Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2547700682

Certificate GIA 2547700682

Diamond specifications and retailer prices

From $2,048 USD
As of November 1, 2026
Save $2,670 USD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,630 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 2547700682. Listed at 22 retailers as of November 1, 2026, with a 130% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2547700682
Dimensions6.44 × 6.48 × 3.87 mm
L/W Ratio1.01
Top View
6.44 mm6.48 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547700682
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.9%

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 1
Current: $5,630 USD|Low: $2,048 USD|High: $5,630 USD|Avg: $3,169 USD
NZ Jewellers
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
November 5, 2026
Retailer 14$2,048 USD
Retailer 2$2,063 USD
Retailer 12$2,145 USD
Retailer 9$2,590 USD
Retailer 3$2,693 USD
Retailer 5$2,693 USD
Retailer 4$2,796 USD
Retailer 10$2,837 USD
Retailer 7$3,017 USD
Retailer 15$3,107 USD
Retailer 13$3,309 USD
Retailer 11$3,347 USD
Retailer 8$4,718 USD
Retailer 6$4,883 USD
NZ Jewellers$5,630 USD

26 data points across 15 retailers

22 retailers$2,048 USD to $4,718 USD

A
Cheapest Retailer
-
$2,048 USD
A
Retailer 2
-
$2,063 USD
View
A
Retailer 3
-
$2,145 USD
View
B+
Retailer 4
-
$2,494 USD
View
Retailer 5
-
$2,525 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,533 USD
View
B+
Retailer 7
-
$2,535 USD
View
B+
Retailer 8
-
$2,590 USD
View
Retailer 9
-
$2,693 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$2,693 USD
View
B+
Retailer 11
-
$2,750 USD
View
B+
Retailer 12
-
$2,796 USD
View
B+
Retailer 13
-
$2,833 USD
View
B+
Retailer 14
-
$2,837 USD
View
Retailer 15
-
$2,846 USD
View
Price last confirmed 16 days ago
Retailer 16
-
$3,017 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$3,107 USD
View
B+
Retailer 18
-
$3,309 USD
View
B+
Retailer 19
-
$3,347 USD
View
B
Retailer 20
-
$4,718 USD
View
Retailer 21
-
$4,883 USD
View
Price last confirmed 15 days ago
Most Expensive
NZ Jewellers
eb697229-e7d0-4b15-82af-d158f2156694 · Oct 30
$5,630 USD
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from $2,048 USDSave up to $2,670 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
$2,048 USD