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Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1523168139

Certificate GIA 1523168139

Diamond specifications and retailer prices

From $2,636 USD
As of November 6, 2026
Save $3,298 USD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,934 USD 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523168139. Listed at 23 retailers as of November 5, 2026, with prices from $2,636 to $5,934, a $3,298 spread on the same certified stone. NZ Jewellers lists it at $5,934. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1523168139
Dimensions6.33 × 6.29 × 3.97 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Indented Natural, Natural
Top View
6.33 mm6.29 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523168139
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°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: $5,934 USD|Low: $2,611 USD|High: $5,986 USD|Avg: $3,809 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 22$2,636 USD
Retailer 17$2,637 USD
Retailer 12$3,023 USD
Retailer 10$3,143 USD
Retailer 18$3,237 USD
Retailer 2$3,259 USD
Retailer 3$3,285 USD
Retailer 8$3,378 USD
Retailer 5$3,406 USD
Retailer 7$3,406 USD
Retailer 9$3,430 USD
Retailer 20$3,502 USD
Retailer 6$3,537 USD
Retailer 4$3,550 USD
Retailer 13$3,664 USD
Retailer 19$3,852 USD
Retailer 11$3,930 USD
Retailer 16$4,157 USD
Retailer 14$4,957 USD
Retailer 15$5,096 USD
Retailer 21$5,680 USD
NZ Jewellers$5,934 USD

23 data points across 22 retailers

23 retailers$2,636 USD to $5,934 USD

A
Cheapest Retailer
-
$2,636 USD
A
Retailer 2
-
$2,637 USD
View
B+
Retailer 3
-
$3,023 USD
View
B+
Retailer 4
-
$3,143 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,237 USD
View
B+
Retailer 6
-
$3,259 USD
View
B+
Retailer 7
-
$3,285 USD
View
B+
Retailer 8
-
$3,378 USD
View
Retailer 9
-
$3,406 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,406 USD
View
B+
Retailer 11
-
$3,430 USD
View
B+
Retailer 12
-
$3,502 USD
View
B+
Retailer 13
-
$3,537 USD
View
B+
Retailer 14
-
$3,550 USD
View
B+
Retailer 15
-
$3,664 USD
View
Retailer 16
-
$3,814 USD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$3,852 USD
View
B+
Retailer 18
-
$3,930 USD
View
B+
Retailer 19
-
$4,157 USD
View
B
Retailer 20
-
$4,957 USD
View
B
Retailer 21
-
$5,096 USD
View
B
Retailer 22
-
$5,680 USD
View
Most Expensive
B
NZ Jewellers
f2a8293a-083b-4b96-913e-6d8a0722e6d1 · Nov 5
$5,934 USD
View
22 more retailers have this diamond
Prices start from $2,636 USDSave up to $3,298 USD

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
$2,636 USD