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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1533872051

Certificate GIA 1533872051

Diamond specifications and retailer prices

From £2,283 GBP
$3,059 USD
As of November 2, 2026
Save £2,524 GBP (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,807 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1533872051. Listed at 12 retailers as of November 1, 2026, with prices from £2,283 to £4,807, a £2,524 spread on the same certified stone. MOH London lists it at £4,807. 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

1.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1533872051
Dimensions6.63 × 6.22 × 4.15 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.63 mm6.22 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1533872051
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £4,807 GBP|Low: £1,993 GBP|High: £4,807 GBP|Avg: £2,877 GBP|+4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 11£2,136 GBP
Retailer 8£2,232 GBP
Retailer 2£2,283 GBP
Retailer 5£2,450 GBP
Retailer 7£2,496 GBP
Retailer 14£2,760 GBP
Retailer 13£2,796 GBP
Retailer 9£2,864 GBP
Retailer 4£2,869 GBP
Retailer 12£2,957 GBP
Retailer 6£3,112 GBP
Retailer 10£3,219 GBP
Retailer 3£3,328 GBP
MOH London£4,807 GBP

35 data points across 14 retailers

12 retailers£2,283 GBP to £4,807 GBP

Retailer 1
-
£2,232 GBP
$2,990 USD
Price last confirmed 11 days ago
A
Retailer 2
-
£2,283 GBP
$3,059 USD
View
Final sale: no returns
Retailer 3
-
£2,450 GBP
$3,283 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
£2,496 GBP
$3,345 USD
View
A
Retailer 5
-
£2,716 GBP
A$5,598 AUD
View
Retailer 6
-
£2,760 GBP
$3,698 USD
View
Price last confirmed 25 days ago
Retailer 7
-
£2,796 GBP
$3,747 USD
View
Price last confirmed 25 days ago
Retailer 8
-
£2,869 GBP
$3,844 USD
View
Price last confirmed 24 days ago
Retailer 9
-
£2,957 GBP
A$6,095 AUD
View
Price last confirmed 24 days ago
Retailer 10
-
£3,112 GBP
$4,170 USD
View
Price last confirmed 23 days ago
Retailer 11
-
£3,328 GBP
ZAR 72,044 ZAR
View
Price last confirmed 32 days ago
Most Expensive
B+
MOH London
28EA0EA95 · Nov 1
£4,807 GBP
View
11 more retailers have this diamond
Prices start from £2,283 GBPSave up to £2,524 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
1.51ct Cushion
£2,283 GBP