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Round|Natural|GIA

1.51ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5546985835

Certificate GIA 5546985835

Diamond specifications and retailer prices

From €2,050 EUR
As of November 6, 2026
Save €5,645 EUR (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €7,695 EUR at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5546985835. Listed at 18 retailers as of November 6, 2026, with prices from €2,050 to €7,695, a €5,645 spread on the same certified stone. Wholesale Diamonds Direct lists it at €7,695. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5546985835
Dimensions7.27 × 7.32 × 4.58 mm
L/W Ratio1.01
Top View
7.27 mm7.32 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546985835
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €2,050 EUR|Low: €2,050 EUR|High: €4,729 EUR|Avg: €2,988 EUR|-2.7%
Retailer 1
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
November 6, 2026
Retailer 1€2,050 EUR
Retailer 13€2,431 EUR
Retailer 12€2,432 EUR
Retailer 3€2,601 EUR
Retailer 2€2,715 EUR
Retailer 4€2,715 EUR
Retailer 7€2,715 EUR
Retailer 5€2,819 EUR
Retailer 8€2,839 EUR
Retailer 6€2,841 EUR
Retailer 9€2,970 EUR
Retailer 15€3,132 EUR
Retailer 10€3,313 EUR
Retailer 11€4,527 EUR
Retailer 14€4,729 EUR

32 data points across 15 retailers

18 retailers€2,050 EUR to €7,695 EUR

A
Cheapest Retailer
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€2,050 EUR
A
Retailer 2
-
€2,431 EUR
View
A
Retailer 3
-
€2,432 EUR
View
A
Retailer 4
-
€2,601 EUR
View
Retailer 5
-
€2,692 EUR
View
Price last confirmed 60 days ago
A
Retailer 6
-
€2,715 EUR
View
Retailer 7
-
€2,715 EUR
View
Price last confirmed 12 days ago
A
Retailer 8
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€2,715 EUR
View
A
Retailer 9
-
€2,819 EUR
View
A
Retailer 10
-
€2,839 EUR
View
A
Retailer 11
-
€2,841 EUR
View
A
Retailer 12
-
€2,970 EUR
View
Retailer 13
-
€3,105 EUR
View
Price last confirmed 60 days ago
A
Retailer 14
-
€3,132 EUR
View
A
Retailer 15
-
€3,313 EUR
View
B+
Retailer 16
-
€4,527 EUR
View
B
Retailer 17
-
€4,729 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
44512617 · Nov 6
€7,695 EUR
$8,637 USD
View
17 more retailers have this diamond
Prices start from €2,050 EURSave up to €5,645 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
€2,050 EUR