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Cushion|Natural|GIA

1.20ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 7558676328

Certificate GIA 7558676328

Diamond specifications and retailer prices

From $2,888 AUD
As of November 6, 2026
Save $3,789 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,676 AUD at MOH London · As of November 7, 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 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 7558676328. Listed at 16 retailers as of November 6, 2026, with prices from $2,888 to $6,676, a $3,789 spread on the same certified stone. MOH London lists it at $6,676. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7558676328
Dimensions7.10 × 5.30 × 3.60 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.10 mm5.30 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558676328
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.8%

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: $6,676 AUD|Low: $2,850 AUD|High: $7,055 AUD|Avg: $4,142 AUD|-5.4%
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
November 7, 2026
Retailer 12$2,888 AUD
Retailer 6$3,020 AUD
Retailer 11$3,518 AUD
Retailer 3$3,537 AUD
Retailer 5$3,585 AUD
Retailer 13$3,689 AUD
Retailer 7$3,717 AUD
Retailer 9$4,005 AUD
Retailer 2$4,055 AUD
Retailer 4$4,162 AUD
Retailer 10$4,676 AUD
Retailer 8$4,756 AUD
MOH London$6,676 AUD

25 data points across 13 retailers

16 retailers$2,888 AUD to $6,676 AUD

A
Cheapest Retailer
-
$2,888 AUD
A
Retailer 2
-
$3,020 AUD
View
A
Retailer 3
-
$3,518 AUD
View
A
Retailer 4
-
$3,537 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,585 AUD
View
B+
Retailer 6
-
$3,689 AUD
View
A
Retailer 7
-
$3,717 AUD
View
B+
Retailer 8
-
$3,736 AUD
View
B+
Retailer 9
-
$4,005 AUD
View
B+
Retailer 10
-
$4,018 AUD
View
B+
Retailer 11
-
$4,055 AUD
View
B+
Retailer 12
-
$4,162 AUD
View
Retailer 13
-
$4,493 AUD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$4,676 AUD
View
B+
Retailer 15
-
$4,756 AUD
View
Most Expensive
B
MOH London
65E524AF5 · Nov 7
$6,676 AUD
£3,612 GBP
View
15 more retailers have this diamond
Prices start from $2,888 AUDSave up to $3,789 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.

A
1.20ct Cushion
$2,888 AUD