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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6545473292

Certificate GIA 6545473292

Diamond specifications and retailer prices

From $4,831 SGD
$3,779 USD
As of October 30, 2026
Save $5,240 SGD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,071 SGD at MOH London · As of October 29, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545473292. Listed at 20 retailers as of October 29, 2026, with prices from $4,831 to $10,071, a $5,240 spread on the same certified stone. MOH London lists it at $10,071. 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
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545473292
Dimensions7.26 × 7.32 × 4.45 mm
L/W Ratio1.01
Top View
7.26 mm7.32 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545473292
Side View
Table 61.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,071 SGD|Low: $3,273 SGD|High: $10,071 SGD|Avg: $5,521 SGD|+32.6%
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
Retailer 16
October 31, 2026
Retailer 7$3,273 SGD
Retailer 6$4,418 SGD
Retailer 8$4,590 SGD
Retailer 12$4,831 SGD
Retailer 5$4,887 SGD
Retailer 4$4,967 SGD
Retailer 14$5,013 SGD
Retailer 15$5,259 SGD
Retailer 13$5,395 SGD
Retailer 9$6,214 SGD
Retailer 3$6,507 SGD
Retailer 10$6,736 SGD
Retailer 11$6,944 SGD
Retailer 16$6,965 SGD
Retailer 2$7,731 SGD
MOH London$10,071 SGD

29 data points across 16 retailers

20 retailers$4,831 SGD to $10,071 SGD

Retailer 1
-
$3,273 SGD
HK$20,000 HKD
Price last confirmed 29 days ago
Retailer 2
-
$4,418 SGD
$3,456 USD
View
Price last confirmed 15 days ago
Retailer 3
-
$4,468 SGD
$3,495 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$4,590 SGD
View
Price last confirmed 31 days ago
Retailer 5
-
$4,639 SGD
$3,629 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$4,831 SGD
$3,779 USD
View
Retailer 7
-
$4,887 SGD
$3,823 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$4,967 SGD
$3,885 USD
View
B+
Retailer 9
-
$5,013 SGD
$3,921 USD
View
B+
Retailer 10
-
$5,201 SGD
A$6,259 AUD
View
B+
Retailer 11
-
$5,259 SGD
$4,114 USD
View
Final sale: no returns
B+
Retailer 12
-
$5,395 SGD
$4,220 USD
View
B+
Retailer 13
-
$6,214 SGD
£3,827 GBP
View
B
Retailer 14
-
$6,250 SGD
$4,889 USD
View
B
Retailer 15
-
$6,507 SGD
$5,090 USD
View
B
Retailer 16
-
$6,736 SGD
€5,018 EUR
View
B
Retailer 17
-
$6,965 SGD
£4,290 GBP
View
B
Retailer 18
-
$7,731 SGD
ZAR 97,691 ZAR
View
Retailer 19
-
$7,902 SGD
$6,181 USD
View
Price last confirmed 34 days ago
Most Expensive
C
MOH London
2C7F0CB91 · Oct 29
$10,071 SGD
£6,203 GBP
View
19 more retailers have this diamond
Prices start from $4,831 SGDSave up to $5,240 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.

B+
1.50ct Round
$4,831 SGD