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1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2436486853

Certificate GIA 2436486853

Diamond specifications and retailer prices

From €7,206 EUR
As of November 1, 2026
Save €6,277 EUR (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €13,482 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round 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 and certified by GIA 2436486853. Listed at 17 retailers as of November 1, 2026, with prices from €7,206 to €13,482, a €6,277 spread on the same certified stone. NZ Jewellers lists it at €13,482. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2436486853
Dimensions7.36 × 7.32 × 4.54 mm
L/W Ratio1.01
Top View
7.36 mm7.32 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2436486853
Side View
Table 55.0%Crown 34°Girdle: THN-THKPavilion 40.6°Culet: NoneDepth 61.8%

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: €13,482 EUR|Low: €7,206 EUR|High: €13,482 EUR|Avg: €9,864 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€7,206 EUR
Retailer 7€8,090 EUR
Retailer 2€8,700 EUR
Retailer 9€8,764 EUR
Retailer 6€8,898 EUR
Retailer 3€9,649 EUR
Retailer 8€10,112 EUR
Retailer 4€12,599 EUR
NZ Jewellers€13,482 EUR

42 data points across 9 retailers

17 retailers€7,206 EUR to €13,482 EUR

B+
Cheapest Retailer
-
€7,206 EUR
B+
Retailer 2
-
€7,349 EUR
View
B
Retailer 3
-
€7,575 EUR
View
B
Retailer 4
-
€7,838 EUR
View
Retailer 5
-
€8,090 EUR
View
Price last confirmed 8 days ago
B
Retailer 6
-
€8,700 EUR
View
B
Retailer 7
-
€8,764 EUR
View
B
Retailer 8
-
€8,898 EUR
View
B
Retailer 9
-
€9,319 EUR
View
B
Retailer 10
-
€9,530 EUR
View
B
Retailer 11
-
€9,530 EUR
View
B
Retailer 12
-
€9,649 EUR
View
B
Retailer 13
-
€9,852 EUR
View
B
Retailer 14
-
€10,112 EUR
View
Retailer 15
-
€10,647 EUR
View
Price last confirmed 14 days ago
B
Retailer 16
-
€12,599 EUR
View
Most Expensive
B
NZ Jewellers
0c32f121-0fbc-460c-a3f1-404ed955b21d · Nov 5
€13,482 EUR
$15,053 USD
View
16 more retailers have this diamond
Prices start from €7,206 EURSave up to €6,277 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 Round
€7,206 EUR