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Cushion|Natural|GIA

1.21ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 6482056538

Certificate GIA 6482056538

Diamond specifications and retailer prices

From £2,625 GBP
A$5,411 AUD
As of October 31, 2026
Save £1,003 GBP (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,628 GBP at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 1.21ct natural cushion diamond

This 1.21ct 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 6482056538. Listed at 3 retailers as of October 30, 2026, with prices from £2,625 to £3,628, a £1,003 spread on the same certified stone. 77 Diamonds lists it at £3,628. 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

1.21
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle34.4°
Pavilion angle34.5°
OriginNatural
Grading LabGIA
CertificateGIA 6482056538
Dimensions6.78 × 5.77 × 3.80 mm
L/W Ratio1.18
Top View
6.78 mm5.77 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6482056538
Side View
Table 62.0%Crown 34.4°Girdle: 1.6Pavilion 34.5°CuletDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,628 GBP|Low: £2,723 GBP|High: £3,641 GBP|Avg: £3,166 GBP|+2.0%
77 Diamonds
Retailer 2
October 30, 2026
Retailer 2£2,723 GBP
77 Diamonds£3,628 GBP

35 data points across 2 retailers

3 retailers£2,625 GBP to £3,628 GBP

B+
Cheapest Retailer
-
£2,625 GBP
A$5,411 AUD
B
Retailer 2
-
£2,723 GBP
CA$5,067 CAD
View
Most Expensive
B
77 Diamonds
CUSMBEUGSJZZN · Oct 30
£3,628 GBP
View
2 more retailers have this diamond
Prices start from £2,625 GBPSave up to £1,003 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+
1.21ct Cushion
£2,625 GBP