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Round|Natural|GIA

1.01ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2564717890

Certificate GIA 2564717890

Diamond specifications and retailer prices

From $1,233 USD
As of November 4, 2026
Save $2,967 USD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,200 USD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564717890. Listed at 13 retailers as of November 4, 2026, with prices from $1,233 to $4,200, a $2,967 spread on the same certified stone. Helzberg Diamonds lists it at $4,200. 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564717890
Dimensions6.38 × 6.41 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.38 mm6.41 mm1.01 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564717890
Side View
Table 55.0%Crown 34.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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 4
Current: $4,200 USD|Low: $1,233 USD|High: $4,316 USD|Avg: $3,033 USD|-2.7%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13$1,233 USD
Retailer 5$2,467 USD
Retailer 8$2,498 USD
Retailer 3$2,520 USD
Retailer 6$2,597 USD
Retailer 11$2,660 USD
Retailer 9$2,874 USD
Retailer 10$2,998 USD
Retailer 2$3,064 USD
Retailer 12$3,168 USD
Retailer 7$3,203 USD
Retailer 4$4,066 USD
Helzberg Diamonds$4,200 USD

13 data points across 13 retailers

13 retailers$1,233 USD to $4,200 USD

A
Cheapest Retailer
-
$1,233 USD
A
Retailer 2
-
$2,467 USD
View
A
Retailer 3
-
$2,498 USD
View
A
Retailer 4
-
$2,520 USD
View
A
Retailer 5
-
$2,597 USD
View
B+
Retailer 6
-
$2,660 USD
View
B+
Retailer 7
-
$2,874 USD
View
B+
Retailer 8
-
$2,998 USD
View
B+
Retailer 9
-
$3,064 USD
View
B+
Retailer 10
-
$3,168 USD
View
B+
Retailer 11
-
$3,203 USD
View
B
Retailer 12
-
$4,066 USD
View
Most Expensive
B
Helzberg Diamonds
XZRILMKNHNOPG · Nov 6
$4,200 USD
View
12 more retailers have this diamond
Prices start from $1,233 USDSave up to $2,967 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
$1,233 USD