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Round|Natural|GIA

1.01ct J IF Round Natural Diamond

EX • J/IF • GIA 1488589185

Certificate GIA 1488589185

Diamond specifications and retailer prices

From $3,247 SGD
As of November 6, 2026
Save $4,330 SGD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,577 SGD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 GIA 1488589185. Listed at 20 retailers as of November 2, 2026, with prices from $3,247 to $7,577, a $4,330 spread on the same certified stone. NZ Jewellers lists it at $7,577. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1488589185
Dimensions6.38 × 6.37 × 4.01 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Cert comments
NO BGM…NO BLACK...Minor details of polish are not shown.
Top View
6.38 mm6.37 mm1.01 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1488589185
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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 6
Current: $3,755 SGD|Low: $3,262 SGD|High: $6,426 SGD|Avg: $4,118 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$3,262 SGD
Retailer 2$3,341 SGD
Retailer 9$3,344 SGD
Retailer 1$3,755 SGD
Retailer 11$3,764 SGD
Retailer 4$3,814 SGD
Retailer 10$4,061 SGD
Retailer 7$4,211 SGD
Retailer 5$4,233 SGD
Retailer 6$4,423 SGD
Retailer 8$6,333 SGD

44 data points across 11 retailers

20 retailers$3,247 SGD to $7,577 SGD

A
Cheapest Retailer
-
$3,247 SGD
A
Retailer 2
-
$3,262 SGD
View
A
Retailer 3
-
$3,341 SGD
View
A
Retailer 4
-
$3,344 SGD
View
Final sale: no returns
A
Retailer 5
-
$3,551 SGD
View
Retailer 6
-
$3,625 SGD
View
Price last confirmed 56 days ago
B+
Retailer 7
-
$3,625 SGD
View
Retailer 8
-
$3,625 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,755 SGD
View
B+
Retailer 10
-
$3,764 SGD
View
B+
Retailer 11
-
$3,814 SGD
View
Retailer 12
-
$4,061 SGD
View
Price last confirmed 30 days ago
Retailer 13
-
$4,182 SGD
View
Price last confirmed 60 days ago
B+
Retailer 14
-
$4,182 SGD
View
B+
Retailer 15
-
$4,211 SGD
View
B+
Retailer 16
-
$4,233 SGD
View
B+
Retailer 17
-
$4,423 SGD
View
B
Retailer 18
-
$6,333 SGD
View
Retailer 19
-
$7,577 SGD
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
da2b8d56-1a72-4b69-ad4f-f6fe86460a3c · Nov 2
$7,577 SGD
$5,932 USD
View
19 more retailers have this diamond
Prices start from $3,247 SGDSave up to $4,330 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
1.01ct Round
$3,247 SGD