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Round|Natural|IGI

1.00ct I IF Round Natural Diamond

EX • I/IF • IGI 839689459

Shape and cutting style on the report: Round brilliant

Certificate IGI 839689459

Diamond specifications and retailer prices

From $2,998 SGD
$2,345 USD
As of November 1, 2026
Save $4,001 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,999 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 839689459. Listed at 17 retailers as of October 30, 2026, with prices from $2,998 to $6,999, a $4,001 spread on the same certified stone. NZ Jewellers lists it at $6,999. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 839689459
Dimensions6.52 × 6.55 × 3.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.52 mm6.55 mm1.00 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839689459
Side View
Table 62.0%Crown 32.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 59.5%

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: $6,999 SGD|Low: $2,998 SGD|High: $6,999 SGD|Avg: $3,976 SGD
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 15$2,998 SGD
Retailer 10$2,999 SGD
Retailer 16$3,090 SGD
Retailer 7$3,187 SGD
Retailer 4$3,305 SGD
Retailer 3$3,348 SGD
Retailer 8$3,348 SGD
Retailer 6$3,476 SGD
Retailer 9$3,525 SGD
Retailer 12$3,621 SGD
Retailer 14$3,863 SGD
Retailer 17$3,921 SGD
Retailer 13$4,115 SGD
Retailer 2$4,163 SGD
Retailer 5$4,832 SGD
Retailer 11$5,866 SGD
NZ Jewellers$6,999 SGD

12 data points across 17 retailers

17 retailers$2,998 SGD to $6,999 SGD

A
Cheapest Retailer
-
$2,998 SGD
$2,345 USD
A
Retailer 2
-
$2,999 SGD
£1,847 GBP
View
A
Retailer 3
-
$3,090 SGD
$2,417 USD
View
Final sale: no returns
A
Retailer 4
-
$3,187 SGD
$2,493 USD
View
A
Retailer 5
-
$3,305 SGD
$2,585 USD
View
A
Retailer 6
-
$3,348 SGD
$2,619 USD
View
A
Retailer 7
-
$3,348 SGD
$2,619 USD
View
A
Retailer 8
-
$3,476 SGD
$2,719 USD
View
A
Retailer 9
-
$3,525 SGD
$2,758 USD
View
A
Retailer 10
-
$3,621 SGD
£2,230 GBP
View
A
Retailer 11
-
$3,863 SGD
$3,022 USD
View
A
Retailer 12
-
$3,921 SGD
£2,415 GBP
View
A
Retailer 13
-
$4,115 SGD
ZAR 52,001 ZAR
View
A
Retailer 14
-
$4,163 SGD
€3,101 EUR
View
B+
Retailer 15
-
$4,832 SGD
£2,976 GBP
View
B+
Retailer 16
-
$5,866 SGD
£3,613 GBP
View
Most Expensive
B
NZ Jewellers
c49beb51-eaf6-4818-88cf-2fda20285fa5 · Oct 30
$6,999 SGD
$5,475 USD
View
16 more retailers have this diamond
Prices start from $2,998 SGDSave up to $4,001 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
1.00ct Round
$2,998 SGD