Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

VG • D/SI1 • GIA 5211042219

Certificate GIA 5211042219

Diamond specifications and retailer prices

From £6,665 GBP
$8,930 USD
As of October 31, 2026
Save £4,625 GBP (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £11,290 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5211042219. Listed at 14 retailers as of October 31, 2026, with prices from £6,665 to £11,290, a £4,625 spread on the same certified stone. MOH London lists it at £11,290. 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

1.51
Carat
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5211042219
Dimensions6.90 × 6.01 × 4.19 mm
L/W Ratio1.15
Top View
6.90 mm6.01 mm1.51 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5211042219
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.7%

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: Oct 31
Current: £11,290 GBP|Low: £6,616 GBP|High: £11,425 GBP|Avg: £8,643 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8£6,616 GBP
Retailer 7£6,665 GBP
Retailer 5£7,355 GBP
Retailer 3£7,915 GBP
Retailer 6£7,955 GBP
Retailer 2£8,088 GBP
Retailer 4£10,620 GBP
MOH London£11,290 GBP

44 data points across 8 retailers

14 retailers£6,665 GBP to £11,290 GBP

Retailer 1
-
£6,616 GBP
$8,865 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
£6,665 GBP
$8,930 USD
View
B
Retailer 3
-
£7,355 GBP
$9,855 USD
View
B
Retailer 4
-
£7,355 GBP
$9,855 USD
View
B
Retailer 5
-
£7,915 GBP
View
Retailer 6
-
£7,955 GBP
A$16,399 AUD
View
Price last confirmed 9 days ago
B
Retailer 7
-
£8,034 GBP
$10,765 USD
View
B
Retailer 8
-
£8,088 GBP
View
B
Retailer 9
-
£8,486 GBP
$11,370 USD
View
B
Retailer 10
-
£8,486 GBP
$11,370 USD
View
B
Retailer 11
-
£8,769 GBP
$11,750 USD
View
Retailer 12
-
£9,511 GBP
$12,744 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
£10,620 GBP
ZAR 229,875 ZAR
View
Most Expensive
B
MOH London
F895FF322 · Nov 1
£11,290 GBP
View
13 more retailers have this diamond
Prices start from £6,665 GBPSave up to £4,625 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+
1.51ct Cushion
£6,665 GBP