Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2568500193

Certificate GIA 2568500193

Diamond specifications and retailer prices

From $10,417 AUD
$7,317 USD
As of October 31, 2026
Save $10,838 AUD (51%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $21,254 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2568500193. Listed at 24 retailers as of October 30, 2026, with prices from $10,417 to $21,254, a $10,838 spread on the same certified stone. NZ Jewellers lists it at $21,254. 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
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2568500193
Dimensions7.30 × 7.35 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.30 mm7.35 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2568500193
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $21,254 AUD|Low: $9,474 AUD|High: $21,983 AUD|Avg: $12,198 AUD|+12.8%
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
Retailer 24
Retailer 25
November 1, 2026
Retailer 7$9,474 AUD
Retailer 16$9,739 AUD
Retailer 10$9,740 AUD
Retailer 11$10,385 AUD
Retailer 12$10,401 AUD
Retailer 18$10,401 AUD
Retailer 25$10,417 AUD
Retailer 20$10,612 AUD
Retailer 24$11,037 AUD
Retailer 14$11,268 AUD
Retailer 9$11,440 AUD
Retailer 17$11,503 AUD
Retailer 19$11,884 AUD
Retailer 21$11,887 AUD
Retailer 5$11,995 AUD
Retailer 6$12,017 AUD
Retailer 3$12,311 AUD
Retailer 22$12,770 AUD
Retailer 23$12,770 AUD
Retailer 15$13,000 AUD
Retailer 4$13,197 AUD
Retailer 2$13,256 AUD
Retailer 8$13,676 AUD
Retailer 13$17,711 AUD
NZ Jewellers$21,254 AUD

16 data points across 25 retailers

24 retailers$10,417 AUD to $21,254 AUD

Retailer 1
-
$9,474 AUD
$6,655 USD
Price last confirmed 14 days ago
Retailer 2
-
$9,739 AUD
$6,841 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$9,740 AUD
$6,842 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$10,385 AUD
$7,295 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$10,401 AUD
$7,306 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$10,417 AUD
$7,317 USD
View
B+
Retailer 7
-
$10,612 AUD
CA$10,353 CAD
View
B+
Retailer 8
-
$11,037 AUD
$7,753 USD
View
Retailer 9
-
$11,268 AUD
$7,915 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$11,440 AUD
$8,036 USD
View
Price last confirmed 17 days ago
Retailer 11
-
$11,503 AUD
$8,080 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$11,884 AUD
£6,573 GBP
View
B+
Retailer 13
-
$11,887 AUD
$8,350 USD
View
B+
Retailer 14
-
$11,995 AUD
$8,426 USD
View
Retailer 15
-
$12,017 AUD
£6,646 GBP
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$12,311 AUD
$8,648 USD
View
B+
Retailer 17
-
$12,770 AUD
$8,970 USD
View
B
Retailer 18
-
$12,770 AUD
$8,970 USD
View
Retailer 19
-
$13,000 AUD
$9,132 USD
View
Price last confirmed 14 days ago
B+
Retailer 20
-
$13,197 AUD
$9,270 USD
View
B+
Retailer 21
-
$13,256 AUD
€8,868 EUR
View
Retailer 22
-
$13,676 AUD
ZAR 155,194 ZAR
View
Price last confirmed 15 days ago
B
Retailer 23
-
$17,711 AUD
£9,796 GBP
View
Most Expensive
B
NZ Jewellers
cf70eaa3-502a-417b-b0f2-03748adf61be · Oct 30
$21,254 AUD
$14,930 USD
View
23 more retailers have this diamond
Prices start from $10,417 AUDSave up to $10,838 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.

B+
1.50ct Round
$10,417 AUD