Cushion|Natural|GIA

3.00ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6542133615

Certificate GIA 6542133615

Diamond specifications and retailer prices

From £15,240 GBP
As of November 4, 2026
Save £2,793 GBP (15%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £18,032 GBP at Ritani · As of November 5, 2026
View at Ritani

About this 3ct natural cushion diamond

This 3ct natural cushion sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542133615. Listed at 6 retailers as of November 4, 2026, with prices from £15,240 to £18,032, a £2,793 spread on the same certified stone. Ritani lists it at £18,032. 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

3.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542133615
Dimensions8.08 × 8.02 × 5.45 mm
L/W Ratio1.01
Top View
8.08 mm8.02 mm3.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542133615
Side View
Table 59.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 68.0%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £15,616 GBP|Low: £15,240 GBP|High: £18,094 GBP|Avg: £17,006 GBP|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Ritani
November 6, 2026
Retailer 4£15,240 GBP
Retailer 1£15,616 GBP
Retailer 2£16,389 GBP
Retailer 3£16,725 GBP
Retailer 5£16,855 GBP
Ritani£18,032 GBP

40 data points across 6 retailers

6 retailers£15,240 GBP to £18,032 GBP

A
Cheapest Retailer
-
£15,240 GBP
A
Retailer 2
-
£15,616 GBP
View
A
Retailer 3
-
£16,389 GBP
View
A
Retailer 4
-
£16,725 GBP
View
A
Retailer 5
-
£16,855 GBP
View
Most Expensive
A
Ritani
D-58851D04TR · Nov 5
£18,032 GBP
$24,136 USD
View
5 more retailers have this diamond
Prices start from £15,240 GBPSave up to £2,793 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
3.00ct Cushion
£15,240 GBP