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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6555877169

Certificate GIA 6555877169

Diamond specifications and retailer prices

From $7,792 AUD
$5,480 USD
As of October 27, 2026
Save $7,236 AUD (48%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,743 AUD at NZ Jewellers · As of September 28, 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 6555877169. Listed at 20 retailers as of October 27, 2026, with a 93% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555877169
Dimensions7.37 × 7.33 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
7.37 mm7.33 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555877169
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.5%

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 27
Current: $9,635 AUD|Low: $6,819 AUD|High: $15,028 AUD|Avg: $9,293 AUD|+8.3%
Retailer 1
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
October 29, 2026
Retailer 9$7,251 AUD
Retailer 5$7,792 AUD
Retailer 3$8,017 AUD
Retailer 13$8,025 AUD
Retailer 6$8,124 AUD
Retailer 4$8,483 AUD
Retailer 10$8,689 AUD
Retailer 2$9,051 AUD
Retailer 14$9,326 AUD
Retailer 12$9,362 AUD
Retailer 11$9,413 AUD
Retailer 7$9,543 AUD
Retailer 1$9,635 AUD
Retailer 8$10,223 AUD
Retailer 18$10,223 AUD
Retailer 19$10,565 AUD
Retailer 16$10,803 AUD
Retailer 17$14,710 AUD
Retailer 15$15,028 AUD

31 data points across 19 retailers

20 retailers$7,792 AUD to $15,028 AUD

A
Cheapest Retailer
-
$7,792 AUD
$5,480 USD
A
Retailer 2
-
$8,017 AUD
$5,638 USD
View
A
Retailer 3
-
$8,025 AUD
$5,644 USD
View
A
Retailer 4
-
$8,124 AUD
$5,714 USD
View
A
Retailer 5
-
$8,483 AUD
$5,966 USD
View
Final sale: no returns
A
Retailer 6
-
$9,051 AUD
$6,366 USD
View
B+
Retailer 7
-
$9,326 AUD
$6,559 USD
View
B+
Retailer 8
-
$9,362 AUD
$6,584 USD
View
B+
Retailer 9
-
$9,413 AUD
$6,620 USD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
$9,543 AUD
$6,711 USD
View
B+
Retailer 11
-
$9,558 AUD
$6,722 USD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
$9,635 AUD
£5,336 GBP
View
B+
Retailer 13
-
$10,223 AUD
$7,190 USD
View
B+
Retailer 14
-
$10,223 AUD
$7,190 USD
View
B+
Retailer 15
-
$10,565 AUD
$7,430 USD
View
B+
Retailer 16
-
$10,803 AUD
€7,236 EUR
View
B+
Retailer 17
-
$10,860 AUD
$7,638 USD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$14,710 AUD
$10,346 USD
View
B
Retailer 19
-
$15,028 AUD
£8,322 GBP
View
Most Expensive
B
NZ Jewellers
0aca876c-1d31-4898-8c81-14c9bf76ede9 · Sep 28
$15,743 AUD
$11,072 USD
View
Price last confirmed 31 days ago
19 more retailers have this diamond
Prices start from $7,792 AUDSave up to $7,236 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
$7,792 AUD