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Cushion|Natural|GIA

0.69ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6475408859

Certificate GIA 6475408859

Diamond specifications and retailer prices

From £403 GBP
$540 USD
As of October 31, 2026
Save £132 GBP (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £535 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.69ct natural cushion diamond

This 0.69ct natural cushion sits in the half to three-quarter 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 6475408859. Listed at 4 retailers as of October 31, 2026, with prices from £403 to £535, a £132 spread on the same certified stone. Blue Nile lists it at £535. 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

0.69
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.1°
Pavilion angle59.3°
OriginNatural
Grading LabGIA
CertificateGIA 6475408859
Dimensions5.66 × 4.75 × 3.18 mm
L/W Ratio1.19
Top View
5.66 mm4.75 mm0.69 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6475408859
Side View
Table 66.0%Crown 31.1°Girdle: MED-STKPavilion 59.3°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £535 GBP|Low: £388 GBP|High: £901 GBP|Avg: £612 GBP|+3.2%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2£403 GBP
Retailer 5£414 GBP
Retailer 3£456 GBP
Retailer 4£524 GBP
Blue Nile£535 GBP
Retailer 6£552 GBP
Retailer 11£627 GBP
Retailer 10£718 GBP
Retailer 7£779 GBP
Retailer 9£845 GBP
Retailer 8£901 GBP

8 data points across 11 retailers

4 retailers£403 GBP to £535 GBP

A
Cheapest Retailer
-
£403 GBP
$540 USD
Retailer 2
-
£414 GBP
$555 USD
View
Price last confirmed 13 days ago
Retailer 3
-
£524 GBP
View
Price last confirmed 10 days ago
Most Expensive
B+
Blue Nile
30533323 · Oct 31
£535 GBP
$717 USD
View
3 more retailers have this diamond
Prices start from £403 GBPSave up to £132 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
0.69ct Cushion
£403 GBP