Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 7556341509

Certificate GIA 7556341509

Diamond specifications and retailer prices

From $2,099 USD
As of November 4, 2026
Save $3,522 USD (63%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,621 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7556341509. Listed at 27 retailers as of November 4, 2026, with prices from $2,099 to $5,621, a $3,522 spread on the same certified stone. NZ Jewellers lists it at $5,621. 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
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7556341509
Dimensions6.49 × 6.42 × 3.83 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Needle, Natural
Top View
6.49 mm6.42 mm1.00 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556341509
Side View
Table 64.0%Crown 31.5°Girdle: THN-THKPavilion 41.2°Culet: NoneDepth 59.3%

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: $5,621 USD|Low: $2,086 USD|High: $5,621 USD|Avg: $2,980 USD
NZ Jewellers
Retailer 2
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Retailer 26
November 6, 2026
Retailer 3$2,099 USD
Retailer 23$2,107 USD
Retailer 11$2,375 USD
Retailer 17$2,379 USD
Retailer 24$2,402 USD
Retailer 15$2,408 USD
Retailer 12$2,482 USD
Retailer 20$2,571 USD
Retailer 4$2,650 USD
Retailer 8$2,671 USD
Retailer 6$2,689 USD
Retailer 9$2,689 USD
Retailer 10$2,696 USD
Retailer 7$2,792 USD
Retailer 13$2,829 USD
Retailer 5$2,830 USD
Retailer 2$2,923 USD
Retailer 19$3,078 USD
Retailer 14$3,103 USD
Retailer 21$3,149 USD
Retailer 25$3,274 USD
Retailer 22$3,282 USD
Retailer 16$3,955 USD
Retailer 18$4,065 USD
Retailer 26$4,697 USD
NZ Jewellers$5,621 USD

20 data points across 26 retailers

27 retailers$2,099 USD to $5,621 USD

A
Cheapest Retailer
-
$2,099 USD
A
Retailer 2
-
$2,107 USD
View
A
Retailer 3
-
$2,375 USD
View
A
Retailer 4
-
$2,379 USD
View
A
Retailer 5
-
$2,402 USD
View
A
Retailer 6
-
$2,408 USD
View
A
Retailer 7
-
$2,482 USD
View
Final sale: no returns
A
Retailer 8
-
$2,571 USD
View
B+
Retailer 9
-
$2,650 USD
View
A
Retailer 10
-
$2,671 USD
View
Retailer 11
-
$2,689 USD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$2,689 USD
View
A
Retailer 13
-
$2,696 USD
View
B+
Retailer 14
-
$2,792 USD
View
A
Retailer 15
-
$2,829 USD
View
B+
Retailer 16
-
$2,830 USD
View
B+
Retailer 17
-
$2,923 USD
View
B+
Retailer 18
-
$3,078 USD
View
B+
Retailer 19
-
$3,103 USD
View
B+
Retailer 20
-
$3,149 USD
View
Retailer 21
-
$3,161 USD
View
Price last confirmed 30 days ago
B+
Retailer 22
-
$3,274 USD
View
B+
Retailer 23
-
$3,282 USD
View
B
Retailer 24
-
$3,955 USD
View
B
Retailer 25
-
$4,065 USD
View
B
Retailer 26
-
$4,697 USD
View
Most Expensive
B
NZ Jewellers
5902ba5c-c8b1-40b6-acc0-31f7ddff97ce · Nov 5
$5,621 USD
View
26 more retailers have this diamond
Prices start from $2,099 USDSave up to $3,522 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
$2,099 USD