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Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5553916188

Certificate GIA 5553916188

Diamond specifications and retailer prices

From $2,486 USD
As of November 5, 2026
Save $3,250 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,736 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553916188. Listed at 15 retailers as of November 5, 2026, with prices from $2,486 to $5,736, a $3,250 spread on the same certified stone. NZ Jewellers lists it at $5,736. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553916188
Dimensions7.20 × 4.77 × 3.28 mm
L/W Ratio1.51
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle
Top View
7.20 mm4.77 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553916188
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,736 USD|Low: $1,894 USD|High: $5,736 USD|Avg: $2,971 USD|+1.0%
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
November 6, 2026
Retailer 7$2,200 USD
Retailer 8$2,246 USD
Retailer 6$2,273 USD
Retailer 17$2,486 USD
Retailer 19$2,486 USD
Retailer 11$2,555 USD
Retailer 18$2,601 USD
Retailer 10$2,610 USD
Retailer 12$2,653 USD
Retailer 2$2,662 USD
Retailer 20$2,705 USD
Retailer 3$2,850 USD
Retailer 4$2,850 USD
Retailer 16$2,868 USD
Retailer 5$2,950 USD
Retailer 9$3,135 USD
Retailer 13$3,194 USD
Retailer 14$3,349 USD
Retailer 15$4,794 USD
NZ Jewellers$5,736 USD

33 data points across 20 retailers

15 retailers$2,486 USD to $5,736 USD

Retailer 1
-
$2,200 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
$2,486 USD
View
B+
Retailer 3
-
$2,601 USD
View
B+
Retailer 4
-
$2,610 USD
View
B+
Retailer 5
-
$2,662 USD
View
B
Retailer 6
-
$2,705 USD
View
B+
Retailer 7
-
$2,850 USD
View
B+
Retailer 8
-
$2,850 USD
View
B+
Retailer 9
-
$2,868 USD
View
B+
Retailer 10
-
$2,950 USD
View
B
Retailer 11
-
$3,135 USD
View
B+
Retailer 12
-
$3,194 USD
View
B
Retailer 13
-
$3,349 USD
View
B
Retailer 14
-
$4,794 USD
View
Most Expensive
B
NZ Jewellers
e9445e1d-72ce-47f2-a50c-5724d35f6777 · Nov 5
$5,736 USD
View
14 more retailers have this diamond
Prices start from $2,486 USDSave up to $3,250 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.

B+
1.00ct Radiant
$2,486 USD