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Cushion|Natural|GIA

3.00ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 6565166753

Certificate GIA 6565166753

Diamond specifications and retailer prices

From £11,802 GBP
As of November 5, 2026
Save £6,456 GBP (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £18,258 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 3ct natural cushion diamond

This 3ct natural cushion sits in the three to five carat band, graded G 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 6565166753. Listed at 13 retailers as of November 5, 2026, with prices from £11,802 to £18,258, a £6,456 spread on the same certified stone. Helzberg Diamonds lists it at £18,258. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 6565166753
Dimensions8.96 × 7.46 × 5.20 mm
L/W Ratio1.20
Culet sizeNone
Top View
8.96 mm7.46 mm3.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565166753
Side View
Table 62.0%Crown 39.4°Girdle: STK-VTKPavilion 36.5°Culet: NDepth 69.7%

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 5
Current: £18,258 GBP|Low: £11,802 GBP|High: £18,634 GBP|Avg: £14,012 GBP|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13£11,802 GBP
Retailer 8£12,238 GBP
Retailer 7£12,242 GBP
Retailer 4£12,701 GBP
Retailer 5£12,799 GBP
Retailer 2£12,929 GBP
Retailer 3£13,101 GBP
Retailer 9£13,109 GBP
Retailer 6£14,483 GBP
Retailer 11£14,583 GBP
Retailer 10£14,648 GBP
Retailer 12£15,792 GBP
Helzberg Diamonds£18,258 GBP

35 data points across 13 retailers

13 retailers£11,802 GBP to £18,258 GBP

A
Cheapest Retailer
-
£11,802 GBP
A
Retailer 2
-
£12,238 GBP
View
A
Retailer 3
-
£12,242 GBP
View
A
Retailer 4
-
£12,701 GBP
View
A
Retailer 5
-
£12,799 GBP
View
A
Retailer 6
-
£12,929 GBP
View
A
Retailer 7
-
£13,101 GBP
View
A
Retailer 8
-
£13,109 GBP
View
A
Retailer 9
-
£14,483 GBP
View
A
Retailer 10
-
£14,583 GBP
View
A
Retailer 11
-
£14,648 GBP
View
A
Retailer 12
-
£15,792 GBP
View
Most Expensive
A
Helzberg Diamonds
XZRMLMLHMMNLJ · Nov 6
£18,258 GBP
$24,438 USD
View
12 more retailers have this diamond
Prices start from £11,802 GBPSave up to £6,456 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
£11,802 GBP