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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6555071427

Certificate GIA 6555071427

Diamond specifications and retailer prices

From $6,611 AUD
As of November 6, 2026
Save $1,799 AUD (21%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,411 AUD at GemTrove · As of November 6, 2026
View at GemTrove

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 6555071427. Listed at 6 retailers as of November 6, 2026, with prices from $6,611 to $8,411, a $1,799 spread on the same certified stone. GemTrove lists it at $8,411. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555071427
Dimensions7.25 × 7.29 × 4.56 mm
L/W Ratio1.01
Top View
7.25 mm7.29 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555071427
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,411 AUD|Low: $6,288 AUD|High: $8,411 AUD|Avg: $7,544 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$6,611 AUD
Retailer 4$7,295 AUD
Retailer 6$7,464 AUD
Retailer 5$7,798 AUD
Retailer 3$8,032 AUD
GemTrove$8,411 AUD

46 data points across 6 retailers

6 retailers$6,611 AUD to $8,411 AUD

A
Cheapest Retailer
-
$6,611 AUD
A
Retailer 2
-
$7,295 AUD
View
Final sale: no returns
A
Retailer 3
-
$7,464 AUD
View
A
Retailer 4
-
$7,798 AUD
View
A
Retailer 5
-
$8,032 AUD
View
Most Expensive
B+
GemTrove
GT-N-01365645-98 · Nov 6
$8,411 AUD
View
5 more retailers have this diamond
Prices start from $6,611 AUDSave up to $1,799 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
$6,611 AUD