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Cushion|Natural|GIA

0.90ct H SI1 Cushion Natural Diamond

VG • H/SI1 • GIA 6515400743

Certificate GIA 6515400743

Diamond specifications and retailer prices

From £696 GBP
$932 USD
As of November 1, 2026
Save £1,088 GBP (61%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,784 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6515400743. Listed at 24 retailers as of November 1, 2026, with prices from £696 to £1,784, a £1,088 spread on the same certified stone. Do Amore Diamonds lists it at £1,784. 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

0.90
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle39.1°
OriginNatural
Grading LabGIA
CertificateGIA 6515400743
Dimensions6.54 × 5.31 × 3.50 mm
L/W Ratio1.23
Top View
6.54 mm5.31 mm0.90 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6515400743
Side View
Table 66.0%CrownGirdle: MED-THKPavilion 39.1°Culet: NoneDepth 65.9%

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 1
Current: £1,784 GBP|Low: £688 GBP|High: £1,784 GBP|Avg: £1,026 GBP
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 20
Retailer 21
November 2, 2026
Retailer 15£696 GBP
Retailer 18£697 GBP
Retailer 21£735 GBP
Retailer 4£753 GBP
Retailer 14£769 GBP
Retailer 7£799 GBP
Retailer 12£811 GBP
Retailer 17£852 GBP
Retailer 5£883 GBP
Retailer 8£902 GBP
Retailer 13£913 GBP
Retailer 10£918 GBP
Retailer 9£958 GBP
Retailer 3£1,082 GBP
Retailer 11£1,178 GBP
Retailer 20£1,234 GBP
Retailer 2£1,259 GBP
Retailer 19£1,319 GBP
Retailer 6£1,386 GBP
Retailer 16£1,650 GBP
Do Amore Diamonds£1,784 GBP

29 data points across 21 retailers

24 retailers£696 GBP to £1,784 GBP

A
Cheapest Retailer
-
£696 GBP
$932 USD
A
Retailer 2
-
£697 GBP
HK$7,300 HKD
View
A
Retailer 3
-
£735 GBP
$985 USD
View
A
Retailer 4
-
£753 GBP
$1,009 USD
View
Final sale: no returns
A
Retailer 5
-
£769 GBP
$1,030 USD
View
A
Retailer 6
-
£799 GBP
$1,070 USD
View
A
Retailer 7
-
£811 GBP
$1,086 USD
View
A
Retailer 8
-
£852 GBP
€1,087 EUR
View
B+
Retailer 9
-
£883 GBP
$1,183 USD
View
B+
Retailer 10
-
£902 GBP
$1,208 USD
View
B+
Retailer 11
-
£913 GBP
View
B+
Retailer 12
-
£918 GBP
$1,230 USD
View
B+
Retailer 13
-
£958 GBP
$1,284 USD
View
B+
Retailer 14
-
£1,082 GBP
SGD 1,959 SGD
View
B+
Retailer 15
-
£1,129 GBP
A$2,328 AUD
View
Retailer 16
-
£1,178 GBP
A$2,428 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
£1,234 GBP
$1,653 USD
View
Retailer 18
-
£1,234 GBP
$1,653 USD
View
Price last confirmed 11 days ago
Retailer 19
-
£1,253 GBP
$1,679 USD
View
Price last confirmed 39 days ago
B+
Retailer 20
-
£1,259 GBP
€1,606 EUR
View
B+
Retailer 21
-
£1,319 GBP
ZAR 28,558 ZAR
View
Retailer 22
-
£1,386 GBP
$1,858 USD
View
Price last confirmed 9 days ago
B
Retailer 23
-
£1,650 GBP
View
Most Expensive
B
Do Amore Diamonds
10-YSMAX082 · Nov 2
£1,784 GBP
$2,390 USD
View
23 more retailers have this diamond
Prices start from £696 GBPSave up to £1,088 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
0.90ct Cushion
£696 GBP