Cushion|Natural|GIA

0.80ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6187707281

Certificate GIA 6187707281

Diamond specifications and retailer prices

From £966 GBP
$1,294 USD
As of October 30, 2026
Save £1,059 GBP (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,025 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 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 6187707281. Listed at 11 retailers as of October 29, 2026, with prices from £966 to £2,025, a £1,059 spread on the same certified stone. MOH London lists it at £2,025. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6187707281
Dimensions5.41 × 5.39 × 3.74 mm
L/W Ratio1.00
Top View
5.41 mm5.39 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6187707281
Side View
Table 56.0%CrownGirdle: MED-THKPavilionCulet: NDepth 69.4%

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 30
Current: £2,025 GBP|Low: £966 GBP|High: £2,039 GBP|Avg: £1,409 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5£966 GBP
Retailer 7£1,042 GBP
Retailer 8£1,119 GBP
Retailer 2£1,283 GBP
Retailer 6£1,500 GBP
Retailer 3£1,570 GBP
Retailer 4£1,712 GBP
MOH London£2,025 GBP

44 data points across 8 retailers

11 retailers£966 GBP to £2,025 GBP

B+
Cheapest Retailer
-
£966 GBP
$1,294 USD
A
Retailer 2
-
£966 GBP
$1,295 USD
View
B+
Retailer 3
-
£1,042 GBP
$1,396 USD
View
B+
Retailer 4
-
£1,119 GBP
$1,500 USD
View
B
Retailer 5
-
£1,260 GBP
$1,688 USD
View
B
Retailer 6
-
£1,283 GBP
View
B+
Retailer 7
-
£1,322 GBP
$1,771 USD
View
Retailer 8
-
£1,500 GBP
A$3,092 AUD
View
Price last confirmed 27 days ago
B
Retailer 9
-
£1,570 GBP
€2,004 EUR
View
B
Retailer 10
-
£1,712 GBP
ZAR 37,064 ZAR
View
Most Expensive
B
MOH London
F15FAA159 · Oct 29
£2,025 GBP
View
10 more retailers have this diamond
Prices start from £966 GBPSave up to £1,059 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
£966 GBP