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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 $4,296 NZD
₹230,207 INR
As of November 2, 2026
Save $6,682 NZD (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,978 NZD 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 $4,296 to $10,978, a $6,682 spread on the same certified stone. NZ Jewellers lists it at $10,978. 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
Colour
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 2
Current: $4,296 NZD|Low: $4,287 NZD|High: $9,126 NZD|Avg: $5,679 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 1$4,296 NZD
Retailer 3$4,703 NZD
Retailer 11$4,710 NZD
Retailer 9$4,845 NZD
Retailer 2$5,252 NZD
Retailer 10$5,252 NZD
Retailer 4$5,634 NZD
Retailer 8$6,083 NZD
Retailer 6$6,123 NZD
Retailer 7$6,455 NZD
Retailer 5$8,783 NZD

34 data points across 11 retailers

19 retailers$4,296 NZD to $10,978 NZD

A
Cheapest Retailer
-
$4,296 NZD
₹230,207 INR
A
Retailer 2
-
$4,703 NZD
$2,646 USD
View
A
Retailer 3
-
$4,710 NZD
$2,650 USD
View
A
Retailer 4
-
$4,845 NZD
$2,726 USD
View
Final sale: no returns
A
Retailer 5
-
$5,147 NZD
$2,896 USD
View
Retailer 6
-
$5,252 NZD
$2,955 USD
View
Price last confirmed 56 days ago
Retailer 7
-
$5,252 NZD
$2,955 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$5,252 NZD
$2,955 USD
View
Retailer 9
-
$5,453 NZD
$3,068 USD
View
Price last confirmed 34 days ago
A
Retailer 10
-
$5,634 NZD
£2,496 GBP
View
A
Retailer 11
-
$6,083 NZD
£2,695 GBP
View
A
Retailer 12
-
$6,123 NZD
€3,281 EUR
View
Retailer 13
-
$6,221 NZD
$3,500 USD
View
Price last confirmed 56 days ago
Retailer 14
-
$6,221 NZD
$3,500 USD
View
Price last confirmed 34 days ago
A
Retailer 15
-
$6,455 NZD
ZAR 58,671 ZAR
View
B+
Retailer 16
-
$8,783 NZD
£3,891 GBP
View
Retailer 17
-
$9,393 NZD
$5,285 USD
View
Price last confirmed 62 days ago
Retailer 18
-
$9,393 NZD
$5,285 USD
View
Price last confirmed 36 days ago
Most Expensive
B
NZ Jewellers
c028d8c0-c3d6-4dfc-a48f-a91af3848ce8 · Oct 30
$10,978 NZD
$6,177 USD
View
18 more retailers have this diamond
Prices start from $4,296 NZDSave up to $6,682 NZD

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
$4,296 NZD