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Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 7558716062

Certificate GIA 7558716062

Diamond specifications and retailer prices

From £1,739 GBP
HK$18,200 HKD
As of November 1, 2026
Save £2,749 GBP (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,488 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 H 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 7558716062. Listed at 19 retailers as of October 28, 2026, with prices from £1,739 to £4,488, a £2,749 spread on the same certified stone. Queensmith lists it at £4,488. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558716062
Dimensions7.16 × 5.42 × 3.72 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Needle, Natural
Top View
7.16 mm5.42 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558716062
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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: £4,488 GBP|Low: £1,729 GBP|High: £4,502 GBP|Avg: £2,538 GBP|+2.5%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 15£1,739 GBP
Retailer 12£1,830 GBP
Retailer 4£2,032 GBP
Retailer 3£2,076 GBP
Retailer 10£2,124 GBP
Retailer 2£2,245 GBP
Retailer 6£2,314 GBP
Retailer 11£2,405 GBP
Retailer 9£2,409 GBP
Retailer 7£2,424 GBP
Retailer 5£2,496 GBP
Retailer 8£2,694 GBP
Retailer 14£2,844 GBP
Retailer 13£3,869 GBP
Queensmith£4,488 GBP

23 data points across 15 retailers

19 retailers£1,739 GBP to £4,488 GBP

A
Cheapest Retailer
-
£1,739 GBP
HK$18,200 HKD
B+
Retailer 2
-
£1,830 GBP
₹233,510 INR
View
B+
Retailer 3
-
£2,032 GBP
SGD 3,679 SGD
View
B+
Retailer 4
-
£2,076 GBP
$2,781 USD
View
B+
Retailer 5
-
£2,124 GBP
$2,846 USD
View
Final sale: no returns
B+
Retailer 6
-
£2,150 GBP
$2,881 USD
View
B+
Retailer 7
-
£2,153 GBP
$2,885 USD
View
B+
Retailer 8
-
£2,245 GBP
View
B
Retailer 9
-
£2,303 GBP
A$4,748 AUD
View
Retailer 10
-
£2,314 GBP
$3,100 USD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
£2,405 GBP
View
B+
Retailer 12
-
£2,409 GBP
$3,227 USD
View
B+
Retailer 13
-
£2,424 GBP
SGD 4,389 SGD
View
Retailer 14
-
£2,494 GBP
A$5,141 AUD
View
Price last confirmed 29 days ago
B
Retailer 15
-
£2,496 GBP
$3,345 USD
View
B
Retailer 16
-
£2,694 GBP
€3,438 EUR
View
B
Retailer 17
-
£2,844 GBP
ZAR 61,560 ZAR
View
B
Retailer 18
-
£3,869 GBP
View
Most Expensive
B
Queensmith
7558716062 · Oct 28
£4,488 GBP
View
18 more retailers have this diamond
Prices start from £1,739 GBPSave up to £2,749 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
£1,739 GBP