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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 $3,622 USD
HK$28,300 HKD
As of October 30, 2026
Save $4,604 USD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,226 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 6551696109. Listed at 22 retailers as of October 30, 2026, with prices from $3,622 to $8,226, a $4,604 spread on the same certified stone. NZ Jewellers lists it at $8,226. 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
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 30
Current: $8,226 USD|Low: $3,622 USD|High: $8,226 USD|Avg: $5,496 USD
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
October 31, 2026
Retailer 4$3,622 USD
Retailer 13$3,746 USD
Retailer 11$4,117 USD
Retailer 7$4,357 USD
Retailer 2$4,455 USD
Retailer 6$4,507 USD
Retailer 9$4,650 USD
Retailer 18$4,665 USD
Retailer 3$4,721 USD
Retailer 20$4,721 USD
Retailer 22$4,721 USD
Retailer 16$4,872 USD
Retailer 19$5,269 USD
Retailer 5$5,271 USD
Retailer 8$5,448 USD
Retailer 17$5,656 USD
Retailer 15$5,698 USD
Retailer 10$6,130 USD
Retailer 14$6,940 USD
Retailer 12$7,135 USD
Retailer 21$7,560 USD
NZ Jewellers$8,226 USD

21 data points across 22 retailers

22 retailers$3,622 USD to $8,226 USD

A
Cheapest Retailer
-
$3,622 USD
HK$28,300 HKD
A
Retailer 2
-
$3,746 USD
₹356,755 INR
View
B+
Retailer 3
-
$4,117 USD
View
B+
Retailer 4
-
$4,357 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,455 USD
View
B+
Retailer 6
-
$4,507 USD
SGD 6,091 SGD
View
B+
Retailer 7
-
$4,650 USD
SGD 6,284 SGD
View
B+
Retailer 8
-
$4,665 USD
£3,673 GBP
View
B+
Retailer 9
-
$4,721 USD
View
B+
Retailer 10
-
$4,721 USD
View
B+
Retailer 11
-
$4,721 USD
View
B+
Retailer 12
-
$4,872 USD
View
Retailer 13
-
$5,075 USD
A$7,808 AUD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
$5,269 USD
€5,018 EUR
View
B
Retailer 15
-
$5,271 USD
£4,150 GBP
View
B
Retailer 16
-
$5,448 USD
View
B+
Retailer 17
-
$5,656 USD
£4,454 GBP
View
B
Retailer 18
-
$6,130 USD
ZAR 99,034 ZAR
View
B
Retailer 19
-
$6,940 USD
View
B
Retailer 20
-
$7,135 USD
View
B
Retailer 21
-
$7,560 USD
£5,953 GBP
View
Most Expensive
B
NZ Jewellers
f38c7e27-58e3-4b8b-a85d-8d89340a845f · Oct 30
$8,226 USD
View
21 more retailers have this diamond
Prices start from $3,622 USDSave up to $4,604 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.

A
1.50ct Round
$3,622 USD