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Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6205595976

Certificate GIA 6205595976

Diamond specifications and retailer prices

From €8,937 EUR
As of November 6, 2026
Save €6,873 EUR (43%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €15,810 EUR at MOH London · As of November 7, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6205595976. Listed at 24 retailers as of November 6, 2026, with prices from €8,937 to €15,810, a €6,873 spread on the same certified stone. MOH London lists it at €15,810. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6205595976
Dimensions7.17 × 6.84 × 4.49 mm
L/W Ratio1.05
Top View
7.17 mm6.84 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6205595976
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 65.6%

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: €15,810 EUR|Low: €8,937 EUR|High: €16,086 EUR|Avg: €11,683 EUR|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 5€8,937 EUR
Retailer 3€9,024 EUR
Retailer 4€10,177 EUR
Retailer 2€10,510 EUR
Retailer 9€10,556 EUR
Retailer 8€10,899 EUR
Retailer 13€11,069 EUR
Retailer 10€11,781 EUR
Retailer 11€12,231 EUR
Retailer 6€12,907 EUR
Retailer 7€13,775 EUR
Retailer 12€14,849 EUR
MOH London€15,810 EUR

46 data points across 13 retailers

24 retailers€8,937 EUR to €15,810 EUR

B+
Cheapest Retailer
-
€8,937 EUR
Retailer 2
-
€9,024 EUR
View
Price last confirmed 17 days ago
B
Retailer 3
-
€9,442 EUR
View
B
Retailer 4
-
€9,444 EUR
View
B
Retailer 5
-
€9,658 EUR
View
B
Retailer 6
-
€9,720 EUR
View
B
Retailer 7
-
€10,036 EUR
View
B
Retailer 8
-
€10,177 EUR
View
B
Retailer 9
-
€10,262 EUR
View
B
Retailer 10
-
€10,510 EUR
View
B
Retailer 11
-
€10,556 EUR
View
B
Retailer 12
-
€10,899 EUR
View
Retailer 13
-
€11,069 EUR
View
Price last confirmed 15 days ago
B
Retailer 14
-
€11,263 EUR
View
B
Retailer 15
-
€11,774 EUR
View
B
Retailer 16
-
€11,781 EUR
View
B
Retailer 17
-
€11,841 EUR
View
B
Retailer 18
-
€11,841 EUR
View
B
Retailer 19
-
€12,231 EUR
View
B
Retailer 20
-
€12,235 EUR
View
B
Retailer 21
-
€12,907 EUR
View
B
Retailer 22
-
€13,775 EUR
View
B
Retailer 23
-
€14,849 EUR
View
Most Expensive
B
MOH London
E50A38A21 · Nov 7
€15,810 EUR
£13,899 GBP
View
23 more retailers have this diamond
Prices start from €8,937 EURSave up to €6,873 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
€8,937 EUR