Round|Natural|IGI

1.00ct I IF Round Natural Diamond

EX • I/IF • IGI 839689459

Shape and cutting style on the report: Round brilliant

Certificate IGI 839689459

Diamond specifications and retailer prices

From $2,345 USD
As of October 30, 2026
Save $3,130 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,475 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 839689459. Listed at 17 retailers as of October 30, 2026, with prices from $2,345 to $5,475, a $3,130 spread on the same certified stone. NZ Jewellers lists it at $5,475. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 839689459
Dimensions6.52 × 6.55 × 3.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.52 mm6.55 mm1.00 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839689459
Side View
Table 62.0%Crown 32.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 59.5%

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: $5,475 USD|Low: $2,345 USD|High: $5,475 USD|Avg: $3,119 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
October 31, 2026
Retailer 12$2,345 USD
Retailer 13$2,353 USD
Retailer 15$2,417 USD
Retailer 7$2,493 USD
Retailer 3$2,585 USD
Retailer 8$2,619 USD
Retailer 17$2,619 USD
Retailer 6$2,719 USD
Retailer 9$2,758 USD
Retailer 10$2,832 USD
Retailer 11$3,022 USD
Retailer 16$3,067 USD
Retailer 2$3,219 USD
Retailer 14$3,270 USD
Retailer 4$3,780 USD
Retailer 5$4,613 USD
NZ Jewellers$5,475 USD

11 data points across 17 retailers

17 retailers$2,345 USD to $5,475 USD

A
Cheapest Retailer
-
$2,345 USD
A
Retailer 2
-
$2,353 USD
£1,853 GBP
View
A
Retailer 3
-
$2,417 USD
View
Final sale: no returns
A
Retailer 4
-
$2,493 USD
View
A
Retailer 5
-
$2,585 USD
View
A
Retailer 6
-
$2,619 USD
View
A
Retailer 7
-
$2,619 USD
View
A
Retailer 8
-
$2,719 USD
View
A
Retailer 9
-
$2,758 USD
View
A
Retailer 10
-
$2,832 USD
£2,230 GBP
View
A
Retailer 11
-
$3,022 USD
View
A
Retailer 12
-
$3,067 USD
£2,415 GBP
View
A
Retailer 13
-
$3,219 USD
ZAR 52,001 ZAR
View
A
Retailer 14
-
$3,270 USD
€3,114 EUR
View
B+
Retailer 15
-
$3,780 USD
£2,976 GBP
View
B+
Retailer 16
-
$4,613 USD
£3,632 GBP
View
Most Expensive
B
NZ Jewellers
c49beb51-eaf6-4818-88cf-2fda20285fa5 · Oct 30
$5,475 USD
View
16 more retailers have this diamond
Prices start from $2,345 USDSave up to $3,130 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
1.00ct Round
$2,345 USD