Round|Natural|IGI

1.09ct I IF Round Natural Diamond

EX • I/IF • IGI 803629118

Shape and cutting style on the report: Round brilliant

Certificate IGI 803629118

Diamond specifications and retailer prices

From $4,258 NZD
$2,400 USD
As of October 31, 2026
Save $4,070 NZD (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,138 NZD at NZ Jewellers · As of September 28, 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 803629118. Listed at 17 retailers as of October 31, 2026, with a 96% 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

1.09
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 803629118
Dimensions6.53 × 6.56 × 4.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.53 mm6.56 mm1.09 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629118
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 63.0%

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 31
Current: $10,138 NZD|Low: $4,258 NZD|High: $10,138 NZD|Avg: $5,847 NZD
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
November 2, 2026
Retailer 12$4,258 NZD
Retailer 9$4,347 NZD
Retailer 10$4,579 NZD
Retailer 5$4,849 NZD
Retailer 7$5,005 NZD
Retailer 3$5,007 NZD
Retailer 2$5,142 NZD
Retailer 11$5,566 NZD
Retailer 13$5,844 NZD
Retailer 6$5,911 NZD
Retailer 4$6,841 NZD
Retailer 8$8,328 NZD
NZ Jewellers$10,138 NZD

43 data points across 13 retailers

17 retailers$4,258 NZD to $8,328 NZD

A
Cheapest Retailer
-
$4,258 NZD
$2,400 USD
A
Retailer 2
-
$4,347 NZD
$2,450 USD
View
A
Retailer 3
-
$4,579 NZD
$2,581 USD
View
Retailer 4
-
$4,849 NZD
$2,733 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$4,849 NZD
$2,733 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$5,005 NZD
$2,821 USD
View
A
Retailer 7
-
$5,007 NZD
$2,822 USD
View
Retailer 8
-
$5,035 NZD
$2,838 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
$5,142 NZD
£2,282 GBP
View
A
Retailer 10
-
$5,566 NZD
£2,470 GBP
View
Retailer 11
-
$5,596 NZD
$3,154 USD
View
Price last confirmed 34 days ago
A
Retailer 12
-
$5,844 NZD
ZAR 53,207 ZAR
View
A
Retailer 13
-
$5,911 NZD
€3,173 EUR
View
A
Retailer 14
-
$6,841 NZD
£3,036 GBP
View
B+
Retailer 15
-
$8,328 NZD
£3,696 GBP
View
Retailer 16
-
$10,138 NZD
$5,714 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
c267e8ba-927e-4014-893b-e67ef534324c · Sep 28
$10,138 NZD
$5,714 USD
View
Price last confirmed 35 days ago
16 more retailers have this diamond
Prices start from $4,258 NZDSave up to $4,070 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
$4,258 NZD