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Radiant|Natural|GIA

1.00ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 5526641037

Certificate GIA 5526641037

Diamond specifications and retailer prices

From €1,111 EUR
HK$9,700 HKD
As of October 31, 2026
Save €2,328 EUR (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,439 EUR at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5526641037. Listed at 19 retailers as of October 30, 2026, with prices from €1,111 to €3,439, a €2,328 spread on the same certified stone. NZ Jewellers lists it at €3,439. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle55.35°
OriginNatural
Grading LabGIA
CertificateGIA 5526641037
Dimensions6.60 × 5.12 × 3.58 mm
L/W Ratio1.29
Top View
6.60 mm5.12 mm1.00 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5526641037
Side View
Table 65.0%Crown 42.2°Girdle: MED-THKPavilion 55.35°Culet: NoneDepth 69.8%

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: €2,470 EUR|Low: €1,100 EUR|High: €2,500 EUR|Avg: €1,568 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6€1,111 EUR
Retailer 5€1,119 EUR
Retailer 10€1,301 EUR
Retailer 9€1,376 EUR
Retailer 2€1,475 EUR
Retailer 4€1,516 EUR
Retailer 8€1,555 EUR
Retailer 3€1,579 EUR
Retailer 7€1,926 EUR
Retailer 1€2,470 EUR

35 data points across 10 retailers

19 retailers€1,111 EUR to €3,439 EUR

A
Cheapest Retailer
-
€1,111 EUR
HK$9,700 HKD
A
Retailer 2
-
€1,119 EUR
₹119,108 INR
View
A
Retailer 3
-
€1,301 EUR
$1,453 USD
View
Final sale: no returns
A
Retailer 4
-
€1,307 EUR
$1,460 USD
View
A
Retailer 5
-
€1,376 EUR
$1,537 USD
View
A
Retailer 6
-
€1,410 EUR
$1,575 USD
View
A
Retailer 7
-
€1,410 EUR
$1,575 USD
View
A
Retailer 8
-
€1,459 EUR
$1,630 USD
View
A
Retailer 9
-
€1,475 EUR
$1,648 USD
View
A
Retailer 10
-
€1,516 EUR
$1,694 USD
View
A
Retailer 11
-
€1,532 EUR
$1,711 USD
View
A
Retailer 12
-
€1,541 EUR
SGD 2,327 SGD
View
A
Retailer 13
-
€1,555 EUR
£1,368 GBP
View
A
Retailer 14
-
€1,562 EUR
$1,745 USD
View
A
Retailer 15
-
€1,579 EUR
£1,389 GBP
View
A
Retailer 16
-
€1,626 EUR
$1,817 USD
View
B+
Retailer 17
-
€1,926 EUR
View
B
Retailer 18
-
€2,470 EUR
£2,173 GBP
View
Most Expensive
B
NZ Jewellers
051756fa-3e9c-4e60-8593-c5e15a394e6d · Oct 30
€3,439 EUR
$3,842 USD
View
18 more retailers have this diamond
Prices start from €1,111 EURSave up to €2,328 EUR

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 Radiant
€1,111 EUR