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Round|Natural|IGI

1.09ct K IF Round Natural Diamond

EX • K/IF • IGI 778692415

Shape and cutting style on the report: Round brilliant

Certificate IGI 778692415

Diamond specifications and retailer prices

From $2,266 USD
As of October 31, 2026
Save $478 USD (17%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,276 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 778692415. Listed at 9 retailers as of October 31, 2026, with a relatively tight 21% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
K
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 778692415
Dimensions6.54 × 6.57 × 4.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.54 mm6.57 mm1.09 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778692415
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,276 USD|Low: $1,831 USD|High: $4,276 USD|Avg: $2,528 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
November 6, 2026
Retailer 7$1,837 USD
Retailer 13$1,934 USD
Retailer 11$2,045 USD
Retailer 4$2,073 USD
Retailer 6$2,073 USD
Retailer 9$2,140 USD
Retailer 3$2,239 USD
Retailer 12$2,266 USD
Retailer 10$2,270 USD
Retailer 5$2,322 USD
Retailer 2$2,744 USD
Retailer 14$3,349 USD
Retailer 8$3,602 USD
NZ Jewellers$4,276 USD

32 data points across 14 retailers

9 retailers$2,266 USD to $2,744 USD

Retailer 1
-
$1,837 USD
Price last confirmed 7 days ago
Retailer 2
-
$2,045 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$2,140 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,266 USD
View
A
Retailer 5
-
$2,270 USD
View
A
Retailer 6
-
$2,744 USD
View
Retailer 7
-
$3,602 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$4,276 USD
View
Price last confirmed 66 days ago
Most Expensive
NZ Jewellers
ae161b0a-1ddb-40af-b98c-2b5978228565 · Oct 30
$4,276 USD
View
Price last confirmed 7 days ago
8 more retailers have this diamond
Prices start from $2,266 USDSave up to $478 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
$2,266 USD