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Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7558599604

Certificate GIA 7558599604

Diamond specifications and retailer prices

From $7,948 AUD
As of November 6, 2026
Save $6,122 AUD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $14,070 AUD at MOH London · As of November 4, 2026
View at MOH London

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 7558599604. Listed at 13 retailers as of November 4, 2026, with prices from $7,948 to $14,070, a $6,122 spread on the same certified stone. MOH London lists it at $14,070. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7558599604
Dimensions7.25 × 7.29 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Knot, Feather, Cloud, Needle
Top View
7.25 mm7.29 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558599604
Side View
Table 57.0%Crown 35.5°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: Nov 6
Current: $14,070 AUD|Low: $7,948 AUD|High: $15,081 AUD|Avg: $10,457 AUD|-6.6%
MOH London
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
November 6, 2026
Retailer 3$7,948 AUD
Retailer 15$8,059 AUD
Retailer 12$8,351 AUD
Retailer 6$8,566 AUD
Retailer 13$8,820 AUD
Retailer 14$8,839 AUD
Retailer 9$9,034 AUD
Retailer 8$9,806 AUD
Retailer 7$9,919 AUD
Retailer 2$10,111 AUD
Retailer 4$10,652 AUD
Retailer 11$11,049 AUD
Retailer 10$11,682 AUD
Retailer 5$11,710 AUD
MOH London$14,070 AUD

36 data points across 15 retailers

13 retailers$7,948 AUD to $14,070 AUD

A
Cheapest Retailer
-
$7,948 AUD
A
Retailer 2
-
$8,059 AUD
View
A
Retailer 3
-
$8,351 AUD
View
Retailer 4
-
$8,566 AUD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$8,820 AUD
View
A
Retailer 6
-
$8,839 AUD
View
Final sale: no returns
A
Retailer 7
-
$9,034 AUD
View
A
Retailer 8
-
$9,806 AUD
View
Retailer 9
-
$9,919 AUD
View
Price last confirmed 33 days ago
A
Retailer 10
-
$10,111 AUD
View
B+
Retailer 11
-
$11,049 AUD
View
B+
Retailer 12
-
$11,682 AUD
View
Most Expensive
B+
MOH London
CAF7B46BD · Nov 4
$14,070 AUD
£7,612 GBP
View
12 more retailers have this diamond
Prices start from $7,948 AUDSave up to $6,122 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
$7,948 AUD