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Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

GD • J/SI1 • GIA 5376161653

Certificate GIA 5376161653

Diamond specifications and retailer prices

From £1,595 GBP
HK$16,700 HKD
As of November 1, 2026
Save £2,114 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,710 GBP at MOH London · As of October 29, 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 J 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 5376161653. Listed at 19 retailers as of October 29, 2026, with prices from £1,595 to £3,710, a £2,114 spread on the same certified stone. MOH London lists it at £3,710. 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
J
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5376161653
Dimensions6.69 × 6.21 × 4.18 mm
L/W Ratio1.08
Top View
6.69 mm6.21 mm1.51 ctJ / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5376161653
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.3%

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 1
Current: £3,710 GBP|Low: £1,538 GBP|High: £3,710 GBP|Avg: £2,153 GBP|+2.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 14£1,595 GBP
Retailer 10£1,664 GBP
Retailer 17£1,672 GBP
Retailer 5£1,715 GBP
Retailer 4£1,773 GBP
Retailer 6£1,801 GBP
Retailer 16£1,908 GBP
Retailer 19£1,941 GBP
Retailer 8£2,074 GBP
Retailer 15£2,085 GBP
Retailer 7£2,187 GBP
Retailer 18£2,187 GBP
Retailer 12£2,252 GBP
Retailer 3£2,261 GBP
Retailer 11£2,296 GBP
Retailer 2£2,465 GBP
Retailer 13£2,589 GBP
Retailer 9£3,035 GBP
MOH London£3,710 GBP

36 data points across 19 retailers

19 retailers£1,595 GBP to £3,710 GBP

B+
Cheapest Retailer
-
£1,595 GBP
HK$16,700 HKD
B+
Retailer 2
-
£1,664 GBP
$2,230 USD
View
Retailer 3
-
£1,702 GBP
$2,280 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
£1,715 GBP
$2,298 USD
View
B+
Retailer 5
-
£1,773 GBP
A$3,655 AUD
View
B+
Retailer 6
-
£1,801 GBP
$2,413 USD
View
Final sale: no returns
B+
Retailer 7
-
£1,908 GBP
$2,557 USD
View
B+
Retailer 8
-
£1,941 GBP
$2,601 USD
View
B+
Retailer 9
-
£2,074 GBP
$2,779 USD
View
B+
Retailer 10
-
£2,085 GBP
CA$3,881 CAD
View
B+
Retailer 11
-
£2,187 GBP
$2,930 USD
View
B+
Retailer 12
-
£2,187 GBP
$2,930 USD
View
B+
Retailer 13
-
£2,252 GBP
View
B+
Retailer 14
-
£2,261 GBP
$3,030 USD
View
Retailer 15
-
£2,296 GBP
A$4,733 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
£2,465 GBP
€3,145 EUR
View
B+
Retailer 17
-
£2,589 GBP
ZAR 56,042 ZAR
View
B
Retailer 18
-
£3,035 GBP
$4,066 USD
View
Most Expensive
B
MOH London
2996E65DA · Oct 29
£3,710 GBP
View
18 more retailers have this diamond
Prices start from £1,595 GBPSave up to £2,114 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
£1,595 GBP