353 AUD
View
Price last confirmed 17 days ago
Retailer 17
-
$6,385 AUD
View
Price last confirmed 31 days ago
Retailer 18
-
$6,417 AUD
View
Price last confirmed 39 days ago
Retailer 19
-
$6,518 AUD
View
Price last confirmed 46 days ago
B+
Retailer 20
-
$6,900 AUD
View
B+
Retailer 21
-
$6,940 AUD
View
B+
Retailer 22
-
$7,025 AUD
View
B+
Retailer 23
-
$7,220 AUD
View
B
Retailer 24
-
$7,572 AUD
View
B
Retailer 25
-
$7,677 AUD
View
B
Retailer 26
-
$8,385 AUD
View
B
Retailer 27
-
$8,671 AUD
View
B
Retailer 28
-
$9,782 AUD
View
Most Expensive
Wholesale Diamonds Direct
553157112 · Oct 26
$9,853 AUD
$6,898 USD
View
Price last confirmed 10 days ago
28 more retailers have this diamond
Prices start from $2,991 AUDSave up to $6,791 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
$2,991 AUD