Round|Natural|GIA

1.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6505172011

Shape and cutting style on the report: Round brilliant

Certificate GIA 6505172011

Diamond specifications and retailer prices

From $2,688 USD
As of November 6, 2026
Save $4,267 USD (61%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,955 USD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505172011. Listed at 22 retailers as of November 6, 2026, with prices from $2,688 to $6,955, a $4,267 spread on the same certified stone. Diamond Quarter lists it at $6,955. 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

1.01
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505172011
Dimensions6.43 × 6.39 × 4.01 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.43 mm6.39 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505172011
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: $2,688 USD|Low: $2,688 USD|High: $6,280 USD|Avg: $3,821 USD|-3.1%
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 1$2,688 USD
Retailer 10$2,726 USD
Retailer 2$3,293 USD
Retailer 11$3,317 USD
Retailer 3$3,425 USD
Retailer 4$3,550 USD
Retailer 6$3,794 USD
Retailer 5$3,799 USD
Retailer 9$3,959 USD
Retailer 7$4,529 USD
Retailer 8$6,188 USD

28 data points across 11 retailers

22 retailers$2,688 USD to $6,955 USD

A
Cheapest Retailer
-
$2,688 USD
B+
Retailer 2
-
$2,726 USD
View
B+
Retailer 3
-
$3,293 USD
View
B+
Retailer 4
-
$3,317 USD
View
B+
Retailer 5
-
$3,425 USD
View
Final sale: no returns
Retailer 6
-
$3,470 USD
View
Price last confirmed 109 days ago
B+
Retailer 7
-
$3,550 USD
View
B
Retailer 8
-
$3,555 USD
View
B
Retailer 9
-
$3,711 USD
View
Retailer 10
-
$3,711 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$3,794 USD
View
B
Retailer 12
-
$3,799 USD
View
B
Retailer 13
-
$3,853 USD
View
B
Retailer 14
-
$3,856 USD
View
B
Retailer 15
-
$3,959 USD
View
Retailer 16
-
$3,974 USD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$4,281 USD
View
B
Retailer 18
-
$4,524 USD
View
B
Retailer 19
-
$4,529 USD
View
B
Retailer 20
-
$6,188 USD
View
B
Retailer 21
-
$6,465 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1H6511B332N · Nov 6
$6,955 USD
£5,477 GBP
View
21 more retailers have this diamond
Prices start from $2,688 USDSave up to $4,267 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
1.01ct Round
$2,688 USD