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Radiant|Natural|GIA

1.51ct I SI1 Radiant Natural Diamond

VG • I/SI1 • GIA 2436825305

Certificate GIA 2436825305

Diamond specifications and retailer prices

From €6,227 EUR
$6,957 USD
As of November 1, 2026
Save €6,947 EUR (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €13,174 EUR at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2436825305. Listed at 12 retailers as of October 30, 2026, with prices from €6,227 to €13,174, a €6,947 spread on the same certified stone. NZ Jewellers lists it at €13,174. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2436825305
Dimensions8.52 × 5.46 × 3.64 mm
L/W Ratio1.56
Top View
8.52 mm5.46 mm1.51 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2436825305
Side View
Table 71.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 66.7%

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 1
Current: €13,174 EUR|Low: €6,037 EUR|High: €13,174 EUR|Avg: €8,336 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5€6,586 EUR
Retailer 8€6,587 EUR
Retailer 7€7,136 EUR
Retailer 6€7,246 EUR
Retailer 3€7,415 EUR
Retailer 10€7,922 EUR
Retailer 9€8,234 EUR
Retailer 2€8,237 EUR
Retailer 4€10,977 EUR
NZ Jewellers€13,174 EUR

41 data points across 10 retailers

12 retailers€6,227 EUR to €13,174 EUR

B+
Cheapest Retailer
-
€6,227 EUR
$6,957 USD
B
Retailer 2
-
€6,586 EUR
$7,358 USD
View
Final sale: no returns
B
Retailer 3
-
€7,136 EUR
$7,972 USD
View
B
Retailer 4
-
€7,246 EUR
$8,095 USD
View
B
Retailer 5
-
€7,415 EUR
£6,523 GBP
View
B
Retailer 6
-
€7,922 EUR
$8,850 USD
View
B
Retailer 7
-
€7,922 EUR
$8,850 USD
View
B
Retailer 8
-
€8,190 EUR
$9,150 USD
View
B
Retailer 9
-
€8,234 EUR
$9,199 USD
View
B
Retailer 10
-
€8,237 EUR
View
B
Retailer 11
-
€10,977 EUR
£9,656 GBP
View
Most Expensive
C
NZ Jewellers
ab9b8bea-9850-4c55-a97e-6b68f5f90322 · Oct 30
€13,174 EUR
$14,718 USD
View
11 more retailers have this diamond
Prices start from €6,227 EURSave up to €6,947 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
€6,227 EUR