Cushion|Natural|GIA

1.11ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5212373388

Certificate GIA 5212373388

Diamond specifications and retailer prices

From £1,660 GBP
$2,224 USD
As of November 1, 2026
Save £1,559 GBP (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,219 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.11ct natural cushion diamond

This 1.11ct natural cushion sits in the classic one-carat band, graded J 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 5212373388. Listed at 13 retailers as of November 1, 2026, with prices from £1,660 to £3,219, a £1,559 spread on the same certified stone. MOH London lists it at £3,219. 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

1.11
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5212373388
Dimensions6.06 × 5.66 × 3.87 mm
L/W Ratio1.07
Top View
6.06 mm5.66 mm1.11 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5212373388
Side View
Table 63.0%CrownGirdle: VTK-MEDPavilionCulet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,219 GBP|Low: £1,554 GBP|High: £3,258 GBP|Avg: £2,057 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3£1,660 GBP
Retailer 8£1,661 GBP
Retailer 9£1,696 GBP
Retailer 11£1,745 GBP
Retailer 2£1,792 GBP
Retailer 7£1,837 GBP
Retailer 5£1,963 GBP
Retailer 6£2,258 GBP
Retailer 10£2,262 GBP
Retailer 4£2,294 GBP
MOH London£3,219 GBP

36 data points across 11 retailers

13 retailers£1,660 GBP to £3,219 GBP

B+
Cheapest Retailer
-
£1,660 GBP
$2,224 USD
B+
Retailer 2
-
£1,661 GBP
$2,225 USD
View
B+
Retailer 3
-
£1,696 GBP
$2,272 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,745 GBP
$2,338 USD
View
B+
Retailer 5
-
£1,752 GBP
$2,347 USD
View
B+
Retailer 6
-
£1,775 GBP
$2,378 USD
View
B+
Retailer 7
-
£1,792 GBP
View
Retailer 8
-
£1,837 GBP
$2,461 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
£1,963 GBP
View
B
Retailer 10
-
£2,258 GBP
ZAR 48,878 ZAR
View
Retailer 11
-
£2,262 GBP
A$4,662 AUD
View
Price last confirmed 25 days ago
B
Retailer 12
-
£2,294 GBP
€2,927 EUR
View
Most Expensive
B
MOH London
CE50E4D5D · Nov 1
£3,219 GBP
View
12 more retailers have this diamond
Prices start from £1,660 GBPSave up to £1,559 GBP

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+
1.11ct Cushion
£1,660 GBP