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Cushion|Natural|GIA

1.20ct L SI1 Cushion Natural Diamond

EX • L/SI1 • GIA 6183337598

Certificate GIA 6183337598

Diamond specifications and retailer prices

From £2,174 GBP
As of November 6, 2026
Save £352 GBP (14%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,526 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6183337598. Listed at 2 retailers as of November 6, 2026, with prices from £2,174 to £2,526, a £352 spread on the same certified stone. Yorxs lists it at £2,526. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6183337598
Dimensions5.94 × 5.78 × 4.00 mm
L/W Ratio1.03
Top View
5.94 mm5.78 mm1.20 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6183337598
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £2,174 GBP|Low: £2,111 GBP|High: £2,540 GBP|Avg: £2,338 GBP|+3.0%
Retailer 1
Yorxs
November 6, 2026
Retailer 1£2,174 GBP
Yorxs£2,526 GBP

42 data points across 2 retailers

2 retailers£2,174 GBP to £2,526 GBP

B
Cheapest Retailer
-
£2,174 GBP
Most Expensive
C
Yorxs
3348F393D · Nov 6
£2,526 GBP
€3,220 EUR
View
1 more retailer has this diamond
Prices start from £2,174 GBPSave up to £352 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
£2,174 GBP