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Radiant|Natural|GIA

1.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555953779

Certificate GIA 1555953779

Diamond specifications and retailer prices

From €4,348 EUR
As of November 6, 2026
Save €5,202 EUR (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €9,550 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555953779. Listed at 19 retailers as of November 5, 2026, with prices from €4,348 to €9,550, a €5,202 spread on the same certified stone. NZ Jewellers lists it at €9,550. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555953779
Dimensions7.67 × 5.51 × 3.84 mm
L/W Ratio1.39
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Needle
Top View
7.67 mm5.51 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555953779
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.7%

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: Nov 6
Current: €9,550 EUR|Low: €4,376 EUR|High: €9,550 EUR|Avg: €6,007 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 11€4,774 EUR
Retailer 7€5,078 EUR
Retailer 9€5,172 EUR
Retailer 10€5,172 EUR
Retailer 2€5,475 EUR
Retailer 4€5,501 EUR
Retailer 3€5,822 EUR
Retailer 8€5,969 EUR
Retailer 5€6,202 EUR
Retailer 6€8,389 EUR
NZ Jewellers€9,550 EUR

33 data points across 11 retailers

19 retailers€4,348 EUR to €9,550 EUR

A
Cheapest Retailer
-
€4,348 EUR
A
Retailer 2
-
€4,555 EUR
View
A
Retailer 3
-
€4,774 EUR
View
Final sale: no returns
A
Retailer 4
-
€4,862 EUR
View
B+
Retailer 5
-
€5,078 EUR
View
B+
Retailer 6
-
€5,172 EUR
View
B+
Retailer 7
-
€5,172 EUR
View
B+
Retailer 8
-
€5,454 EUR
View
B+
Retailer 9
-
€5,475 EUR
View
B+
Retailer 10
-
€5,501 EUR
View
B+
Retailer 11
-
€5,507 EUR
View
B+
Retailer 12
-
€5,822 EUR
View
B+
Retailer 13
-
€5,822 EUR
View
B+
Retailer 14
-
€5,969 EUR
View
B+
Retailer 15
-
€6,019 EUR
View
B+
Retailer 16
-
€6,202 EUR
View
B
Retailer 17
-
€8,355 EUR
View
B
Retailer 18
-
€8,389 EUR
View
Most Expensive
B
NZ Jewellers
9ac07ea6-12d9-46ef-8643-3550185b7877 · Nov 5
€9,550 EUR
$10,662 USD
View
18 more retailers have this diamond
Prices start from €4,348 EURSave up to €5,202 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
1.51ct Radiant
€4,348 EUR