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Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2233843136

Certificate GIA 2233843136

Diamond specifications and retailer prices

From €4,650 EUR
$5,216 USD
As of November 1, 2026
Save €5,193 EUR (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €9,843 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2233843136. Listed at 17 retailers as of October 30, 2026, with prices from €4,650 to €9,843, a €5,193 spread on the same certified stone. NZ Jewellers lists it at €9,843. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2233843136
Dimensions7.93 × 5.95 × 4.02 mm
L/W Ratio1.33
Culet sizeNone
Top View
7.93 mm5.95 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2233843136
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.6%

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 1
Current: €9,843 EUR|Low: €4,511 EUR|High: €10,167 EUR|Avg: €6,159 EUR|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 7€4,650 EUR
Retailer 13€4,922 EUR
Retailer 8€4,963 EUR
Retailer 4€5,332 EUR
Retailer 5€5,332 EUR
Retailer 16€5,332 EUR
Retailer 17€5,428 EUR
Retailer 10€5,645 EUR
Retailer 3€5,938 EUR
Retailer 15€5,938 EUR
Retailer 14€6,143 EUR
Retailer 6€6,152 EUR
Retailer 2€6,429 EUR
Retailer 9€6,489 EUR
Retailer 12€8,530 EUR
Retailer 11€8,671 EUR
NZ Jewellers€9,843 EUR

44 data points across 17 retailers

17 retailers€4,650 EUR to €9,843 EUR

A
Cheapest Retailer
-
€4,650 EUR
$5,216 USD
B+
Retailer 2
-
€4,922 EUR
$5,520 USD
View
Final sale: no returns
B+
Retailer 3
-
€4,963 EUR
$5,566 USD
View
B+
Retailer 4
-
€5,332 EUR
$5,980 USD
View
B+
Retailer 5
-
€5,332 EUR
$5,980 USD
View
B+
Retailer 6
-
€5,332 EUR
$5,980 USD
View
B+
Retailer 7
-
€5,428 EUR
$6,088 USD
View
B+
Retailer 8
-
€5,645 EUR
£4,985 GBP
View
B+
Retailer 9
-
€5,840 EUR
$6,550 USD
View
B+
Retailer 10
-
€5,938 EUR
$6,660 USD
View
B+
Retailer 11
-
€5,938 EUR
$6,660 USD
View
B+
Retailer 12
-
€6,143 EUR
$6,890 USD
View
B+
Retailer 13
-
€6,152 EUR
$6,900 USD
View
B+
Retailer 14
-
€6,429 EUR
View
B
Retailer 15
-
€8,530 EUR
$9,567 USD
View
B
Retailer 16
-
€8,671 EUR
£7,658 GBP
View
Most Expensive
B
NZ Jewellers
2c317112-8905-4cc0-8e10-deb747694a85 · Oct 30
€9,843 EUR
$11,040 USD
View
16 more retailers have this diamond
Prices start from €4,650 EURSave up to €5,193 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
€4,650 EUR