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Cushion|Natural|GIA

0.99ct I I1 Cushion Natural Diamond

I/I1 • GIA 5366535986

Certificate GIA 5366535986

Diamond specifications and retailer prices

From £692 GBP
$929 USD
As of November 2, 2026
Save £161 GBP (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £854 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 0.99ct natural cushion diamond

This 0.99ct natural cushion sits in the just-under-one-carat band, graded I colour (near-colourless) and I1 clarity (included) and certified by GIA 5366535986. Listed at 2 retailers as of October 31, 2026, with prices from £692 to £854, a £161 spread on the same certified stone. Yorxs lists it at £854. 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

0.99
Carat
I
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5366535986
Dimensions5.53 × 5.03 × 3.94 mm
L/W Ratio1.10
Top View
5.53 mm5.03 mm0.99 ctI / I1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 5366535986
Side View
Table 62.0%CrownGirdlePavilionCulet: NoneDepth 78.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £692 GBP|Low: £401 GBP|High: £854 GBP|Avg: £641 GBP|+15.3%
Retailer 1
Retailer 2
Retailer 3
Yorxs
October 31, 2026
Retailer 3£401 GBP
Retailer 1£692 GBP
Retailer 2£708 GBP
Yorxs£854 GBP

16 data points across 4 retailers

2 retailers£692 GBP to £854 GBP

B+
Cheapest Retailer
-
£692 GBP
$929 USD
Most Expensive
C
Yorxs
B89003503 · Oct 31
£854 GBP
€1,091 EUR
View
1 more retailer has this diamond
Prices start from £692 GBPSave up to £161 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.

B+
0.99ct Cushion
£692 GBP