CaratHunter
Plans
Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6237990521

Certificate GIA 6237990521

Diamond specifications and retailer prices

From €1,651 EUR
As of November 6, 2026
Save €2,329 EUR (59%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,980 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 H 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 6237990521. Listed at 10 retailers as of November 2, 2026, with prices from €1,651 to €3,980, a €2,329 spread on the same certified stone. MOH London lists it at €3,980. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.15°
OriginNatural
Grading LabGIA
CertificateGIA 6237990521
Dimensions7.29 × 5.50 × 3.83 mm
L/W Ratio1.33
Key to symbols
Crystal, Cloud, Needle
Top View
7.29 mm5.50 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237990521
Side View
Table 64.0%CrownGirdle: MED-THKPavilion 37.15°Culet: NoneDepth 69.6%

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: €3,980 EUR|Low: €1,651 EUR|High: €4,226 EUR|Avg: €2,655 EUR|-5.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6€1,651 EUR
Retailer 5€1,976 EUR
Retailer 8€2,097 EUR
Retailer 2€2,175 EUR
Retailer 4€2,294 EUR
Retailer 7€2,451 EUR
Retailer 3€2,796 EUR
Retailer 9€3,451 EUR
MOH London€3,980 EUR

32 data points across 9 retailers

10 retailers€1,651 EUR to €3,980 EUR

A
Cheapest Retailer
-
€1,651 EUR
Retailer 2
-
€1,976 EUR
View
Price last confirmed 3 days ago
B+
Retailer 3
-
€2,097 EUR
View
B+
Retailer 4
-
€2,175 EUR
View
B+
Retailer 5
-
€2,294 EUR
View
B+
Retailer 6
-
€2,451 EUR
View
B+
Retailer 7
-
€2,508 EUR
View
B+
Retailer 8
-
€2,796 EUR
View
B
Retailer 9
-
€3,451 EUR
View
Most Expensive
B
MOH London
7E12B0BD9 · Nov 2
€3,980 EUR
£3,499 GBP
View
9 more retailers have this diamond
Prices start from €1,651 EURSave up to €2,329 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
€1,651 EUR