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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 $5,276 NZD
₹283,175 INR
As of November 1, 2026
Save $1,527 NZD (22%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,802 NZD 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 $5,276 to $6,802, a $1,527 spread on the same certified stone. GemTrove lists it at $6,802. 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: Nov 1
Current: $6,802 NZD|Low: $5,263 NZD|High: $7,530 NZD|Avg: $6,313 NZD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2$5,276 NZD
Retailer 3$5,318 NZD
Retailer 4$5,417 NZD
Retailer 6$6,220 NZD
Retailer 5$6,340 NZD
GemTrove$6,802 NZD
Retailer 7$7,530 NZD

45 data points across 7 retailers

7 retailers$5,276 NZD to $6,802 NZD

A
Cheapest Retailer
-
$5,276 NZD
₹283,175 INR
A
Retailer 2
-
$5,318 NZD
$2,997 USD
View
A
Retailer 3
-
$5,417 NZD
$3,053 USD
View
Final sale: no returns
A
Retailer 4
-
$6,220 NZD
SGD 4,737 SGD
View
B+
Retailer 5
-
$6,340 NZD
$3,573 USD
View
B+
Retailer 6
-
$6,668 NZD
A$5,782 AUD
View
Most Expensive
B+
GemTrove
GT-N-01366139-98 · Oct 31
$6,802 NZD
A$5,898 AUD
View
6 more retailers have this diamond
Prices start from $5,276 NZDSave up to $1,527 NZD

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
$5,276 NZD