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Cushion|Natural|GIA

1.51ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1545613508

Certificate GIA 1545613508

Diamond specifications and retailer prices

From £3,661 GBP
$4,905 USD
As of October 23, 2026
8 retailers carry this diamond
Most expensive: £7,674 GBP at MOH London · As of October 25, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545613508. Listed at 8 retailers as of October 23, 2026. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1545613508
Dimensions7.74 × 5.93 × 4.12 mm
L/W Ratio1.31
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
7.74 mm5.93 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1545613508
Side View
Table 63.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: £7,674 GBP|Low: £3,623 GBP|High: £7,746 GBP|Avg: £4,931 GBP|+10.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 9£3,661 GBP
Retailer 4£4,344 GBP
Retailer 8£4,348 GBP
Retailer 5£4,598 GBP
Retailer 6£4,938 GBP
Retailer 7£5,057 GBP
Retailer 3£5,176 GBP
Retailer 2£5,186 GBP
MOH London£7,674 GBP

33 data points across 9 retailers

8 retailers£3,661 GBP to £7,674 GBP

Retailer 1
-
£3,661 GBP
$4,905 USD
Price last confirmed 9 days ago
Retailer 2
-
£4,344 GBP
$5,821 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£4,348 GBP
$5,826 USD
View
Price last confirmed 10 days ago
Retailer 4
-
£4,598 GBP
$6,161 USD
View
Price last confirmed 7 days ago
Retailer 5
-
£4,938 GBP
€6,301 EUR
View
Price last confirmed 9 days ago
Retailer 6
-
£5,057 GBP
$6,776 USD
View
Price last confirmed 9 days ago
Retailer 7
-
£5,176 GBP
View
Price last confirmed 7 days ago
Most Expensive
MOH London
29EB53965 · Oct 25
£7,674 GBP
View
Price last confirmed 7 days ago
7 more retailers have this diamond

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.

1.51ct Cushion
£3,661 GBP