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Cushion|Natural|GIA

3.51ct H SI1 Cushion Natural Diamond

VG • H/SI1 • GIA 3555137190

Certificate GIA 3555137190

Diamond specifications and retailer prices

From €29,406 EUR
As of November 6, 2026
Save €25,108 EUR (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €54,514 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 3.51ct natural cushion diamond

This 3.51ct natural cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 3555137190. Listed at 11 retailers as of November 4, 2026, with prices from €29,406 to €54,514, a €25,108 spread on the same certified stone. MOH London lists it at €54,514. 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

3.51
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle55.6°
OriginNatural
Grading LabGIA
CertificateGIA 3555137190
Dimensions10.14 × 8.17 × 5.56 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.14 mm8.17 mm3.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555137190
Side View
Table 69.0%Crown 32.4°Girdle: THK-VTKPavilion 55.6°Culet: NoneDepth 68.0%

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: €54,514 EUR|Low: €29,028 EUR|High: €54,733 EUR|Avg: €36,994 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 4€29,028 EUR
Retailer 3€29,406 EUR
Retailer 10€32,181 EUR
Retailer 11€34,785 EUR
Retailer 12€37,963 EUR
Retailer 7€38,137 EUR
Retailer 9€38,137 EUR
Retailer 8€39,409 EUR
Retailer 2€40,188 EUR
Retailer 6€42,281 EUR
Retailer 5€42,289 EUR
MOH London€54,514 EUR

28 data points across 12 retailers

11 retailers€29,406 EUR to €54,514 EUR

B+
Cheapest Retailer
-
€29,406 EUR
B+
Retailer 2
-
€32,181 EUR
View
B+
Retailer 3
-
€34,785 EUR
View
B
Retailer 4
-
€37,963 EUR
View
B
Retailer 5
-
€38,137 EUR
View
B
Retailer 6
-
€38,137 EUR
View
B
Retailer 7
-
€39,409 EUR
View
B
Retailer 8
-
€40,188 EUR
View
B
Retailer 9
-
€42,281 EUR
View
B
Retailer 10
-
€42,289 EUR
View
Most Expensive
B
MOH London
74892BBF9 · Nov 4
€54,514 EUR
£47,925 GBP
View
10 more retailers have this diamond
Prices start from €29,406 EURSave up to €25,108 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+
3.51ct Cushion
€29,406 EUR