Round|Natural|IGI

1.00ct I IF Round Natural Diamond

EX • I/IF • IGI 628465765

Shape and cutting style on the report: Round brilliant

Certificate IGI 628465765

Diamond specifications and retailer prices

From $2,254 USD
As of October 30, 2026
Save $2,124 USD (49%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,217 USD at NZ Jewellers · As of October 3, 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 628465765. Listed at 20 retailers as of October 26, 2026, with a 94% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle34.9°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 628465765
Dimensions6.40 × 6.37 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.37 mm1.00 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 628465765
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: $3,067 USD|Low: $2,300 USD|High: $4,425 USD|Avg: $2,870 USD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$2,300 USD
Retailer 10$2,303 USD
Retailer 3$2,336 USD
Retailer 2$2,495 USD
Retailer 11$2,495 USD
Retailer 4$2,698 USD
Retailer 7$2,868 USD
Retailer 8$2,927 USD
Retailer 1$3,067 USD
Retailer 5$3,116 USD
Retailer 6$4,378 USD

40 data points across 11 retailers

20 retailers$2,254 USD to $4,378 USD

A
Cheapest Retailer
-
$2,254 USD
A
Retailer 2
-
$2,255 USD
View
Retailer 3
-
$2,300 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$2,303 USD
View
Final sale: no returns
A
Retailer 5
-
$2,336 USD
View
Retailer 6
-
$2,495 USD
View
Price last confirmed 44 days ago
Retailer 7
-
$2,495 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$2,495 USD
View
Price last confirmed 23 days ago
A
Retailer 9
-
$2,636 USD
View
A
Retailer 10
-
$2,698 USD
£2,125 GBP
View
Retailer 11
-
$2,879 USD
View
Price last confirmed 41 days ago
Retailer 12
-
$2,879 USD
View
Price last confirmed 47 days ago
A
Retailer 13
-
$2,927 USD
£2,305 GBP
View
A
Retailer 14
-
$3,067 USD
ZAR 49,553 ZAR
View
A
Retailer 15
-
$3,116 USD
€2,968 EUR
View
A
Retailer 16
-
$3,597 USD
£2,832 GBP
View
B+
Retailer 17
-
$4,378 USD
£3,447 GBP
View
Retailer 18
-
$5,217 USD
View
Price last confirmed 47 days ago
Retailer 19
-
$5,217 USD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
05bdaad3-e279-4800-ba5d-947c24b57f84 · Oct 3
$5,217 USD
View
Price last confirmed 28 days ago
19 more retailers have this diamond
Prices start from $2,254 USDSave up to $2,124 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
$2,254 USD