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Cushion|Natural|GIA

0.51ct F IF Cushion Natural Diamond

EX • F/IF • GIA 2566654198

Certificate GIA 2566654198

Diamond specifications and retailer prices

From £353 GBP
$474 USD
As of November 2, 2026
Save £636 GBP (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £989 GBP at MOH London · As of October 29, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566654198. Listed at 13 retailers as of October 29, 2026, with prices from £353 to £989, a £636 spread on the same certified stone. MOH London lists it at £989. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
F
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566654198
Dimensions5.60 × 4.05 × 2.74 mm
L/W Ratio1.38
Girdle conditionFaceted
Key to symbols
Minor Details of Polish
Top View
5.60 mm4.05 mm0.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566654198
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: £989 GBP|Low: £353 GBP|High: £989 GBP|Avg: £563 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9£353 GBP
Retailer 6£376 GBP
Retailer 10£429 GBP
Retailer 2£482 GBP
Retailer 5£485 GBP
Retailer 4£565 GBP
Retailer 7£572 GBP
Retailer 12£592 GBP
Retailer 3£629 GBP
Retailer 11£648 GBP
Retailer 8£679 GBP
MOH London£989 GBP

8 data points across 12 retailers

13 retailers£353 GBP to £989 GBP

A+
Cheapest Retailer
-
£353 GBP
$474 USD
Final sale: no returns
A
Retailer 2
-
£376 GBP
₹48,035 INR
View
A
Retailer 3
-
£429 GBP
HK$4,500 HKD
View
A
Retailer 4
-
£482 GBP
A$996 AUD
View
A
Retailer 5
-
£485 GBP
€619 EUR
View
A
Retailer 6
-
£518 GBP
$695 USD
View
A
Retailer 7
-
£565 GBP
SGD 1,025 SGD
View
A
Retailer 8
-
£572 GBP
View
A
Retailer 9
-
£592 GBP
$795 USD
View
A
Retailer 10
-
£629 GBP
$844 USD
View
A
Retailer 11
-
£648 GBP
$870 USD
View
B+
Retailer 12
-
£679 GBP
€868 EUR
View
Most Expensive
B
MOH London
D5751C921 · Oct 29
£989 GBP
View
12 more retailers have this diamond
Prices start from £353 GBPSave up to £636 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+
0.51ct Cushion
£353 GBP