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Cushion|Natural|GIA

1.20ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6551490092

Certificate GIA 6551490092

Diamond specifications and retailer prices

From €2,201 EUR
As of November 6, 2026
Save €2,691 EUR (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,891 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded D 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 6551490092. Listed at 16 retailers as of November 2, 2026, with prices from €2,201 to €4,891, a €2,691 spread on the same certified stone. MOH London lists it at €4,891. 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

1.20
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6551490092
Dimensions7.11 × 5.31 × 3.59 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.11 mm5.31 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6551490092
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.7%

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: €4,891 EUR|Low: €2,189 EUR|High: €5,104 EUR|Avg: €3,154 EUR|-3.9%
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 6, 2026
Retailer 10€2,201 EUR
Retailer 2€2,303 EUR
Retailer 3€2,637 EUR
Retailer 9€2,651 EUR
Retailer 11€2,700 EUR
Retailer 7€3,009 EUR
Retailer 6€3,065 EUR
Retailer 12€3,135 EUR
Retailer 4€3,221 EUR
Retailer 5€3,405 EUR
Retailer 8€3,570 EUR
MOH London€4,891 EUR

31 data points across 12 retailers

16 retailers€2,201 EUR to €4,891 EUR

A
Cheapest Retailer
-
€2,201 EUR
A
Retailer 2
-
€2,303 EUR
View
B+
Retailer 3
-
€2,637 EUR
View
B+
Retailer 4
-
€2,651 EUR
View
B+
Retailer 5
-
€2,700 EUR
View
Final sale: no returns
B+
Retailer 6
-
€2,789 EUR
View
B+
Retailer 7
-
€2,790 EUR
View
B+
Retailer 8
-
€2,979 EUR
View
B+
Retailer 9
-
€3,009 EUR
View
Retailer 10
-
€3,016 EUR
View
Price last confirmed 22 days ago
B+
Retailer 11
-
€3,065 EUR
View
B+
Retailer 12
-
€3,135 EUR
View
Retailer 13
-
€3,221 EUR
View
Price last confirmed 31 days ago
B+
Retailer 14
-
€3,405 EUR
View
B+
Retailer 15
-
€3,570 EUR
View
Most Expensive
B
MOH London
DDFA2EE84 · Nov 2
€4,891 EUR
£4,300 GBP
View
15 more retailers have this diamond
Prices start from €2,201 EURSave up to €2,691 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
1.20ct Cushion
€2,201 EUR