Round|Natural|GIA

1.50ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 5556052378

Certificate GIA 5556052378

Diamond specifications and retailer prices

From $5,038 AUD
As of November 5, 2026
Save $7,121 AUD (59%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,159 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5556052378. Listed at 20 retailers as of November 5, 2026, with prices from $5,038 to $12,159, a $7,121 spread on the same certified stone. NZ Jewellers lists it at $12,159. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5556052378
Dimensions7.09 × 7.13 × 4.57 mm
L/W Ratio1.01
Top View
7.09 mm7.13 mm1.50 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556052378
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.3%

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 5
Current: $12,159 AUD|Low: $5,038 AUD|High: $12,159 AUD|Avg: $6,856 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
November 5, 2026
Retailer 10$5,038 AUD
Retailer 4$5,228 AUD
Retailer 8$5,417 AUD
Retailer 3$5,560 AUD
Retailer 6$5,563 AUD
Retailer 18$5,837 AUD
Retailer 9$6,323 AUD
Retailer 15$6,323 AUD
Retailer 14$6,343 AUD
Retailer 7$6,771 AUD
Retailer 13$6,771 AUD
Retailer 11$6,827 AUD
Retailer 17$7,000 AUD
Retailer 16$7,295 AUD
Retailer 2$7,415 AUD
Retailer 5$8,117 AUD
Retailer 12$11,085 AUD
NZ Jewellers$12,159 AUD

38 data points across 18 retailers

20 retailers$5,038 AUD to $12,159 AUD

A
Cheapest Retailer
-
$5,038 AUD
A
Retailer 2
-
$5,228 AUD
View
A
Retailer 3
-
$5,417 AUD
View
A
Retailer 4
-
$5,560 AUD
View
A
Retailer 5
-
$5,563 AUD
View
B+
Retailer 6
-
$5,837 AUD
View
Final sale: no returns
A
Retailer 7
-
$6,323 AUD
View
A
Retailer 8
-
$6,323 AUD
View
A
Retailer 9
-
$6,343 AUD
View
Retailer 10
-
$6,400 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$6,771 AUD
View
A
Retailer 12
-
$6,771 AUD
View
A
Retailer 13
-
$6,827 AUD
View
A
Retailer 14
-
$7,000 AUD
View
B+
Retailer 15
-
$7,295 AUD
View
A
Retailer 16
-
$7,415 AUD
View
Retailer 17
-
$7,800 AUD
View
Price last confirmed 14 days ago
B+
Retailer 18
-
$8,117 AUD
View
B
Retailer 19
-
$11,085 AUD
View
Most Expensive
B
NZ Jewellers
cb854a2f-3017-42df-b261-f05095a538fa · Nov 5
$12,159 AUD
$8,512 USD
View
19 more retailers have this diamond
Prices start from $5,038 AUDSave up to $7,121 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
$5,038 AUD