Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 2454952844

Certificate GIA 2454952844

Diamond specifications and retailer prices

From $1,582 USD
As of October 31, 2026
Save $2,985 USD (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,567 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2454952844. Listed at 18 retailers as of October 31, 2026, with prices from $1,582 to $4,567, a $2,985 spread on the same certified stone. NZ Jewellers lists it at $4,567. 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
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2454952844
Dimensions6.27 × 6.19 × 4.02 mm
L/W Ratio1.01
Top View
6.27 mm6.19 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2454952844
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.5%

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: Oct 31
Current: $2,214 USD|Low: $1,512 USD|High: $3,873 USD|Avg: $2,262 USD
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 8$1,582 USD
Retailer 9$1,587 USD
Retailer 7$1,978 USD
Retailer 11$2,016 USD
Retailer 10$2,025 USD
Retailer 1$2,214 USD
Retailer 2$2,285 USD
Retailer 4$2,359 USD
Retailer 3$2,380 USD
Retailer 6$2,680 USD
Retailer 5$3,816 USD

44 data points across 11 retailers

18 retailers$1,582 USD to $4,567 USD

A
Cheapest Retailer
-
$1,582 USD
A
Retailer 2
-
$1,587 USD
View
B+
Retailer 3
-
$1,932 USD
View
A
Retailer 4
-
$1,978 USD
View
B+
Retailer 5
-
$2,016 USD
View
Final sale: no returns
B+
Retailer 6
-
$2,025 USD
View
B+
Retailer 7
-
$2,124 USD
View
B+
Retailer 8
-
$2,184 USD
View
B+
Retailer 9
-
$2,214 USD
View
B+
Retailer 10
-
$2,285 USD
View
B+
Retailer 11
-
$2,323 USD
View
B+
Retailer 12
-
$2,359 USD
View
B+
Retailer 13
-
$2,380 USD
View
B+
Retailer 14
-
$2,520 USD
View
B+
Retailer 15
-
$2,680 USD
View
B
Retailer 16
-
$3,483 USD
View
B
Retailer 17
-
$3,816 USD
View
Most Expensive
C
NZ Jewellers
eddb234b-b907-40a4-b894-285018945c26 · Nov 5
$4,567 USD
View
17 more retailers have this diamond
Prices start from $1,582 USDSave up to $2,985 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
$1,582 USD