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Round|Natural|GIA

1.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6555868760

Certificate GIA 6555868760

Diamond specifications and retailer prices

From $5,711 AUD
SGD 5,409 SGD
As of October 31, 2026
Save $6,108 AUD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,820 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555868760. Listed at 10 retailers as of October 26, 2026, with prices from $5,711 to $11,820, a $6,108 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,820. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555868760
Dimensions7.26 × 4.57 × 4.57 mm
L/W Ratio1.59
Culet sizeNone
Top View
7.26 mm4.57 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555868760
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: $7,278 AUD|Low: $5,711 AUD|High: $13,138 AUD|Avg: $8,359 AUD|-8.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 2, 2026
Retailer 6$5,711 AUD
Retailer 4$6,869 AUD
Retailer 8$7,080 AUD
Retailer 1$7,278 AUD
Retailer 5$7,691 AUD
Retailer 7$8,124 AUD
Retailer 2$8,348 AUD
Retailer 3$8,354 AUD
Wholesale Diamonds Direct$11,820 AUD

42 data points across 9 retailers

10 retailers$5,711 AUD to $11,820 AUD

A
Cheapest Retailer
-
$5,711 AUD
SGD 5,409 SGD
A
Retailer 2
-
$6,869 AUD
$4,814 USD
View
A
Retailer 3
-
$7,080 AUD
SGD 6,705 SGD
View
A
Retailer 4
-
$7,278 AUD
£4,016 GBP
View
A
Retailer 5
-
$7,691 AUD
$5,390 USD
View
A
Retailer 6
-
$8,124 AUD
$5,693 USD
View
A
Retailer 7
-
$8,348 AUD
€5,572 EUR
View
A
Retailer 8
-
$8,354 AUD
£4,610 GBP
View
A
Retailer 9
-
$8,708 AUD
$6,103 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
466152468 · Oct 26
$11,820 AUD
$8,284 USD
View
9 more retailers have this diamond
Prices start from $5,711 AUDSave up to $6,108 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
$5,711 AUD