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Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6545872782

Certificate GIA 6545872782

Diamond specifications and retailer prices

From £2,035 GBP
HK$21,300 HKD
As of November 2, 2026
Save £2,757 GBP (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,791 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 6545872782. Listed at 19 retailers as of October 28, 2026, with prices from £2,035 to £4,791, a £2,757 spread on the same certified stone. Queensmith lists it at £4,791. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545872782
Dimensions7.17 × 5.50 × 3.74 mm
L/W Ratio1.30
Top View
7.17 mm5.50 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6545872782
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.9%

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 2
Current: £4,791 GBP|Low: £2,035 GBP|High: £4,810 GBP|Avg: £2,910 GBP|+2.2%
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 8£2,035 GBP
Retailer 2£2,122 GBP
Retailer 4£2,396 GBP
Retailer 3£2,432 GBP
Retailer 12£2,459 GBP
Retailer 9£2,599 GBP
Retailer 6£2,688 GBP
Retailer 11£2,773 GBP
Retailer 13£2,785 GBP
Retailer 7£2,849 GBP
Retailer 5£2,880 GBP
Retailer 10£3,118 GBP
Retailer 15£3,304 GBP
Retailer 14£4,496 GBP
Queensmith£4,791 GBP

23 data points across 15 retailers

19 retailers£2,035 GBP to £4,791 GBP

B+
Cheapest Retailer
-
£2,035 GBP
HK$21,300 HKD
B+
Retailer 2
-
£2,122 GBP
₹270,743 INR
View
B+
Retailer 3
-
£2,396 GBP
SGD 4,339 SGD
View
B+
Retailer 4
-
£2,432 GBP
$3,258 USD
View
B+
Retailer 5
-
£2,459 GBP
$3,295 USD
View
Final sale: no returns
B
Retailer 6
-
£2,536 GBP
$3,398 USD
View
B
Retailer 7
-
£2,538 GBP
$3,400 USD
View
B+
Retailer 8
-
£2,599 GBP
View
Retailer 9
-
£2,688 GBP
$3,601 USD
View
Price last confirmed 17 days ago
B
Retailer 10
-
£2,696 GBP
A$5,558 AUD
View
B
Retailer 11
-
£2,773 GBP
$3,715 USD
View
B
Retailer 12
-
£2,785 GBP
View
B
Retailer 13
-
£2,849 GBP
SGD 5,158 SGD
View
B
Retailer 14
-
£2,880 GBP
$3,859 USD
View
Retailer 15
-
£2,904 GBP
A$5,987 AUD
View
Price last confirmed 24 days ago
B
Retailer 16
-
£3,118 GBP
€3,979 EUR
View
B
Retailer 17
-
£3,304 GBP
ZAR 71,517 ZAR
View
B
Retailer 18
-
£4,496 GBP
View
Most Expensive
B
Queensmith
6545872782 · Oct 28
£4,791 GBP
View
18 more retailers have this diamond
Prices start from £2,035 GBPSave up to £2,757 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.

B+
1.20ct Cushion
£2,035 GBP