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Cushion|Natural|GIA

0.79ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6392065784

Certificate GIA 6392065784

Diamond specifications and retailer prices

From £583 GBP
As of November 5, 2026
Save £158 GBP (21%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £741 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.79ct natural cushion diamond

This 0.79ct natural cushion sits in the just-under-one-carat band, graded K 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 6392065784. Listed at 2 retailers as of November 5, 2026, with prices from £583 to £741, a £158 spread on the same certified stone. 77 Diamonds lists it at £741. 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

0.79
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392065784
Dimensions5.51 × 5.15 × 3.52 mm
L/W Ratio1.07
Top View
5.51 mm5.15 mm0.79 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6392065784
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 68.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £741 GBP|Low: £583 GBP|High: £763 GBP|Avg: £663 GBP|+3.5%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£583 GBP
77 Diamonds£741 GBP

35 data points across 2 retailers

2 retailers£583 GBP to £741 GBP

B+
Cheapest Retailer
-
£583 GBP
Most Expensive
B+
77 Diamonds
CUSDHDKDCBV3R · Nov 6
£741 GBP
View
1 more retailer has this diamond
Prices start from £583 GBPSave up to £158 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+
0.79ct Cushion
£583 GBP