Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1367318871

Certificate GIA 1367318871

Diamond specifications and retailer prices

From $5,295 USD
As of October 30, 2026
Save $5,915 USD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,210 USD 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 1367318871. Listed at 20 retailers as of October 30, 2026, with prices from $5,295 to $11,210, a $5,915 spread on the same certified stone. NZ Jewellers lists it at $11,210. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1367318871
Dimensions7.30 × 7.26 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.30 mm7.26 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1367318871
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: $8,239 USD|Low: $5,295 USD|High: $9,994 USD|Avg: $6,868 USD|+1.9%
Retailer 1
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
October 31, 2026
Retailer 4$5,295 USD
Retailer 12$5,305 USD
Retailer 14$5,660 USD
Retailer 9$5,925 USD
Retailer 2$6,072 USD
Retailer 3$6,072 USD
Retailer 13$6,072 USD
Retailer 5$6,427 USD
Retailer 6$6,460 USD
Retailer 15$6,542 USD
Retailer 7$7,006 USD
Retailer 10$7,344 USD
Retailer 8$8,030 USD
Retailer 1$8,239 USD
Retailer 11$9,928 USD

34 data points across 15 retailers

20 retailers$5,295 USD to $11,210 USD

B+
Cheapest Retailer
-
$5,295 USD
B+
Retailer 2
-
$5,305 USD
View
B
Retailer 3
-
$5,472 USD
View
B
Retailer 4
-
$5,660 USD
View
B+
Retailer 5
-
$5,925 USD
£4,665 GBP
View
B
Retailer 6
-
$6,072 USD
View
B
Retailer 7
-
$6,072 USD
View
B+
Retailer 8
-
$6,072 USD
View
B
Retailer 9
-
$6,427 USD
View
B
Retailer 10
-
$6,460 USD
View
B
Retailer 11
-
$6,460 USD
View
Retailer 12
-
$6,542 USD
A$10,064 AUD
View
Price last confirmed 18 days ago
B
Retailer 13
-
$6,670 USD
View
B
Retailer 14
-
$7,006 USD
View
B
Retailer 15
-
$7,344 USD
€6,994 EUR
View
Retailer 16
-
$7,389 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$8,030 USD
£6,323 GBP
View
B
Retailer 18
-
$8,239 USD
ZAR 133,099 ZAR
View
B
Retailer 19
-
$9,928 USD
£7,817 GBP
View
Most Expensive
B
NZ Jewellers
9327b21a-3ec2-40d7-966f-d43c17bac7f0 · Oct 30
$11,210 USD
View
19 more retailers have this diamond
Prices start from $5,295 USDSave up to $5,915 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
$5,295 USD