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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

GD • G/SI2 • GIA 7421531215

Certificate GIA 7421531215

Diamond specifications and retailer prices

From $1,953 USD
As of November 6, 2026
Save $3,401 USD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,354 USD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 7421531215. Listed at 19 retailers as of November 5, 2026, with prices from $1,953 to $5,354, a $3,401 spread on the same certified stone. Diamond Quarter lists it at $5,354. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7421531215
Dimensions6.42 × 6.32 × 3.87 mm
L/W Ratio1.02
Top View
6.42 mm6.32 mm1.00 ctG / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421531215
Side View
Table 62.0%Crown 31°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 60.8%

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 6
Current: $2,189 USD|Low: $1,953 USD|High: $4,990 USD|Avg: $2,709 USD|-13.3%
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
Retailer 17
November 6, 2026
Retailer 17$1,953 USD
Retailer 2$2,010 USD
Retailer 4$2,104 USD
Retailer 14$2,162 USD
Retailer 16$2,162 USD
Retailer 1$2,189 USD
Retailer 13$2,217 USD
Retailer 15$2,262 USD
Retailer 6$2,495 USD
Retailer 9$2,496 USD
Retailer 11$2,510 USD
Retailer 5$2,550 USD
Retailer 8$2,550 USD
Retailer 3$2,630 USD
Retailer 10$2,964 USD
Retailer 12$4,180 USD
Retailer 7$4,990 USD

36 data points across 17 retailers

19 retailers$1,953 USD to $5,354 USD

A
Cheapest Retailer
-
$1,953 USD
A
Retailer 2
-
$2,010 USD
View
A
Retailer 3
-
$2,104 USD
View
Retailer 4
-
$2,162 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$2,162 USD
View
A
Retailer 6
-
$2,189 USD
View
A
Retailer 7
-
$2,217 USD
View
B+
Retailer 8
-
$2,262 USD
View
B+
Retailer 9
-
$2,495 USD
View
B+
Retailer 10
-
$2,496 USD
View
Final sale: no returns
B+
Retailer 11
-
$2,510 USD
View
B+
Retailer 12
-
$2,520 USD
View
B+
Retailer 13
-
$2,550 USD
View
B+
Retailer 14
-
$2,550 USD
View
B+
Retailer 15
-
$2,630 USD
View
B+
Retailer 16
-
$2,964 USD
View
B
Retailer 17
-
$4,180 USD
View
C
Retailer 18
-
$4,990 USD
View
Most Expensive
C
Diamond Quarter
1.0SI2G74156F91N · Nov 5
$5,354 USD
£4,216 GBP
View
18 more retailers have this diamond
Prices start from $1,953 USDSave up to $3,401 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
$1,953 USD