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Cushion|Natural|GIA

0.67ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 5543921061

Certificate GIA 5543921061

Diamond specifications and retailer prices

From £290 GBP
$388 USD
As of November 2, 2026
Save £136 GBP (32%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £425 GBP at Jared · As of October 30, 2026
View at Jared

About this 0.67ct natural cushion diamond

This 0.67ct natural cushion sits in the half to three-quarter carat band, graded I 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 5543921061. Listed at 9 retailers as of October 30, 2026, with prices from £290 to £425, a £136 spread on the same certified stone. Jared lists it at £425. 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

0.67
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543921061
Dimensions4.89 × 4.78 × 3.25 mm
L/W Ratio1.02
Top View
4.89 mm4.78 mm0.67 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5543921061
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.1%

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: Nov 2
Current: £425 GBP|Low: £252 GBP|High: £455 GBP|Avg: £379 GBP|-6.6%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5£290 GBP
Retailer 9£312 GBP
Retailer 7£347 GBP
Retailer 3£377 GBP
Retailer 6£387 GBP
Retailer 2£400 GBP
Retailer 4£418 GBP
Retailer 8£418 GBP
Jared£425 GBP

41 data points across 9 retailers

9 retailers£290 GBP to £425 GBP

A
Cheapest Retailer
-
£290 GBP
$388 USD
Final sale: no returns
A
Retailer 2
-
£312 GBP
MYR 1,703 MYR
View
A
Retailer 3
-
£347 GBP
SGD 629 SGD
View
A
Retailer 4
-
£377 GBP
$505 USD
View
A
Retailer 5
-
£387 GBP
$518 USD
View
A
Retailer 6
-
£400 GBP
View
A
Retailer 7
-
£418 GBP
$560 USD
View
A
Retailer 8
-
£418 GBP
$560 USD
View
Most Expensive
A
Jared
159054771 · Oct 30
£425 GBP
$570 USD
View
8 more retailers have this diamond
Prices start from £290 GBPSave up to £136 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
0.67ct Cushion
£290 GBP