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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 $3,091 SGD
₹230,282 INR
As of November 1, 2026
Save $4,806 SGD (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,897 SGD 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 $3,091 to $7,897, a $4,806 spread on the same certified stone. NZ Jewellers lists it at $7,897. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,091 SGD|Low: $3,084 SGD|High: $6,564 SGD|Avg: $4,084 SGD|-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$3,091 SGD
Retailer 3$3,383 SGD
Retailer 11$3,388 SGD
Retailer 9$3,485 SGD
Retailer 2$3,778 SGD
Retailer 10$3,778 SGD
Retailer 6$4,086 SGD
Retailer 8$4,376 SGD
Retailer 5$4,404 SGD
Retailer 7$4,643 SGD
Retailer 4$6,317 SGD

34 data points across 11 retailers

19 retailers$3,091 SGD to $7,897 SGD

A
Cheapest Retailer
-
$3,091 SGD
₹230,282 INR
A
Retailer 2
-
$3,383 SGD
$2,646 USD
View
A
Retailer 3
-
$3,388 SGD
$2,650 USD
View
A
Retailer 4
-
$3,485 SGD
$2,726 USD
View
Final sale: no returns
A
Retailer 5
-
$3,702 SGD
$2,896 USD
View
Retailer 6
-
$3,778 SGD
$2,955 USD
View
Price last confirmed 55 days ago
Retailer 7
-
$3,778 SGD
$2,955 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
$3,778 SGD
$2,955 USD
View
Retailer 9
-
$3,922 SGD
$3,068 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
$4,086 SGD
£2,517 GBP
View
A
Retailer 11
-
$4,376 SGD
£2,695 GBP
View
A
Retailer 12
-
$4,404 SGD
€3,281 EUR
View
Retailer 13
-
$4,474 SGD
$3,500 USD
View
Price last confirmed 55 days ago
Retailer 14
-
$4,474 SGD
$3,500 USD
View
Price last confirmed 33 days ago
A
Retailer 15
-
$4,643 SGD
ZAR 58,671 ZAR
View
B+
Retailer 16
-
$6,317 SGD
£3,891 GBP
View
Retailer 17
-
$6,756 SGD
$5,285 USD
View
Price last confirmed 61 days ago
Retailer 18
-
$6,756 SGD
$5,285 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
c028d8c0-c3d6-4dfc-a48f-a91af3848ce8 · Oct 30
$7,897 SGD
$6,177 USD
View
18 more retailers have this diamond
Prices start from $3,091 SGDSave up to $4,806 SGD

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
$3,091 SGD