Round|Natural|IGI

1.09ct I IF Round Natural Diamond

EX • I/IF • IGI 778651427

Shape and cutting style on the report: Round brilliant

Certificate IGI 778651427

Diamond specifications and retailer prices

From $2,418 USD
₹230,282 INR
As of November 1, 2026
Save $3,759 USD (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,177 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.09ct natural round diamond

This 1.09ct 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 778651427. Listed at 19 retailers as of October 30, 2026, with prices from $2,418 to $6,177, a $3,759 spread on the same certified stone. NZ Jewellers lists it at $6,177. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 778651427
Dimensions6.48 × 6.55 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.48 mm6.55 mm1.09 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778651427
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°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: Nov 1
Current: $2,418 USD|Low: $2,412 USD|High: $5,135 USD|Avg: $3,195 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 1$2,418 USD
Retailer 3$2,646 USD
Retailer 11$2,650 USD
Retailer 9$2,726 USD
Retailer 2$2,955 USD
Retailer 10$2,955 USD
Retailer 6$3,197 USD
Retailer 8$3,423 USD
Retailer 5$3,445 USD
Retailer 7$3,632 USD
Retailer 4$4,942 USD

34 data points across 11 retailers

19 retailers$2,418 USD to $6,177 USD

A
Cheapest Retailer
-
$2,418 USD
₹230,282 INR
A
Retailer 2
-
$2,646 USD
View
A
Retailer 3
-
$2,650 USD
View
A
Retailer 4
-
$2,726 USD
View
Final sale: no returns
A
Retailer 5
-
$2,896 USD
View
Retailer 6
-
$2,955 USD
View
Price last confirmed 55 days ago
Retailer 7
-
$2,955 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
$2,955 USD
View
Retailer 9
-
$3,068 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
$3,197 USD
£2,517 GBP
View
A
Retailer 11
-
$3,423 USD
£2,695 GBP
View
A
Retailer 12
-
$3,445 USD
€3,281 EUR
View
Retailer 13
-
$3,500 USD
View
Price last confirmed 55 days ago
Retailer 14
-
$3,500 USD
View
Price last confirmed 33 days ago
A
Retailer 15
-
$3,632 USD
ZAR 58,671 ZAR
View
B+
Retailer 16
-
$4,942 USD
£3,891 GBP
View
Retailer 17
-
$5,285 USD
View
Price last confirmed 61 days ago
Retailer 18
-
$5,285 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
c028d8c0-c3d6-4dfc-a48f-a91af3848ce8 · Oct 30
$6,177 USD
View
18 more retailers have this diamond
Prices start from $2,418 USDSave up to $3,759 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
1.09ct Round
$2,418 USD