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Cushion|Natural|GIA

1.21ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 7553811117

Certificate GIA 7553811117

Diamond specifications and retailer prices

From €1,906 EUR
HK$16,700 HKD
As of November 1, 2026
Save €2,528 EUR (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,434 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7553811117. Listed at 17 retailers as of November 1, 2026, with prices from €1,906 to €4,434, a €2,528 spread on the same certified stone. MOH London lists it at €4,434. 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

1.21
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7553811117
Dimensions7.05 × 5.38 × 3.74 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Knot, Feather, Needle
Top View
7.05 mm5.38 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7553811117
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.4%

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 1
Current: €4,434 EUR|Low: €1,883 EUR|High: €4,458 EUR|Avg: €2,627 EUR|-0.5%
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 1, 2026
Retailer 9€1,906 EUR
Retailer 2€2,000 EUR
Retailer 12€2,231 EUR
Retailer 13€2,336 EUR
Retailer 6€2,469 EUR
Retailer 11€2,530 EUR
Retailer 4€2,650 EUR
Retailer 3€2,657 EUR
Retailer 7€2,683 EUR
Retailer 5€2,755 EUR
Retailer 10€2,963 EUR
Retailer 8€3,111 EUR
MOH London€4,434 EUR

25 data points across 13 retailers

17 retailers€1,906 EUR to €4,434 EUR

A
Cheapest Retailer
-
€1,906 EUR
HK$16,700 HKD
A
Retailer 2
-
€2,000 EUR
₹213,663 INR
View
B+
Retailer 3
-
€2,231 EUR
SGD 3,382 SGD
View
B+
Retailer 4
-
€2,336 EUR
$2,620 USD
View
Final sale: no returns
B+
Retailer 5
-
€2,381 EUR
$2,671 USD
View
B+
Retailer 6
-
€2,385 EUR
$2,675 USD
View
B+
Retailer 7
-
€2,469 EUR
£2,180 GBP
View
B+
Retailer 8
-
€2,530 EUR
$2,838 USD
View
B+
Retailer 9
-
€2,537 EUR
A$4,378 AUD
View
B
Retailer 10
-
€2,650 EUR
SGD 4,016 SGD
View
B
Retailer 11
-
€2,657 EUR
$2,980 USD
View
B+
Retailer 12
-
€2,683 EUR
£2,369 GBP
View
B
Retailer 13
-
€2,755 EUR
$3,090 USD
View
Retailer 14
-
€2,864 EUR
A$4,942 AUD
View
Price last confirmed 25 days ago
B+
Retailer 15
-
€2,963 EUR
View
B
Retailer 16
-
€3,111 EUR
ZAR 56,363 ZAR
View
Most Expensive
B
MOH London
A1072B078 · Nov 1
€4,434 EUR
£3,916 GBP
View
16 more retailers have this diamond
Prices start from €1,906 EURSave up to €2,528 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
1.21ct Cushion
€1,906 EUR