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Cushion|Natural|GIA

1.05ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6551000742

Certificate GIA 6551000742

Diamond specifications and retailer prices

From €1,369 EUR
HK$12,000 HKD
As of November 2, 2026
Save €1,655 EUR (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,024 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded F 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 6551000742. Listed at 20 retailers as of November 1, 2026, with prices from €1,369 to €3,024, a €1,655 spread on the same certified stone. MOH London lists it at €3,024. 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

1.05
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551000742
Dimensions5.96 × 5.92 × 3.88 mm
L/W Ratio1.01
Top View
5.96 mm5.92 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551000742
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.5%

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 2
Current: €3,024 EUR|Low: €1,347 EUR|High: €3,180 EUR|Avg: €1,972 EUR|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 14€1,369 EUR
Retailer 17€1,468 EUR
Retailer 3€1,509 EUR
Retailer 6€1,534 EUR
Retailer 12€1,604 EUR
Retailer 2€1,607 EUR
Retailer 9€1,625 EUR
Retailer 11€1,673 EUR
Retailer 13€1,676 EUR
Retailer 8€1,732 EUR
Retailer 16€1,759 EUR
Retailer 7€1,924 EUR
Retailer 18€1,925 EUR
Retailer 5€2,158 EUR
Retailer 4€2,398 EUR
Retailer 10€2,822 EUR
Retailer 15€2,871 EUR
MOH London€3,024 EUR

22 data points across 18 retailers

20 retailers€1,369 EUR to €3,024 EUR

A
Cheapest Retailer
-
€1,369 EUR
HK$12,000 HKD
A
Retailer 2
-
€1,468 EUR
$1,646 USD
View
Final sale: no returns
A
Retailer 3
-
€1,509 EUR
$1,692 USD
View
A
Retailer 4
-
€1,534 EUR
$1,720 USD
View
A
Retailer 5
-
€1,604 EUR
$1,799 USD
View
A
Retailer 6
-
€1,607 EUR
View
A
Retailer 7
-
€1,625 EUR
$1,822 USD
View
A
Retailer 8
-
€1,673 EUR
A$2,886 AUD
View
A
Retailer 9
-
€1,676 EUR
$1,880 USD
View
A
Retailer 10
-
€1,732 EUR
$1,943 USD
View
A
Retailer 11
-
€1,759 EUR
$1,973 USD
View
A
Retailer 12
-
€1,924 EUR
$2,158 USD
View
A
Retailer 13
-
€1,925 EUR
£1,700 GBP
View
B+
Retailer 14
-
€1,975 EUR
A$3,408 AUD
View
B+
Retailer 15
-
€2,158 EUR
ZAR 39,095 ZAR
View
Retailer 16
-
€2,217 EUR
A$3,825 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
€2,398 EUR
View
Retailer 18
-
€2,822 EUR
$3,165 USD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
€2,871 EUR
$3,220 USD
View
Most Expensive
B+
MOH London
66B4FE87B · Nov 1
€3,024 EUR
£2,671 GBP
View
19 more retailers have this diamond
Prices start from €1,369 EURSave up to €1,655 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
1.05ct Cushion
€1,369 EUR