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Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245065036

Certificate GIA 2245065036

Diamond specifications and retailer prices

From $8,127 AUD
HK$44,600 HKD
As of October 30, 2026
Save $7,501 AUD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $19,600 AUD at NZ Jewellers · As of October 6, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245065036. Listed at 9 retailers as of October 29, 2026, with a 92% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245065036
Dimensions7.23 × 7.29 × 4.53 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Indented Natural
Top View
7.23 mm7.29 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245065036
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: Oct 30
Current: $9,397 AUD|Low: $8,127 AUD|High: $16,688 AUD|Avg: $11,260 AUD|-5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$8,127 AUD
Retailer 2$9,208 AUD
Retailer 1$9,397 AUD
Retailer 8$9,746 AUD
Retailer 6$11,154 AUD
Retailer 3$11,878 AUD
Retailer 4$12,156 AUD
Retailer 5$15,628 AUD

33 data points across 8 retailers

9 retailers$8,127 AUD to $15,628 AUD

A
Cheapest Retailer
-
$8,127 AUD
HK$44,600 HKD
A
Retailer 2
-
$9,208 AUD
€6,160 EUR
View
A
Retailer 3
-
$9,397 AUD
$6,601 USD
View
Retailer 4
-
$9,746 AUD
SGD 9,251 SGD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$11,154 AUD
$7,835 USD
View
B+
Retailer 6
-
$11,878 AUD
£6,570 GBP
View
B+
Retailer 7
-
$12,156 AUD
€8,132 EUR
View
B
Retailer 8
-
$15,628 AUD
£8,644 GBP
View
Most Expensive
NZ Jewellers
f6ad711c-d29e-4e71-839f-f5b861a0aef1 · Oct 6
$19,600 AUD
$13,768 USD
View
Price last confirmed 25 days ago
8 more retailers have this diamond
Prices start from $8,127 AUDSave up to $7,501 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
$8,127 AUD