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Round|Natural|GIA

1.51ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7553994445

Certificate GIA 7553994445

Diamond specifications and retailer prices

From €4,085 EUR
As of November 6, 2026
Save €1,719 EUR (30%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,804 EUR at Jared · As of November 6, 2026
View at Jared

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 top-tier cut grade and certified by GIA 7553994445. Listed at 9 retailers as of November 6, 2026, with prices from €4,085 to €5,804, a €1,719 spread on the same certified stone. Jared lists it at €5,804. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7553994445
Dimensions7.26 × 7.30 × 4.60 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Needle
Top View
7.26 mm7.30 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553994445
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 63.2%

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 6
Current: €5,804 EUR|Low: €4,085 EUR|High: €5,804 EUR|Avg: €5,017 EUR
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2€4,085 EUR
Retailer 5€4,698 EUR
Retailer 7€4,914 EUR
Retailer 3€5,061 EUR
Retailer 9€5,186 EUR
Retailer 8€5,260 EUR
Retailer 4€5,616 EUR
Retailer 6€5,616 EUR
Jared€5,804 EUR

44 data points across 9 retailers

9 retailers€4,085 EUR to €5,804 EUR

A
Cheapest Retailer
-
€4,085 EUR
A
Retailer 2
-
€4,698 EUR
View
B+
Retailer 3
-
€4,914 EUR
View
B+
Retailer 4
-
€5,061 EUR
View
B+
Retailer 5
-
€5,186 EUR
View
B+
Retailer 6
-
€5,260 EUR
View
B+
Retailer 7
-
€5,616 EUR
View
B+
Retailer 8
-
€5,616 EUR
View
Most Expensive
B+
Jared
160181293 · Nov 6
€5,804 EUR
$6,480 USD
View
8 more retailers have this diamond
Prices start from €4,085 EURSave up to €1,719 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
€4,085 EUR