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Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553557315

Certificate GIA 5553557315

Diamond specifications and retailer prices

From $7,636 AUD
SGD 7,248 SGD
As of October 31, 2026
Save $8,592 AUD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,227 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553557315. Listed at 16 retailers as of October 26, 2026, with prices from $7,636 to $16,227, a $8,592 spread on the same certified stone. Wholesale Diamonds Direct lists it at $16,227. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553557315
Dimensions7.23 × 7.28 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.23 mm7.28 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553557315
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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: $8,653 AUD|Low: $7,636 AUD|High: $16,227 AUD|Avg: $10,285 AUD|-9.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 1, 2026
Retailer 4$7,636 AUD
Retailer 9$7,722 AUD
Retailer 11$7,947 AUD
Retailer 6$8,078 AUD
Retailer 8$8,179 AUD
Retailer 7$8,263 AUD
Retailer 1$8,653 AUD
Retailer 12$9,642 AUD
Retailer 2$9,686 AUD
Retailer 5$9,767 AUD
Retailer 3$12,535 AUD
Retailer 10$13,157 AUD
Wholesale Diamonds Direct$14,199 AUD

35 data points across 13 retailers

16 retailers$7,636 AUD to $16,227 AUD

A
Cheapest Retailer
-
$7,636 AUD
SGD 7,248 SGD
A
Retailer 2
-
$7,722 AUD
$5,424 USD
View
A
Retailer 3
-
$7,947 AUD
SGD 7,544 SGD
View
A
Retailer 4
-
$8,078 AUD
$5,675 USD
View
A
Retailer 5
-
$8,179 AUD
$5,745 USD
View
A
Retailer 6
-
$8,263 AUD
$5,804 USD
View
A
Retailer 7
-
$8,653 AUD
£4,786 GBP
View
A
Retailer 8
-
$9,642 AUD
$6,773 USD
View
A
Retailer 9
-
$9,686 AUD
$6,804 USD
View
A
Retailer 10
-
$9,767 AUD
€6,534 EUR
View
B+
Retailer 11
-
$10,999 AUD
$7,726 USD
View
B+
Retailer 12
-
$12,535 AUD
$8,805 USD
View
B+
Retailer 13
-
$13,157 AUD
$9,242 USD
View
B+
Retailer 14
-
$14,199 AUD
$9,974 USD
View
B
Retailer 15
-
$14,848 AUD
$10,430 USD
View
Most Expensive
B
Wholesale Diamonds Direct
550937395 · Oct 26
$16,227 AUD
$11,399 USD
View
15 more retailers have this diamond
Prices start from $7,636 AUDSave up to $8,592 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
$7,636 AUD