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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6551742033

Certificate GIA 6551742033

Diamond specifications and retailer prices

From $2,433 USD
As of November 4, 2026
Save $3,094 USD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,527 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551742033. Listed at 24 retailers as of November 4, 2026, with prices from $2,433 to $5,527, a $3,094 spread on the same certified stone. NZ Jewellers lists it at $5,527. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551742033
Dimensions6.38 × 6.41 × 3.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.38 mm6.41 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551742033
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

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 4
Current: $5,527 USD|Low: $2,288 USD|High: $5,527 USD|Avg: $3,466 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10$2,517 USD
Retailer 3$2,574 USD
Retailer 9$2,790 USD
Retailer 4$2,874 USD
Retailer 6$2,874 USD
Retailer 11$2,985 USD
Retailer 13$3,106 USD
Retailer 12$3,120 USD
Retailer 2$3,262 USD
Retailer 5$3,316 USD
Retailer 7$3,463 USD
Retailer 14$4,576 USD
Retailer 8$5,290 USD
NZ Jewellers$5,527 USD

38 data points across 14 retailers

24 retailers$2,433 USD to $5,527 USD

A
Cheapest Retailer
-
$2,433 USD
A
Retailer 2
-
$2,483 USD
View
A
Retailer 3
-
$2,500 USD
View
A
Retailer 4
-
$2,517 USD
View
Final sale: no returns
A
Retailer 5
-
$2,574 USD
View
B+
Retailer 6
-
$2,790 USD
View
Retailer 7
-
$2,874 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,874 USD
View
B+
Retailer 9
-
$2,935 USD
View
B+
Retailer 10
-
$2,985 USD
View
B+
Retailer 11
-
$3,106 USD
View
B+
Retailer 12
-
$3,120 USD
View
B+
Retailer 13
-
$3,120 USD
View
B+
Retailer 14
-
$3,262 USD
View
B+
Retailer 15
-
$3,270 USD
View
B+
Retailer 16
-
$3,270 USD
View
B+
Retailer 17
-
$3,316 USD
View
B+
Retailer 18
-
$3,380 USD
View
B+
Retailer 19
-
$3,463 USD
View
Retailer 20
-
$3,681 USD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
$3,723 USD
View
B
Retailer 22
-
$4,576 USD
View
B
Retailer 23
-
$5,290 USD
View
Most Expensive
B
NZ Jewellers
e25de996-62fb-4b0e-a36f-a7ab26d1ca9b · Nov 5
$5,527 USD
View
23 more retailers have this diamond
Prices start from $2,433 USDSave up to $3,094 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
$2,433 USD