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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6551696109

Certificate GIA 6551696109

Diamond specifications and retailer prices

From $4,680 SGD
HK$28,600 HKD
As of October 31, 2026
Save $5,836 SGD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,516 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 6551696109. Listed at 22 retailers as of October 30, 2026, with prices from $4,680 to $10,516, a $5,836 spread on the same certified stone. NZ Jewellers lists it at $10,516. 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°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551696109
Dimensions7.26 × 7.21 × 4.54 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.26 mm7.21 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551696109
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: Oct 31
Current: $10,516 SGD|Low: $4,631 SGD|High: $10,516 SGD|Avg: $6,988 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 1, 2026
Retailer 18$4,680 SGD
Retailer 17$4,772 SGD
Retailer 11$5,263 SGD
Retailer 8$5,570 SGD
Retailer 19$5,695 SGD
Retailer 7$5,762 SGD
Retailer 10$5,945 SGD
Retailer 13$5,963 SGD
Retailer 4$6,035 SGD
Retailer 5$6,035 SGD
Retailer 22$6,035 SGD
Retailer 20$6,228 SGD
Retailer 2$6,689 SGD
Retailer 6$6,738 SGD
Retailer 9$6,965 SGD
Retailer 21$7,231 SGD
Retailer 15$7,284 SGD
Retailer 16$7,419 SGD
Retailer 14$8,872 SGD
Retailer 12$9,121 SGD
Retailer 3$9,665 SGD
NZ Jewellers$10,516 SGD

21 data points across 22 retailers

22 retailers$4,680 SGD to $10,516 SGD

A
Cheapest Retailer
-
$4,680 SGD
HK$28,600 HKD
A
Retailer 2
-
$4,772 SGD
₹355,518 INR
View
B+
Retailer 3
-
$5,263 SGD
$4,117 USD
View
B+
Retailer 4
-
$5,570 SGD
$4,357 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,695 SGD
$4,455 USD
View
B+
Retailer 6
-
$5,762 SGD
View
B+
Retailer 7
-
$5,945 SGD
View
B+
Retailer 8
-
$5,963 SGD
£3,673 GBP
View
B+
Retailer 9
-
$6,035 SGD
$4,721 USD
View
B+
Retailer 10
-
$6,035 SGD
$4,721 USD
View
B+
Retailer 11
-
$6,035 SGD
$4,721 USD
View
B+
Retailer 12
-
$6,228 SGD
$4,872 USD
View
Retailer 13
-
$6,488 SGD
A$7,808 AUD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
$6,689 SGD
€4,983 EUR
View
B
Retailer 15
-
$6,738 SGD
£4,150 GBP
View
B
Retailer 16
-
$6,965 SGD
$5,448 USD
View
B+
Retailer 17
-
$7,231 SGD
£4,454 GBP
View
B+
Retailer 18
-
$7,419 SGD
ZAR 93,757 ZAR
View
B
Retailer 19
-
$8,872 SGD
$6,940 USD
View
B
Retailer 20
-
$9,121 SGD
$7,135 USD
View
B
Retailer 21
-
$9,665 SGD
£5,953 GBP
View
Most Expensive
B
NZ Jewellers
f38c7e27-58e3-4b8b-a85d-8d89340a845f · Oct 30
$10,516 SGD
$8,226 USD
View
21 more retailers have this diamond
Prices start from $4,680 SGDSave up to $5,836 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
$4,680 SGD