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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6552687684

Certificate GIA 6552687684

Diamond specifications and retailer prices

From $6,857 AUD
$4,817 USD
As of October 31, 2026
Save $8,287 AUD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,144 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552687684. Listed at 20 retailers as of October 30, 2026, with prices from $6,857 to $15,144, a $8,287 spread on the same certified stone. NZ Jewellers lists it at $15,144. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552687684
Dimensions7.38 × 7.41 × 4.49 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp
Top View
7.38 mm7.41 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552687684
Side View
Table 56.0%Crown 31.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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 31
Current: $15,144 AUD|Low: $6,857 AUD|High: $15,144 AUD|Avg: $9,265 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
November 1, 2026
Retailer 7$6,857 AUD
Retailer 10$6,940 AUD
Retailer 4$7,571 AUD
Retailer 3$8,203 AUD
Retailer 11$8,203 AUD
Retailer 12$8,203 AUD
Retailer 2$8,412 AUD
Retailer 5$8,571 AUD
Retailer 6$8,628 AUD
Retailer 13$9,466 AUD
Retailer 8$9,894 AUD
Retailer 9$13,412 AUD
NZ Jewellers$15,144 AUD

35 data points across 13 retailers

20 retailers$6,857 AUD to $15,144 AUD

A
Cheapest Retailer
-
$6,857 AUD
$4,817 USD
Retailer 2
-
$6,940 AUD
$4,875 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$7,154 AUD
$5,025 USD
View
Retailer 4
-
$7,189 AUD
$5,050 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$7,571 AUD
$5,318 USD
View
Final sale: no returns
A
Retailer 6
-
$8,098 AUD
$5,689 USD
View
A
Retailer 7
-
$8,203 AUD
$5,762 USD
View
A
Retailer 8
-
$8,203 AUD
$5,762 USD
View
A
Retailer 9
-
$8,203 AUD
$5,762 USD
View
A
Retailer 10
-
$8,412 AUD
£4,653 GBP
View
A
Retailer 11
-
$8,571 AUD
$6,021 USD
View
A
Retailer 12
-
$8,628 AUD
£4,772 GBP
View
B+
Retailer 13
-
$9,154 AUD
$6,430 USD
View
B+
Retailer 14
-
$9,154 AUD
$6,430 USD
View
B+
Retailer 15
-
$9,453 AUD
$6,640 USD
View
B+
Retailer 16
-
$9,466 AUD
$6,649 USD
View
B+
Retailer 17
-
$9,894 AUD
€6,619 EUR
View
Retailer 18
-
$9,982 AUD
$7,012 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
$13,412 AUD
£7,418 GBP
View
Most Expensive
B
NZ Jewellers
6aa90f12-10cb-44a1-aaa7-1b2223598626 · Oct 30
$15,144 AUD
$10,638 USD
View
19 more retailers have this diamond
Prices start from $6,857 AUDSave up to $8,287 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
$6,857 AUD