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Round|Natural|GIA

1.02ct J IF Round Natural Diamond

EX • J/IF • GIA 1549645877

Certificate GIA 1549645877

Diamond specifications and retailer prices

From $2,906 SGD
As of November 1, 2026
Save $691 SGD (19%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,597 SGD at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 1.02ct natural round diamond

This 1.02ct 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 1549645877. Listed at 6 retailers as of November 1, 2026, with prices from $2,906 to $3,597, a $691 spread on the same certified stone. Blue Nile lists it at $3,597. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549645877
Dimensions6.37 × 6.42 × 4.01 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.37 mm6.42 mm1.02 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1549645877
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°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: $3,597 SGD|Low: $2,682 SGD|High: $4,003 SGD|Avg: $3,268 SGD|-10.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$2,906 SGD
Retailer 4$3,003 SGD
Retailer 6$3,040 SGD
Retailer 7$3,080 SGD
Retailer 2$3,237 SGD
Retailer 5$3,454 SGD
Blue Nile$3,597 SGD

37 data points across 7 retailers

6 retailers$2,906 SGD to $3,597 SGD

A
Cheapest Retailer
-
$2,906 SGD
A
Retailer 2
-
$3,003 SGD
View
A
Retailer 3
-
$3,080 SGD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$3,237 SGD
View
A
Retailer 5
-
$3,454 SGD
View
Most Expensive
B+
Blue Nile
28271439 · Nov 3
$3,597 SGD
$2,816 USD
View
5 more retailers have this diamond
Prices start from $2,906 SGDSave up to $691 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
1.02ct Round
$2,906 SGD