Cushion|Natural|GIA

1.11ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5212373388

Certificate GIA 5212373388

Diamond specifications and retailer prices

From $3,166 AUD
$2,224 USD
As of November 1, 2026
Save $2,974 AUD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,140 AUD 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 $3,166 to $6,140, a $2,974 spread on the same certified stone. MOH London lists it at $6,140. 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: $6,140 AUD|Low: $2,964 AUD|High: $6,214 AUD|Avg: $3,925 AUD|-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$3,166 AUD
Retailer 8$3,168 AUD
Retailer 9$3,234 AUD
Retailer 11$3,328 AUD
Retailer 2$3,418 AUD
Retailer 7$3,503 AUD
Retailer 5$3,744 AUD
Retailer 6$4,307 AUD
Retailer 10$4,314 AUD
Retailer 4$4,375 AUD
MOH London$6,140 AUD

36 data points across 11 retailers

13 retailers$3,166 AUD to $6,140 AUD

B+
Cheapest Retailer
-
$3,166 AUD
$2,224 USD
B+
Retailer 2
-
$3,168 AUD
$2,225 USD
View
B+
Retailer 3
-
$3,234 AUD
$2,272 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,328 AUD
$2,338 USD
View
B+
Retailer 5
-
$3,341 AUD
$2,347 USD
View
B+
Retailer 6
-
$3,385 AUD
$2,378 USD
View
B+
Retailer 7
-
$3,418 AUD
£1,890 GBP
View
Retailer 8
-
$3,503 AUD
$2,461 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$3,744 AUD
£2,071 GBP
View
B
Retailer 10
-
$4,307 AUD
ZAR 48,878 ZAR
View
Retailer 11
-
$4,314 AUD
View
Price last confirmed 25 days ago
B
Retailer 12
-
$4,375 AUD
€2,927 EUR
View
Most Expensive
B
MOH London
CE50E4D5D · Nov 1
$6,140 AUD
£3,396 GBP
View
12 more retailers have this diamond
Prices start from $3,166 AUDSave up to $2,974 AUD

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
$3,166 AUD