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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7542072178

Certificate GIA 7542072178

Diamond specifications and retailer prices

From $4,234 AUD
₹283,236 INR
As of October 31, 2026
Save $1,224 AUD (22%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,458 AUD at GemTrove · As of October 31, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7542072178. Listed at 7 retailers as of October 31, 2026, with prices from $4,234 to $5,458, a $1,224 spread on the same certified stone. GemTrove lists it at $5,458. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7542072178
Dimensions7.25 × 7.31 × 4.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Indented Natural
Top View
7.25 mm7.31 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7542072178
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 63.3%

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: $5,458 AUD|Low: $4,223 AUD|High: $6,042 AUD|Avg: $5,071 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2$4,234 AUD
Retailer 3$4,267 AUD
Retailer 4$4,346 AUD
Retailer 6$4,990 AUD
Retailer 5$5,087 AUD
GemTrove$5,458 AUD
Retailer 7$6,042 AUD

45 data points across 7 retailers

7 retailers$4,234 AUD to $5,458 AUD

A
Cheapest Retailer
-
$4,234 AUD
₹283,236 INR
A
Retailer 2
-
$4,267 AUD
$2,997 USD
View
A
Retailer 3
-
$4,346 AUD
$3,053 USD
View
Final sale: no returns
A
Retailer 4
-
$4,990 AUD
SGD 4,737 SGD
View
B+
Retailer 5
-
$5,087 AUD
$3,573 USD
View
B+
Retailer 6
-
$5,350 AUD
View
Most Expensive
B+
GemTrove
GT-N-01366139-98 · Oct 31
$5,458 AUD
View
6 more retailers have this diamond
Prices start from $4,234 AUDSave up to $1,224 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
$4,234 AUD