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Round|Natural|GIA

1.51ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 3545894934

Certificate GIA 3545894934

Diamond specifications and retailer prices

From €4,129 EUR
As of November 5, 2026
Save €4,611 EUR (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €8,740 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 3545894934. Listed at 21 retailers as of November 5, 2026, with prices from €4,129 to €8,740, a €4,611 spread on the same certified stone. NZ Jewellers lists it at €8,740. 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
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 3545894934
Dimensions7.06 × 7.17 × 4.63 mm
L/W Ratio1.02
Top View
7.06 mm7.17 mm1.51 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 3545894934
Side View
Table 56.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NDepth 65.0%

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 5
Current: €5,345 EUR|Low: €4,005 EUR|High: €7,781 EUR|Avg: €5,144 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12€4,129 EUR
Retailer 10€4,178 EUR
Retailer 11€4,369 EUR
Retailer 3€4,442 EUR
Retailer 4€4,567 EUR
Retailer 8€5,014 EUR
Retailer 2€5,233 EUR
Retailer 1€5,345 EUR
Retailer 7€5,665 EUR
Retailer 6€5,681 EUR
Retailer 5€6,375 EUR
Retailer 9€7,678 EUR

36 data points across 12 retailers

21 retailers€4,129 EUR to €8,740 EUR

B+
Cheapest Retailer
-
€4,129 EUR
A
Retailer 2
-
€4,178 EUR
View
B+
Retailer 3
-
€4,369 EUR
View
Final sale: no returns
B+
Retailer 4
-
€4,442 EUR
View
B+
Retailer 5
-
€4,567 EUR
View
Retailer 6
-
€4,734 EUR
View
Price last confirmed 51 days ago
B+
Retailer 7
-
€4,734 EUR
View
Retailer 8
-
€4,734 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€4,734 EUR
View
B+
Retailer 10
-
€5,014 EUR
View
Retailer 11
-
€5,233 EUR
View
Price last confirmed 29 days ago
B+
Retailer 12
-
€5,345 EUR
View
Retailer 13
-
€5,463 EUR
View
Price last confirmed 46 days ago
B+
Retailer 14
-
€5,463 EUR
View
B+
Retailer 15
-
€5,665 EUR
View
B
Retailer 16
-
€5,681 EUR
View
Retailer 17
-
€5,764 EUR
View
Price last confirmed 15 days ago
B
Retailer 18
-
€6,375 EUR
View
B
Retailer 19
-
€7,678 EUR
View
Retailer 20
-
€8,740 EUR
View
Price last confirmed 49 days ago
Most Expensive
C
NZ Jewellers
2e0273fb-c338-4381-9582-6e861e1a2774 · Nov 5
€8,740 EUR
$9,758 USD
View
20 more retailers have this diamond
Prices start from €4,129 EURSave up to €4,611 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 Round
€4,129 EUR