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Cushion|Natural|GIA

1.19ct K SI1 Cushion Natural Diamond

VG • K/SI1 • GIA 1283378374

Certificate GIA 1283378374

Diamond specifications and retailer prices

From $3,508 AUD
As of November 6, 2026
Save $3,897 AUD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,405 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.19ct natural cushion diamond

This 1.19ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1283378374. Listed at 15 retailers as of November 4, 2026, with prices from $3,508 to $7,405, a $3,897 spread on the same certified stone. MOH London lists it at $7,405. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.19
Carat
K
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1283378374
Dimensions6.42 × 6.12 × 4.08 mm
L/W Ratio1.05
Culet sizeNone
Top View
6.42 mm6.12 mm1.19 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1283378374
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.6%

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 6
Current: $7,405 AUD|Low: $3,508 AUD|High: $7,514 AUD|Avg: $4,583 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$3,508 AUD
Retailer 5$3,537 AUD
Retailer 6$3,778 AUD
Retailer 10$3,951 AUD
Retailer 7$4,021 AUD
Retailer 8$4,355 AUD
Retailer 3$4,672 AUD
Retailer 2$4,870 AUD
Retailer 4$5,418 AUD
MOH London$7,405 AUD

44 data points across 10 retailers

15 retailers$3,508 AUD to $7,405 AUD

B+
Cheapest Retailer
-
$3,508 AUD
Retailer 2
-
$3,537 AUD
View
Price last confirmed 10 days ago
B
Retailer 3
-
$3,602 AUD
View
B
Retailer 4
-
$3,615 AUD
View
B
Retailer 5
-
$3,778 AUD
View
B
Retailer 6
-
$3,796 AUD
View
B
Retailer 7
-
$3,951 AUD
View
Retailer 8
-
$4,021 AUD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$4,355 AUD
View
B
Retailer 10
-
$4,365 AUD
View
B
Retailer 11
-
$4,672 AUD
View
B
Retailer 12
-
$4,870 AUD
View
Retailer 13
-
$5,152 AUD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$5,418 AUD
View
Most Expensive
C
MOH London
1A02CA970 · Nov 4
$7,405 AUD
£4,006 GBP
View
14 more retailers have this diamond
Prices start from $3,508 AUDSave up to $3,897 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+
1.19ct Cushion
$3,508 AUD