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Round|Natural|IGI

1.00ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 801638634

Certificate IGI 801638634

Diamond specifications and retailer prices

From $1,768 USD
Save $2,602 USD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,370 USD at NZ Jewellers
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 801638634. Listed at 20 retailers, with prices from $1,768 to $4,370 at NZ Jewellers, a $2,602 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 801638634
Dimensions6.47 × 6.43 × 3.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.47 mm6.43 mm1.00 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638634
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 29
Current: $4,370 USD|Low: $1,768 USD|High: $4,370 USD|Avg: $2,456 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
October 1, 2026
Retailer 11$1,768 USD
Retailer 19$1,830 USD
Retailer 7$1,888 USD
Retailer 13$1,974 USD
Retailer 4$1,995 USD
Retailer 8$2,090 USD
Retailer 20$2,090 USD
Retailer 12$2,115 USD
Retailer 16$2,187 USD
Retailer 9$2,229 USD
Retailer 6$2,245 USD
Retailer 17$2,274 USD
Retailer 10$2,412 USD
Retailer 3$2,413 USD
Retailer 2$2,486 USD
Retailer 15$2,521 USD
Retailer 14$2,801 USD
Retailer 5$3,069 USD
Retailer 18$3,707 USD
NZ Jewellers$4,370 USD

14 data points across 20 retailers

20 retailers$1,768 USD to $4,370 USD

A
Cheapest Retailer
-
$1,768 USD
A
Retailer 2
-
$1,830 USD
View
A
Retailer 3
-
$1,888 USD
View
A
Retailer 4
-
$1,974 USD
£1,555 GBP
View
B+
Retailer 5
-
$1,995 USD
View
B+
Retailer 6
-
$2,090 USD
View
B+
Retailer 7
-
$2,090 USD
View
B+
Retailer 8
-
$2,115 USD
View
B+
Retailer 9
-
$2,187 USD
View
B+
Retailer 10
-
$2,229 USD
View
B+
Retailer 11
-
$2,245 USD
View
B+
Retailer 12
-
$2,279 USD
£1,794 GBP
View
B+
Retailer 13
-
$2,412 USD
View
B+
Retailer 14
-
$2,413 USD
£1,900 GBP
View
B+
Retailer 15
-
$2,486 USD
₹236,774 INR
View
B+
Retailer 16
-
$2,521 USD
ZAR 40,720 ZAR
View
B
Retailer 17
-
$2,801 USD
€2,668 EUR
View
B
Retailer 18
-
$3,069 USD
View
B
Retailer 19
-
$3,707 USD
£2,919 GBP
View
Most Expensive
B
NZ Jewellers
f4a3c651-dab6-4ec9-95bc-84186faaca24 · Sep 28
$4,370 USD
View
19 more retailers have this diamond
Prices start from $1,768 USDSave up to $2,602 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.

A
1.00ct Round
$1,768 USD