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Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7361299633

Certificate GIA 7361299633

Diamond specifications and retailer prices

From $2,463 SGD
As of November 6, 2026
Save $4,052 SGD (62%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,514 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7361299633. Listed at 24 retailers as of November 5, 2026, with prices from $2,463 to $6,514, a $4,052 spread on the same certified stone. NZ Jewellers lists it at $6,514. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7361299633
Dimensions6.37 × 6.34 × 3.94 mm
L/W Ratio1.00
Top View
6.37 mm6.34 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7361299633
Side View
Table 61.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,278 SGD|Low: $2,242 SGD|High: $5,524 SGD|Avg: $3,567 SGD|+0.5%
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 10$2,606 SGD
Retailer 9$2,618 SGD
Retailer 3$2,953 SGD
Retailer 8$3,057 SGD
Retailer 1$3,278 SGD
Retailer 4$3,608 SGD
Retailer 5$3,619 SGD
Retailer 6$3,803 SGD
Retailer 11$3,836 SGD
Retailer 2$4,482 SGD
Retailer 7$5,444 SGD

41 data points across 11 retailers

24 retailers$2,463 SGD to $6,514 SGD

B+
Cheapest Retailer
-
$2,463 SGD
B+
Retailer 2
-
$2,547 SGD
View
B+
Retailer 3
-
$2,549 SGD
View
B+
Retailer 4
-
$2,590 SGD
View
B+
Retailer 5
-
$2,606 SGD
View
Final sale: no returns
B+
Retailer 6
-
$2,618 SGD
View
B+
Retailer 7
-
$2,658 SGD
View
B+
Retailer 8
-
$2,723 SGD
View
Retailer 9
-
$2,823 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$2,823 SGD
View
B+
Retailer 11
-
$2,842 SGD
View
B+
Retailer 12
-
$2,953 SGD
View
B
Retailer 13
-
$3,057 SGD
View
B
Retailer 14
-
$3,080 SGD
View
B
Retailer 15
-
$3,257 SGD
View
B+
Retailer 16
-
$3,278 SGD
View
B
Retailer 17
-
$3,602 SGD
View
B
Retailer 18
-
$3,608 SGD
View
B
Retailer 19
-
$3,619 SGD
View
B
Retailer 20
-
$3,803 SGD
View
Retailer 21
-
$3,836 SGD
View
Price last confirmed 30 days ago
B
Retailer 22
-
$4,482 SGD
View
B
Retailer 23
-
$5,444 SGD
View
Most Expensive
B
NZ Jewellers
06bb5a5e-1e19-4d5d-9736-dc067e22ac14 · Nov 5
$6,514 SGD
$5,100 USD
View
23 more retailers have this diamond
Prices start from $2,463 SGDSave up to $4,052 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.

B+
1.00ct Round
$2,463 SGD