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Round|Natural|GIA

1.00ct F IF Round Natural Diamond

EX • F/IF • GIA 5231509355

Certificate GIA 5231509355

Diamond specifications and retailer prices

From $8,505 SGD
$6,650 USD
As of November 1, 2026
Save $8,005 SGD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,509 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5231509355. Listed at 19 retailers as of October 30, 2026, with prices from $8,505 to $16,509, a $8,005 spread on the same certified stone. NZ Jewellers lists it at $16,509. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231509355
Dimensions6.50 × 6.47 × 3.86 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.50 mm6.47 mm1.00 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231509355
Side View
Table 59.0%Crown 34°Girdle: ThickPavilion 40.6°Culet: NoneDepth 59.5%

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 1
Current: $9,243 SGD|Low: $7,560 SGD|High: $13,921 SGD|Avg: $9,755 SGD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$7,560 SGD
Retailer 9$8,505 SGD
Retailer 10$8,532 SGD
Retailer 5$8,842 SGD
Retailer 3$9,106 SGD
Retailer 11$9,110 SGD
Retailer 1$9,243 SGD
Retailer 8$9,517 SGD
Retailer 4$10,739 SGD
Retailer 7$12,128 SGD
Retailer 6$13,755 SGD

36 data points across 11 retailers

19 retailers$8,505 SGD to $16,509 SGD

Retailer 1
-
$7,560 SGD
€5,630 EUR
Price last confirmed 10 days ago
B+
Retailer 2
-
$8,505 SGD
$6,650 USD
View
B+
Retailer 3
-
$8,515 SGD
$6,658 USD
View
B+
Retailer 4
-
$8,532 SGD
$6,671 USD
View
B+
Retailer 5
-
$8,842 SGD
£5,444 GBP
View
B+
Retailer 6
-
$9,106 SGD
$7,120 USD
View
B+
Retailer 7
-
$9,110 SGD
$7,123 USD
View
Final sale: no returns
B+
Retailer 8
-
$9,111 SGD
$7,124 USD
View
B+
Retailer 9
-
$9,243 SGD
£5,691 GBP
View
Retailer 10
-
$9,517 SGD
A$11,448 AUD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$9,871 SGD
$7,718 USD
View
B+
Retailer 12
-
$10,023 SGD
$7,837 USD
View
B+
Retailer 13
-
$10,037 SGD
$7,848 USD
View
B+
Retailer 14
-
$10,681 SGD
£6,576 GBP
View
B+
Retailer 15
-
$10,739 SGD
€7,997 EUR
View
B+
Retailer 16
-
$11,389 SGD
$8,905 USD
View
B+
Retailer 17
-
$12,128 SGD
ZAR 153,195 ZAR
View
B
Retailer 18
-
$13,755 SGD
£8,469 GBP
View
Most Expensive
B
NZ Jewellers
038ca213-2bb3-4638-856d-d3805f30c755 · Oct 30
$16,509 SGD
$12,909 USD
View
18 more retailers have this diamond
Prices start from $8,505 SGDSave up to $8,005 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
$8,505 SGD