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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7501741514

Certificate GIA 7501741514

Diamond specifications and retailer prices

From $4,876 SGD
HK$29,800 HKD
As of November 1, 2026
Save $6,104 SGD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,980 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 7501741514. Listed at 23 retailers as of October 30, 2026, with prices from $4,876 to $10,980, a $6,104 spread on the same certified stone. NZ Jewellers lists it at $10,980. 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
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7501741514
Dimensions7.36 × 7.32 × 4.53 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather, Crystal, Cloud
Top View
7.36 mm7.32 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7501741514
Side View
Table 59.0%Crown 32.5°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.8%

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: $10,980 SGD|Low: $4,827 SGD|High: $10,980 SGD|Avg: $7,038 SGD
NZ Jewellers
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 20$4,876 SGD
Retailer 16$4,971 SGD
Retailer 12$5,497 SGD
Retailer 8$5,587 SGD
Retailer 9$5,817 SGD
Retailer 22$5,881 SGD
Retailer 21$5,932 SGD
Retailer 13$6,175 SGD
Retailer 11$6,197 SGD
Retailer 4$6,303 SGD
Retailer 5$6,303 SGD
Retailer 6$6,303 SGD
Retailer 3$6,496 SGD
Retailer 7$6,521 SGD
Retailer 18$6,975 SGD
Retailer 10$7,272 SGD
Retailer 2$7,527 SGD
Retailer 19$7,747 SGD
Retailer 15$9,249 SGD
Retailer 14$9,509 SGD
Retailer 17$10,039 SGD
NZ Jewellers$10,980 SGD

22 data points across 22 retailers

23 retailers$4,876 SGD to $10,980 SGD

A
Cheapest Retailer
-
$4,876 SGD
HK$29,800 HKD
A
Retailer 2
-
$4,971 SGD
₹370,350 INR
View
B+
Retailer 3
-
$5,497 SGD
$4,300 USD
View
B+
Retailer 4
-
$5,587 SGD
View
B+
Retailer 5
-
$5,817 SGD
$4,550 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,881 SGD
$4,600 USD
View
B+
Retailer 7
-
$5,932 SGD
$4,640 USD
View
B+
Retailer 8
-
$6,175 SGD
£3,804 GBP
View
B+
Retailer 9
-
$6,197 SGD
View
B+
Retailer 10
-
$6,303 SGD
$4,930 USD
View
B+
Retailer 11
-
$6,303 SGD
$4,930 USD
View
B+
Retailer 12
-
$6,303 SGD
$4,930 USD
View
B
Retailer 13
-
$6,496 SGD
$5,081 USD
View
B
Retailer 14
-
$6,521 SGD
$5,101 USD
View
Retailer 15
-
$6,622 SGD
A$7,969 AUD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$6,975 SGD
€5,196 EUR
View
B
Retailer 17
-
$7,272 SGD
$5,688 USD
View
B+
Retailer 18
-
$7,527 SGD
£4,636 GBP
View
B
Retailer 19
-
$7,747 SGD
ZAR 97,898 ZAR
View
B
Retailer 20
-
$9,249 SGD
$7,235 USD
View
B
Retailer 21
-
$9,509 SGD
$7,438 USD
View
B
Retailer 22
-
$10,039 SGD
£6,183 GBP
View
Most Expensive
B
NZ Jewellers
d1e5f904-eb39-4ad7-9a09-37977d7083f9 · Oct 30
$10,980 SGD
$8,589 USD
View
22 more retailers have this diamond
Prices start from $4,876 SGDSave up to $6,104 SGD

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
$4,876 SGD