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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 $730 USD
HK$5,700 HKD
As of October 31, 2026
Save $2,330 USD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,060 USD 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 $730 to $3,060, a $2,330 spread on the same certified stone. NZ Jewellers lists it at $3,060. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,060 USD|Low: $717 USD|High: $3,162 USD|Avg: $1,198 USD|-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 31, 2026
Retailer 2$730 USD
Retailer 17$732 USD
Retailer 9$885 USD
Retailer 7$896 USD
Retailer 3$976 USD
Retailer 18$976 USD
Retailer 12$991 USD
Retailer 10$995 USD
Retailer 8$1,006 USD
Retailer 20$1,010 USD
Retailer 5$1,037 USD
Retailer 6$1,055 USD
Retailer 13$1,096 USD
Retailer 16$1,126 USD
Retailer 14$1,133 USD
Retailer 4$1,212 USD
Retailer 11$1,304 USD
Retailer 15$1,438 USD
Retailer 19$1,791 USD
NZ Jewellers$3,060 USD

23 data points across 20 retailers

21 retailers$730 USD to $3,060 USD

A
Cheapest Retailer
-
$730 USD
HK$5,700 HKD
A
Retailer 2
-
$732 USD
₹69,674 INR
View
A
Retailer 3
-
$885 USD
View
A
Retailer 4
-
$896 USD
View
Final sale: no returns
A
Retailer 5
-
$976 USD
View
A
Retailer 6
-
$976 USD
View
A
Retailer 7
-
$991 USD
View
A
Retailer 8
-
$995 USD
View
A
Retailer 9
-
$1,006 USD
SGD 1,360 SGD
View
A
Retailer 10
-
$1,010 USD
View
B+
Retailer 11
-
$1,037 USD
View
B+
Retailer 12
-
$1,055 USD
View
B+
Retailer 13
-
$1,096 USD
View
B+
Retailer 14
-
$1,126 USD
View
B+
Retailer 15
-
$1,133 USD
£892 GBP
View
B+
Retailer 16
-
$1,212 USD
View
Retailer 17
-
$1,304 USD
€1,242 EUR
View
Price last confirmed 8 days ago
Retailer 18
-
$1,342 USD
A$2,065 AUD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
$1,438 USD
ZAR 23,229 ZAR
View
B
Retailer 20
-
$1,791 USD
£1,410 GBP
View
Most Expensive
B
NZ Jewellers
7ebaa711-c764-47f5-be3f-3f43d9fa341b · Oct 30
$3,060 USD
View
20 more retailers have this diamond
Prices start from $730 USDSave up to $2,330 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
0.80ct Round
$730 USD