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Cushion|Natural|GIA

0.31ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1543867708

Certificate GIA 1543867708

Diamond specifications and retailer prices

From £177 GBP
₹22,594 INR
As of November 2, 2026
Save £397 GBP (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £574 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.31ct natural cushion diamond

This 0.31ct natural cushion sits in the sub-half-carat band, graded H 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 1543867708. Listed at 11 retailers as of November 1, 2026, with prices from £177 to £574, a £397 spread on the same certified stone. MOH London lists it at £574. 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

0.31
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543867708
Dimensions3.82 × 3.82 × 2.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
3.82 mm3.82 mm0.31 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543867708
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
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: £574 GBP|Low: £177 GBP|High: £581 GBP|Avg: £371 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2£177 GBP
Retailer 8£268 GBP
Retailer 10£287 GBP
Retailer 5£321 GBP
Retailer 7£341 GBP
Retailer 11£359 GBP
Retailer 9£362 GBP
Retailer 6£386 GBP
Retailer 4£462 GBP
Retailer 3£472 GBP
MOH London£574 GBP

35 data points across 11 retailers

11 retailers£177 GBP to £574 GBP

A
Cheapest Retailer
-
£177 GBP
₹22,594 INR
B+
Retailer 2
-
£268 GBP
$359 USD
View
B+
Retailer 3
-
£287 GBP
$384 USD
View
B+
Retailer 4
-
£321 GBP
View
B
Retailer 5
-
£341 GBP
View
B+
Retailer 6
-
£359 GBP
$481 USD
View
B+
Retailer 7
-
£362 GBP
$485 USD
View
B+
Retailer 8
-
£386 GBP
ZAR 8,347 ZAR
View
B
Retailer 9
-
£462 GBP
€590 EUR
View
Retailer 10
-
£472 GBP
A$974 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
6423692FF · Nov 1
£574 GBP
View
10 more retailers have this diamond
Prices start from £177 GBPSave up to £397 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
0.31ct Cushion
£177 GBP