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Cushion|Natural|GIA

0.67ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2546792557

Certificate GIA 2546792557

Diamond specifications and retailer prices

From £308 GBP
MYR 1,679 MYR
As of October 30, 2026
Save £106 GBP (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £413 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.67ct natural cushion diamond

This 0.67ct 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 2546792557. Listed at 4 retailers as of October 30, 2026, with prices from £308 to £413, a £106 spread on the same certified stone. Blue Nile lists it at £413. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546792557
Dimensions4.92 × 4.87 × 3.28 mm
L/W Ratio1.01
Top View
4.92 mm4.87 mm0.67 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546792557
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.3%

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 30
Current: £413 GBP|Low: £308 GBP|High: £458 GBP|Avg: £374 GBP|-9.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4£308 GBP
Retailer 3£344 GBP
Retailer 2£395 GBP
Blue Nile£413 GBP

40 data points across 4 retailers

4 retailers£308 GBP to £413 GBP

A
Cheapest Retailer
-
£308 GBP
MYR 1,679 MYR
A
Retailer 2
-
£344 GBP
SGD 623 SGD
View
A
Retailer 3
-
£395 GBP
View
Most Expensive
A
Blue Nile
28488202 · Oct 31
£413 GBP
$554 USD
View
3 more retailers have this diamond
Prices start from £308 GBPSave up to £106 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
£308 GBP