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Cushion|Natural|GIA

1.20ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 7558439775

Certificate GIA 7558439775

Diamond specifications and retailer prices

From £1,433 GBP
HK$15,000 HKD
As of November 1, 2026
Save £2,719 GBP (65%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,152 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558439775. Listed at 14 retailers as of October 28, 2026, with prices from £1,433 to £4,152, a £2,719 spread on the same certified stone. Queensmith lists it at £4,152. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7558439775
Dimensions7.27 × 5.14 × 3.56 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
7.27 mm5.14 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7558439775
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.3%

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 1
Current: £4,152 GBP|Low: £1,423 GBP|High: £4,227 GBP|Avg: £2,218 GBP|+1.2%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8£1,433 GBP
Retailer 3£1,503 GBP
Retailer 2£1,511 GBP
Retailer 5£1,885 GBP
Retailer 4£1,982 GBP
Retailer 12£1,993 GBP
Retailer 10£2,011 GBP
Retailer 7£2,020 GBP
Retailer 11£2,073 GBP
Retailer 9£2,381 GBP
Retailer 6£3,339 GBP
Queensmith£4,152 GBP

24 data points across 12 retailers

14 retailers£1,433 GBP to £4,152 GBP

A
Cheapest Retailer
-
£1,433 GBP
HK$15,000 HKD
A
Retailer 2
-
£1,503 GBP
SGD 2,722 SGD
View
A
Retailer 3
-
£1,511 GBP
₹192,772 INR
View
B+
Retailer 4
-
£1,855 GBP
$2,486 USD
View
A
Retailer 5
-
£1,885 GBP
View
Retailer 6
-
£1,982 GBP
$2,656 USD
View
Price last confirmed 16 days ago
B+
Retailer 7
-
£1,993 GBP
SGD 3,609 SGD
View
B+
Retailer 8
-
£2,011 GBP
$2,695 USD
View
B+
Retailer 9
-
£2,020 GBP
View
B+
Retailer 10
-
£2,070 GBP
A$4,268 AUD
View
B+
Retailer 11
-
£2,073 GBP
$2,778 USD
View
B+
Retailer 12
-
£2,381 GBP
€3,038 EUR
View
B
Retailer 13
-
£3,339 GBP
View
Most Expensive
B
Queensmith
7558439775 · Oct 28
£4,152 GBP
View
13 more retailers have this diamond
Prices start from £1,433 GBPSave up to £2,719 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.

A
1.20ct Cushion
£1,433 GBP