Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6545473292

Certificate GIA 6545473292

Diamond specifications and retailer prices

From $3,779 USD
As of October 30, 2026
Save $4,099 USD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,878 USD 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 $3,779 to $7,878, a $4,099 spread on the same certified stone. MOH London lists it at $7,878. 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
Color
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

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,878 USD|Low: $2,560 USD|High: $7,878 USD|Avg: $4,306 USD|+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$2,560 USD
Retailer 6$3,456 USD
Retailer 8$3,590 USD
Retailer 12$3,779 USD
Retailer 5$3,823 USD
Retailer 4$3,885 USD
Retailer 14$3,921 USD
Retailer 15$4,114 USD
Retailer 13$4,220 USD
Retailer 9$4,860 USD
Retailer 3$5,090 USD
Retailer 10$5,269 USD
Retailer 11$5,432 USD
Retailer 16$5,448 USD
Retailer 2$6,047 USD
MOH London$7,878 USD

30 data points across 16 retailers

20 retailers$3,779 USD to $7,878 USD

Retailer 1
-
$2,560 USD
HK$20,000 HKD
Price last confirmed 29 days ago
Retailer 2
-
$3,456 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$3,495 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$3,590 USD
SGD 4,852 SGD
View
Price last confirmed 30 days ago
Retailer 5
-
$3,629 USD
View
Price last confirmed 31 days ago
B+
Retailer 6
-
$3,779 USD
View
Retailer 7
-
$3,823 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,885 USD
View
B+
Retailer 9
-
$3,921 USD
View
B+
Retailer 10
-
$4,068 USD
A$6,259 AUD
View
B+
Retailer 11
-
$4,114 USD
View
Final sale: no returns
B+
Retailer 12
-
$4,220 USD
View
B+
Retailer 13
-
$4,860 USD
£3,827 GBP
View
B
Retailer 14
-
$4,889 USD
View
B
Retailer 15
-
$5,090 USD
View
B
Retailer 16
-
$5,269 USD
€5,018 EUR
View
B
Retailer 17
-
$5,448 USD
£4,290 GBP
View
B
Retailer 18
-
$6,047 USD
ZAR 97,691 ZAR
View
Retailer 19
-
$6,181 USD
View
Price last confirmed 33 days ago
Most Expensive
C
MOH London
2C7F0CB91 · Oct 29
$7,878 USD
£6,203 GBP
View
19 more retailers have this diamond
Prices start from $3,779 USDSave up to $4,099 USD

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
$3,779 USD