Radiant|Natural|GIA

1.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6522977444

Certificate GIA 6522977444

Diamond specifications and retailer prices

From €5,654 EUR
As of November 6, 2026
Save €7,083 EUR (56%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €12,737 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two 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 6522977444. Listed at 30 retailers as of November 5, 2026, with prices from €5,654 to €12,737, a €7,083 spread on the same certified stone. NZ Jewellers lists it at €12,737. 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

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6522977444
Dimensions7.64 × 5.66 × 3.77 mm
L/W Ratio1.35
Top View
7.64 mm5.66 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522977444
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €7,120 EUR|Low: €6,017 EUR|High: €10,741 EUR|Avg: €7,890 EUR|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 5€6,017 EUR
Retailer 8€6,089 EUR
Retailer 1€7,120 EUR
Retailer 2€7,137 EUR
Retailer 7€7,306 EUR
Retailer 3€8,273 EUR
Retailer 4€9,291 EUR
Retailer 6€10,584 EUR

37 data points across 8 retailers

30 retailers€5,654 EUR to €12,737 EUR

B+
Cheapest Retailer
-
€5,654 EUR
B+
Retailer 2
-
€5,909 EUR
View
B+
Retailer 3
-
€5,928 EUR
View
B+
Retailer 4
-
€6,017 EUR
View
B+
Retailer 5
-
€6,089 EUR
View
Final sale: no returns
B+
Retailer 6
-
€6,112 EUR
View
B+
Retailer 7
-
€6,288 EUR
View
B+
Retailer 8
-
€6,368 EUR
View
Retailer 9
-
€6,368 EUR
View
Price last confirmed 9 days ago
B+
Retailer 10
-
€6,422 EUR
View
B
Retailer 11
-
€6,783 EUR
View
B+
Retailer 12
-
€6,899 EUR
View
B+
Retailer 13
-
€7,005 EUR
View
B+
Retailer 14
-
€7,043 EUR
View
B+
Retailer 15
-
€7,120 EUR
View
B+
Retailer 16
-
€7,127 EUR
View
B+
Retailer 17
-
€7,137 EUR
View
B
Retailer 18
-
€7,295 EUR
View
Retailer 19
-
€7,306 EUR
View
Price last confirmed 16 days ago
B
Retailer 20
-
€7,604 EUR
View
B
Retailer 21
-
€7,604 EUR
View
B
Retailer 22
-
€7,692 EUR
View
B
Retailer 23
-
€7,855 EUR
View
B
Retailer 24
-
€7,961 EUR
View
B
Retailer 25
-
€8,273 EUR
View
Retailer 26
-
€8,387 EUR
View
Price last confirmed 15 days ago
B
Retailer 27
-
€8,402 EUR
View
B
Retailer 28
-
€9,291 EUR
View
B
Retailer 29
-
€10,584 EUR
View
Most Expensive
B
NZ Jewellers
187c7af1-6df5-4fe3-81b8-deb2d3b7cfab · Nov 5
€12,737 EUR
$14,221 USD
View
29 more retailers have this diamond
Prices start from €5,654 EURSave up to €7,083 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.

B+
1.51ct Radiant
€5,654 EUR