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Cushion|Natural|GIA

0.80ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1408820623

Certificate GIA 1408820623

Diamond specifications and retailer prices

From £996 GBP
$1,335 USD
As of October 31, 2026
Save £1,179 GBP (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,175 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1408820623. Listed at 10 retailers as of October 29, 2026, with prices from £996 to £2,175, a £1,179 spread on the same certified stone. MOH London lists it at £2,175. 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

0.80
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1408820623
Dimensions5.58 × 5.01 × 3.46 mm
L/W Ratio1.11
Top View
5.58 mm5.01 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1408820623
Side View
Table 61.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 69.1%

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: Oct 31
Current: £2,175 GBP|Low: £906 GBP|High: £2,190 GBP|Avg: £1,534 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7£996 GBP
Retailer 5£1,265 GBP
Retailer 8£1,317 GBP
Retailer 4£1,366 GBP
Retailer 6£1,651 GBP
Retailer 2£1,728 GBP
Retailer 3£1,884 GBP
MOH London£2,175 GBP

44 data points across 8 retailers

10 retailers£996 GBP to £2,175 GBP

A
Cheapest Retailer
-
£996 GBP
$1,335 USD
Final sale: no returns
B+
Retailer 2
-
£1,131 GBP
$1,515 USD
View
B+
Retailer 3
-
£1,265 GBP
$1,695 USD
View
B+
Retailer 4
-
£1,317 GBP
$1,765 USD
View
B+
Retailer 5
-
£1,366 GBP
View
B+
Retailer 6
-
£1,367 GBP
$1,832 USD
View
Retailer 7
-
£1,651 GBP
A$3,403 AUD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
£1,728 GBP
€2,205 EUR
View
B
Retailer 9
-
£1,884 GBP
ZAR 40,788 ZAR
View
Most Expensive
B
MOH London
9CD2311BC · Oct 29
£2,175 GBP
View
9 more retailers have this diamond
Prices start from £996 GBPSave up to £1,179 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
0.80ct Cushion
£996 GBP