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Cushion|Natural|GIA

0.51ct G SI1 Cushion Natural Diamond

GD • G/SI1 • GIA 7496080636

Certificate GIA 7496080636

Diamond specifications and retailer prices

From £471 GBP
As of November 6, 2026
Save £708 GBP (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,179 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7496080636. Listed at 12 retailers as of November 4, 2026, with prices from £471 to £1,179, a £708 spread on the same certified stone. MOH London lists it at £1,179. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7496080636
Dimensions4.85 × 4.59 × 2.98 mm
L/W Ratio1.06
Key to symbols
Feather, Crystal
Top View
4.85 mm4.59 mm0.51 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7496080636
Side View
Table 63.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,179 GBP|Low: £471 GBP|High: £1,195 GBP|Avg: £684 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8£471 GBP
Retailer 10£487 GBP
Retailer 7£511 GBP
Retailer 3£557 GBP
Retailer 4£621 GBP
Retailer 6£640 GBP
Retailer 11£646 GBP
Retailer 2£723 GBP
Retailer 9£769 GBP
Retailer 5£789 GBP
MOH London£1,179 GBP

42 data points across 11 retailers

12 retailers£471 GBP to £1,179 GBP

B+
Cheapest Retailer
-
£471 GBP
Final sale: no returns
B
Retailer 2
-
£487 GBP
View
Retailer 3
-
£511 GBP
View
Price last confirmed 9 days ago
B
Retailer 4
-
£560 GBP
View
B
Retailer 5
-
£610 GBP
View
B
Retailer 6
-
£621 GBP
View
B
Retailer 7
-
£640 GBP
View
B
Retailer 8
-
£646 GBP
View
B
Retailer 9
-
£723 GBP
View
Retailer 10
-
£769 GBP
View
Price last confirmed 33 days ago
B
Retailer 11
-
£789 GBP
View
Most Expensive
C
MOH London
519549403 · Nov 4
£1,179 GBP
View
11 more retailers have this diamond
Prices start from £471 GBPSave up to £708 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.

B+
0.51ct Cushion
£471 GBP