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Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1557942728

Certificate GIA 1557942728

Diamond specifications and retailer prices

From $1,001 CAD
HK$5,600 HKD
As of October 30, 2026
Save $3,273 CAD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,275 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557942728. Listed at 21 retailers as of October 30, 2026, with prices from $1,001 to $4,275, a $3,273 spread on the same certified stone. NZ Jewellers lists it at $4,275. 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

0.80
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1557942728
Dimensions5.85 × 5.90 × 3.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.85 mm5.90 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1557942728
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: $4,275 CAD|Low: $1,001 CAD|High: $4,417 CAD|Avg: $1,680 CAD|-3.2%
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
October 30, 2026
Retailer 5$1,001 CAD
Retailer 13$1,022 CAD
Retailer 9$1,236 CAD
Retailer 7$1,252 CAD
Retailer 15$1,363 CAD
Retailer 19$1,363 CAD
Retailer 12$1,384 CAD
Retailer 10$1,390 CAD
Retailer 8$1,406 CAD
Retailer 18$1,411 CAD
Retailer 3$1,449 CAD
Retailer 6$1,474 CAD
Retailer 16$1,525 CAD
Retailer 2$1,573 CAD
Retailer 14$1,582 CAD
Retailer 20$1,693 CAD
Retailer 11$1,822 CAD
Retailer 4$2,004 CAD
Retailer 17$2,501 CAD
NZ Jewellers$4,275 CAD

24 data points across 20 retailers

21 retailers$1,001 CAD to $4,275 CAD

A
Cheapest Retailer
-
$1,001 CAD
HK$5,600 HKD
A
Retailer 2
-
$1,022 CAD
₹69,674 INR
View
A
Retailer 3
-
$1,236 CAD
$885 USD
View
A
Retailer 4
-
$1,252 CAD
$896 USD
View
Final sale: no returns
A
Retailer 5
-
$1,363 CAD
$976 USD
View
A
Retailer 6
-
$1,363 CAD
$976 USD
View
A
Retailer 7
-
$1,384 CAD
$991 USD
View
A
Retailer 8
-
$1,390 CAD
$995 USD
View
A
Retailer 9
-
$1,406 CAD
SGD 1,360 SGD
View
A
Retailer 10
-
$1,411 CAD
$1,010 USD
View
B+
Retailer 11
-
$1,449 CAD
$1,037 USD
View
B+
Retailer 12
-
$1,474 CAD
$1,055 USD
View
B+
Retailer 13
-
$1,525 CAD
$1,092 USD
View
B+
Retailer 14
-
$1,573 CAD
$1,126 USD
View
B+
Retailer 15
-
$1,582 CAD
£892 GBP
View
B+
Retailer 16
-
$1,693 CAD
$1,212 USD
View
Retailer 17
-
$1,822 CAD
€1,242 EUR
View
Price last confirmed 7 days ago
Retailer 18
-
$1,875 CAD
A$2,065 AUD
View
Price last confirmed 25 days ago
B+
Retailer 19
-
$2,004 CAD
ZAR 23,172 ZAR
View
B
Retailer 20
-
$2,501 CAD
£1,410 GBP
View
Most Expensive
B
NZ Jewellers
7ebaa711-c764-47f5-be3f-3f43d9fa341b · Oct 30
$4,275 CAD
$3,060 USD
View
20 more retailers have this diamond
Prices start from $1,001 CADSave up to $3,273 CAD

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
0.80ct Round
$1,001 CAD