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Round|Natural|GIA

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1519562206

Certificate GIA 1519562206

Diamond specifications and retailer prices

From €3,714 EUR
As of November 6, 2026
Save €4,486 EUR (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €8,200 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1519562206. Listed at 19 retailers as of November 5, 2026, with prices from €3,714 to €8,200, a €4,486 spread on the same certified stone. NZ Jewellers lists it at €8,200. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1519562206
Dimensions7.31 × 7.34 × 4.50 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Top View
7.31 mm7.34 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519562206
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.4%

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 6
Current: €6,472 EUR|Low: €3,714 EUR|High: €7,903 EUR|Avg: €5,584 EUR|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5€3,714 EUR
Retailer 2€4,706 EUR
Retailer 3€5,195 EUR
Retailer 1€6,472 EUR
Retailer 4€7,788 EUR

44 data points across 5 retailers

19 retailers€3,714 EUR to €8,200 EUR

B+
Cheapest Retailer
-
€3,714 EUR
B+
Retailer 2
-
€3,766 EUR
View
B+
Retailer 3
-
€3,874 EUR
View
B+
Retailer 4
-
€3,921 EUR
View
B+
Retailer 5
-
€4,134 EUR
View
B+
Retailer 6
-
€4,400 EUR
View
Retailer 7
-
€4,442 EUR
View
Price last confirmed 8 days ago
B
Retailer 8
-
€4,442 EUR
View
B
Retailer 9
-
€4,442 EUR
View
B
Retailer 10
-
€4,518 EUR
View
B
Retailer 11
-
€4,679 EUR
View
B
Retailer 12
-
€4,706 EUR
View
B
Retailer 13
-
€5,126 EUR
View
B
Retailer 14
-
€5,195 EUR
View
Retailer 15
-
€5,410 EUR
View
Price last confirmed 14 days ago
B
Retailer 16
-
€6,472 EUR
View
B
Retailer 17
-
€7,100 EUR
View
B
Retailer 18
-
€7,788 EUR
View
Most Expensive
C
NZ Jewellers
67ce5f8e-58e4-4c56-af8b-5abe8657d6f5 · Nov 5
€8,200 EUR
$9,204 USD
View
18 more retailers have this diamond
Prices start from €3,714 EURSave up to €4,486 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
€3,714 EUR