Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5536908270

Certificate GIA 5536908270

Diamond specifications and retailer prices

From $2,062 USD
As of October 27, 2026
21 retailers carry this diamond
Most expensive: $5,154 USD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5536908270. Listed at 21 retailers as of October 27, 2026. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5536908270
Dimensions6.38 × 6.34 × 3.97 mm
L/W Ratio1.01
Top View
6.38 mm6.34 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5536908270
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $2,950 USD|Low: $1,855 USD|High: $4,691 USD|Avg: $2,730 USD|+8.2%
Retailer 1
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
Retailer 15
Retailer 16
October 22, 2026
Retailer 14$1,856 USD
Retailer 5$2,017 USD
Retailer 3$2,062 USD
Retailer 11$2,067 USD
Retailer 2$2,245 USD
Retailer 4$2,260 USD
Retailer 9$2,376 USD
Retailer 6$2,580 USD
Retailer 10$2,660 USD
Retailer 7$2,690 USD
Retailer 12$2,868 USD
Retailer 8$2,890 USD
Retailer 1$2,950 USD
Retailer 16$2,992 USD
Retailer 15$3,014 USD
Retailer 13$4,342 USD

35 data points across 16 retailers

21 retailers

A
Retailer 1
-
$1,856 USD
HK$14,500 HKD
Price last confirmed 9 days ago
A
Retailer 2
-
$2,017 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$2,062 USD
View
Final sale: no returns
A
Retailer 4
-
$2,067 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$2,233 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$2,233 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$2,245 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$2,260 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$2,336 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$2,376 USD
£1,871 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,577 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$2,580 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$2,660 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$2,690 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$2,868 USD
€2,731 EUR
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$2,890 USD
A$4,446 AUD
View
Price last confirmed 21 days ago
B+
Retailer 17
-
$2,950 USD
£2,322 GBP
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$2,992 USD
ZAR 48,343 ZAR
View
Price last confirmed 12 days ago
B+
Retailer 19
-
$3,014 USD
View
Price last confirmed 8 days ago
B
Retailer 20
-
$4,342 USD
£3,419 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
ea7a09ce-b27e-4d19-b223-980f5b34ce77 · Oct 20
$5,154 USD
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from $2,062 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
$2,062 USD