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Cushion|Natural|GIA

1.51ct L SI1 Cushion Natural Diamond

EX • L/SI1 • GIA 5413577117

Certificate GIA 5413577117

Diamond specifications and retailer prices

From €1,575 EUR
As of November 6, 2026
Save €1,347 EUR (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,923 EUR at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5413577117. Listed at 3 retailers as of November 6, 2026, with prices from €1,575 to €2,923, a €1,347 spread on the same certified stone. Yorxs lists it at €2,923. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5413577117
Dimensions6.64 × 6.11 × 4.11 mm
L/W Ratio1.09
Top View
6.64 mm6.11 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 5413577117
Side View
Table 66.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 67.3%

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: €2,275 EUR|Low: €1,791 EUR|High: €2,940 EUR|Avg: €2,375 EUR|+27.0%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1€2,275 EUR
Retailer 2€2,305 EUR
Yorxs€2,923 EUR

42 data points across 3 retailers

3 retailers€1,575 EUR to €2,923 EUR

B+
Cheapest Retailer
-
€1,575 EUR
B
Retailer 2
-
€2,275 EUR
View
Most Expensive
B
Yorxs
1DEC745DC · Nov 6
€2,923 EUR
View
2 more retailers have this diamond
Prices start from €1,575 EURSave up to €1,347 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 Cushion
€1,575 EUR