CaratHunter
Plans
Cushion|Natural|GIA

1.21ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 5136915906

Certificate GIA 5136915906

Diamond specifications and retailer prices

From €3,966 EUR
As of November 4, 2026
Save €3,239 EUR (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €7,205 EUR at MOH London · As of November 7, 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 G 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 5136915906. Listed at 9 retailers as of November 4, 2026, with prices from €3,966 to €7,205, a €3,239 spread on the same certified stone. MOH London lists it at €7,205. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5136915906
Dimensions5.85 × 5.75 × 3.76 mm
L/W Ratio1.02
Top View
5.85 mm5.75 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 5136915906
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 65.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €7,205 EUR|Low: €3,945 EUR|High: €7,331 EUR|Avg: €4,933 EUR|+1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 9€3,966 EUR
Retailer 5€3,999 EUR
Retailer 7€4,091 EUR
Retailer 8€4,548 EUR
Retailer 6€4,585 EUR
Retailer 2€4,952 EUR
Retailer 3€5,118 EUR
Retailer 4€5,549 EUR
MOH London€7,205 EUR

43 data points across 9 retailers

9 retailers€3,966 EUR to €7,205 EUR

B
Cheapest Retailer
-
€3,966 EUR
B
Retailer 2
-
€3,999 EUR
View
B
Retailer 3
-
€4,091 EUR
View
Retailer 4
-
€4,548 EUR
View
Price last confirmed 9 days ago
Retailer 5
-
€4,585 EUR
View
Price last confirmed 29 days ago
B
Retailer 6
-
€4,952 EUR
View
B
Retailer 7
-
€5,118 EUR
View
B
Retailer 8
-
€5,549 EUR
View
Most Expensive
B
MOH London
FC016585B · Nov 7
€7,205 EUR
£6,334 GBP
View
8 more retailers have this diamond
Prices start from €3,966 EURSave up to €3,239 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
1.21ct Cushion
€3,966 EUR