Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 2547864040

Certificate GIA 2547864040

Diamond specifications and retailer prices

From €1,135 EUR
As of November 6, 2026
Save €744 EUR (40%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,879 EUR at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

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 2547864040. Listed at 8 retailers as of November 6, 2026, with prices from €1,135 to €1,879, a €744 spread on the same certified stone. 77 Diamonds lists it at €1,879. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547864040
Dimensions6.48 × 5.11 × 3.58 mm
L/W Ratio1.27
Top View
6.48 mm5.11 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547864040
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.0%

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 6
Current: €1,879 EUR|Low: €1,135 EUR|High: €2,063 EUR|Avg: €1,413 EUR|-7.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 2€1,135 EUR
Retailer 8€1,153 EUR
Retailer 5€1,254 EUR
Retailer 6€1,333 EUR
Retailer 3€1,366 EUR
Retailer 7€1,381 EUR
Retailer 4€1,482 EUR
77 Diamonds€1,879 EUR

45 data points across 8 retailers

8 retailers€1,135 EUR to €1,879 EUR

A
Cheapest Retailer
-
€1,135 EUR
Retailer 2
-
€1,254 EUR
View
Price last confirmed 12 days ago
A
Retailer 3
-
€1,333 EUR
View
A
Retailer 4
-
€1,366 EUR
View
A
Retailer 5
-
€1,381 EUR
View
A
Retailer 6
-
€1,482 EUR
View
B+
Retailer 7
-
€1,687 EUR
View
Most Expensive
B+
77 Diamonds
RADMB8MYKTCTV · Nov 7
€1,879 EUR
£1,652 GBP
View
7 more retailers have this diamond
Prices start from €1,135 EURSave up to €744 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
€1,135 EUR