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Round|Natural|IGI

1.00ct J IF Round Natural Diamond

EX • J/IF • IGI 811689190

Shape and cutting style on the report: Round brilliant

Certificate IGI 811689190

Diamond specifications and retailer prices

From $2,212 SGD
As of November 6, 2026
Save $3,940 SGD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,153 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 811689190. Listed at 16 retailers as of November 5, 2026, with prices from $2,212 to $6,153, a $3,940 spread on the same certified stone. NZ Jewellers lists it at $6,153. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 811689190
Dimensions6.28 × 6.37 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.28 mm6.37 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 811689190
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.4%

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 6
Current: $6,153 SGD|Low: $2,212 SGD|High: $6,153 SGD|Avg: $3,315 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
November 6, 2026
Retailer 2$2,212 SGD
Retailer 11$2,523 SGD
Retailer 14$2,599 SGD
Retailer 9$2,684 SGD
Retailer 4$2,716 SGD
Retailer 3$2,935 SGD
Retailer 6$2,943 SGD
Retailer 5$3,078 SGD
Retailer 12$3,266 SGD
Retailer 10$3,373 SGD
Retailer 15$3,395 SGD
Retailer 8$3,460 SGD
Retailer 7$4,271 SGD
Retailer 13$5,141 SGD
NZ Jewellers$6,153 SGD

29 data points across 15 retailers

16 retailers$2,212 SGD to $6,153 SGD

A
Cheapest Retailer
-
$2,212 SGD
A
Retailer 2
-
$2,523 SGD
View
A
Retailer 3
-
$2,599 SGD
View
A
Retailer 4
-
$2,684 SGD
View
A
Retailer 5
-
$2,716 SGD
View
Final sale: no returns
A
Retailer 6
-
$2,935 SGD
View
A
Retailer 7
-
$2,943 SGD
View
A
Retailer 8
-
$2,979 SGD
View
A
Retailer 9
-
$3,078 SGD
View
A
Retailer 10
-
$3,266 SGD
View
A
Retailer 11
-
$3,373 SGD
View
B+
Retailer 12
-
$3,395 SGD
View
A
Retailer 13
-
$3,460 SGD
View
B+
Retailer 14
-
$4,271 SGD
View
B
Retailer 15
-
$5,141 SGD
View
Most Expensive
B
NZ Jewellers
ae31ed70-5468-4f17-8e74-24f0cd9eaf8c · Nov 5
$6,153 SGD
$4,817 USD
View
15 more retailers have this diamond
Prices start from $2,212 SGDSave up to $3,940 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
$2,212 SGD