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Cushion|Natural|GIA

1.20ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 6552079532

Certificate GIA 6552079532

Diamond specifications and retailer prices

From £1,710 GBP
HK$17,900 HKD
As of November 1, 2026
Save £2,745 GBP (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,455 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552079532. Listed at 14 retailers as of October 28, 2026, with prices from £1,710 to £4,455, a £2,745 spread on the same certified stone. Queensmith lists it at £4,455. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552079532
Dimensions7.36 × 5.45 × 3.67 mm
L/W Ratio1.35
Top View
7.36 mm5.45 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552079532
Side View
Table 65.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 67.3%

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: £4,455 GBP|Low: £1,700 GBP|High: £4,545 GBP|Avg: £2,605 GBP|+0.9%
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 7£1,710 GBP
Retailer 2£1,802 GBP
Retailer 3£2,077 GBP
Retailer 10£2,099 GBP
Retailer 4£2,364 GBP
Retailer 9£2,381 GBP
Retailer 12£2,383 GBP
Retailer 6£2,432 GBP
Retailer 11£2,463 GBP
Retailer 8£2,664 GBP
Retailer 5£3,804 GBP
Queensmith£4,455 GBP

29 data points across 12 retailers

14 retailers£1,710 GBP to £4,455 GBP

A
Cheapest Retailer
-
£1,710 GBP
HK$17,900 HKD
A
Retailer 2
-
£1,802 GBP
₹229,902 INR
View
A
Retailer 3
-
£2,077 GBP
SGD 3,761 SGD
View
A
Retailer 4
-
£2,099 GBP
$2,813 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,198 GBP
$2,945 USD
View
B+
Retailer 6
-
£2,342 GBP
A$4,828 AUD
View
Retailer 7
-
£2,364 GBP
$3,168 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
£2,381 GBP
$3,190 USD
View
B+
Retailer 9
-
£2,383 GBP
SGD 4,314 SGD
View
B+
Retailer 10
-
£2,432 GBP
View
B+
Retailer 11
-
£2,463 GBP
$3,300 USD
View
B+
Retailer 12
-
£2,664 GBP
€3,399 EUR
View
B
Retailer 13
-
£3,804 GBP
View
Most Expensive
B
Queensmith
6552079532 · Oct 28
£4,455 GBP
View
13 more retailers have this diamond
Prices start from £1,710 GBPSave up to £2,745 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
£1,710 GBP