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Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6552667733

Certificate GIA 6552667733

Diamond specifications and retailer prices

From $7,034 AUD
As of November 7, 2026
Save $6,184 AUD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,218 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552667733. Listed at 10 retailers as of November 3, 2026, with prices from $7,034 to $13,218, a $6,184 spread on the same certified stone. NZ Jewellers lists it at $13,218. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle54.8°
Pavilion angle36.44°
OriginNatural
Grading LabGIA
CertificateGIA 6552667733
Dimensions7.40 × 5.66 × 3.95 mm
L/W Ratio1.31
Girdle conditionVery Thick
Key to symbols
Crystal, Needle, Natural
Top View
7.40 mm5.66 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552667733
Side View
Table 73.0%Crown 54.8°GirdlePavilion 36.44°Culet: NoneDepth 69.8%

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 7
Current: $13,218 AUD|Low: $7,034 AUD|High: $13,544 AUD|Avg: $8,937 AUD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3$7,034 AUD
Retailer 9$7,095 AUD
Retailer 6$7,446 AUD
Retailer 5$7,634 AUD
Retailer 4$7,641 AUD
Retailer 2$7,808 AUD
Retailer 8$7,903 AUD
Retailer 10$7,967 AUD
Retailer 7$12,586 AUD
NZ Jewellers$13,218 AUD

43 data points across 10 retailers

10 retailers$7,034 AUD to $13,218 AUD

A
Cheapest Retailer
-
$7,034 AUD
A
Retailer 2
-
$7,095 AUD
View
A
Retailer 3
-
$7,446 AUD
View
A
Retailer 4
-
$7,634 AUD
View
A
Retailer 5
-
$7,641 AUD
View
A
Retailer 6
-
$7,808 AUD
View
B+
Retailer 7
-
$7,903 AUD
View
Retailer 8
-
$7,967 AUD
View
Price last confirmed 29 days ago
B
Retailer 9
-
$12,586 AUD
View
Most Expensive
B
NZ Jewellers
a58e4b94-a83f-44b1-b18e-47b3b3ff79dd · Nov 3
$13,218 AUD
$9,082 USD
View
9 more retailers have this diamond
Prices start from $7,034 AUDSave up to $6,184 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 Radiant
$7,034 AUD