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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 7558404283

Certificate GIA 7558404283

Diamond specifications and retailer prices

From $1,873 USD
₹178,376 INR
As of October 31, 2026
Save $3,505 USD (65%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,378 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 very-good cut grade and certified by GIA 7558404283. Listed at 22 retailers as of October 30, 2026, with prices from $1,873 to $5,378, a $3,505 spread on the same certified stone. NZ Jewellers lists it at $5,378. 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
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558404283
Dimensions6.23 × 6.16 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.23 mm6.16 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558404283
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.7%

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: Oct 31
Current: $5,378 USD|Low: $1,873 USD|High: $5,539 USD|Avg: $2,829 USD|-2.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 2$1,873 USD
Retailer 11$1,894 USD
Retailer 10$2,129 USD
Retailer 8$2,250 USD
Retailer 20$2,340 USD
Retailer 3$2,374 USD
Retailer 19$2,379 USD
Retailer 7$2,406 USD
Retailer 9$2,545 USD
Retailer 4$2,572 USD
Retailer 14$2,572 USD
Retailer 12$2,663 USD
Retailer 5$2,691 USD
Retailer 16$2,706 USD
Retailer 15$2,757 USD
Retailer 18$2,939 USD
Retailer 17$3,017 USD
Retailer 13$3,130 USD
Retailer 6$3,145 USD
Retailer 21$4,531 USD
NZ Jewellers$5,378 USD

23 data points across 21 retailers

22 retailers$1,873 USD to $5,378 USD

A
Cheapest Retailer
-
$1,873 USD
₹178,376 INR
A
Retailer 2
-
$1,894 USD
HK$14,800 HKD
View
A
Retailer 3
-
$2,129 USD
View
Retailer 4
-
$2,250 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$2,340 USD
View
B+
Retailer 6
-
$2,374 USD
View
Final sale: no returns
B+
Retailer 7
-
$2,379 USD
View
B+
Retailer 8
-
$2,406 USD
View
B+
Retailer 9
-
$2,545 USD
View
B+
Retailer 10
-
$2,572 USD
View
B+
Retailer 11
-
$2,572 USD
View
B+
Retailer 12
-
$2,663 USD
SGD 3,599 SGD
View
B+
Retailer 13
-
$2,691 USD
View
B+
Retailer 14
-
$2,706 USD
£2,130 GBP
View
B+
Retailer 15
-
$2,757 USD
View
B+
Retailer 16
-
$2,939 USD
View
B+
Retailer 17
-
$3,017 USD
€2,873 EUR
View
Retailer 18
-
$3,026 USD
A$4,656 AUD
View
Price last confirmed 23 days ago
B
Retailer 19
-
$3,130 USD
ZAR 50,573 ZAR
View
B
Retailer 20
-
$3,145 USD
View
B
Retailer 21
-
$4,531 USD
£3,568 GBP
View
Most Expensive
B
NZ Jewellers
038b0f75-2982-4049-9341-c61daff950d1 · Oct 30
$5,378 USD
View
21 more retailers have this diamond
Prices start from $1,873 USDSave up to $3,505 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
$1,873 USD