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Round|Natural|GIA

1.22ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 5303821478

Certificate GIA 5303821478

Diamond specifications and retailer prices

From £2,016 GBP
HK$21,100 HKD
As of October 31, 2026
Save £2,506 GBP (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,522 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.22ct natural round diamond

This 1.22ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 5303821478. Listed at 15 retailers as of October 31, 2026, with prices from £2,016 to £4,522, a £2,506 spread on the same certified stone. Diamond Quarter lists it at £4,522. 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

1.22
Carat
D
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5303821478
Dimensions6.60 × 6.57 × 4.34 mm
L/W Ratio1.00
Top View
6.60 mm6.57 mm1.22 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5303821478
Side View
Table 55.0%CrownGirdle: THK-VTKPavilionCulet: 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: Oct 31
Current: £2,016 GBP|Low: £1,997 GBP|High: £4,251 GBP|Avg: £2,683 GBP|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 1£2,016 GBP
Retailer 4£2,166 GBP
Retailer 3£2,252 GBP
Retailer 9£2,355 GBP
Retailer 12£2,440 GBP
Retailer 14£2,440 GBP
Retailer 8£2,513 GBP
Retailer 6£2,533 GBP
Retailer 13£2,534 GBP
Retailer 5£2,547 GBP
Retailer 7£2,552 GBP
Retailer 2£2,815 GBP
Retailer 10£2,857 GBP
Retailer 11£4,102 GBP
Retailer 15£4,251 GBP

31 data points across 15 retailers

15 retailers£2,016 GBP to £4,522 GBP

A
Cheapest Retailer
-
£2,016 GBP
HK$21,100 HKD
B+
Retailer 2
-
£2,166 GBP
$2,902 USD
View
B+
Retailer 3
-
£2,252 GBP
$3,017 USD
View
Final sale: no returns
A
Retailer 4
-
£2,355 GBP
View
B+
Retailer 5
-
£2,440 GBP
$3,269 USD
View
B+
Retailer 6
-
£2,440 GBP
$3,269 USD
View
B+
Retailer 7
-
£2,513 GBP
View
B+
Retailer 8
-
£2,534 GBP
$3,395 USD
View
B+
Retailer 9
-
£2,547 GBP
$3,413 USD
View
B+
Retailer 10
-
£2,552 GBP
$3,420 USD
View
B+
Retailer 11
-
£2,815 GBP
$3,772 USD
View
B+
Retailer 12
-
£2,857 GBP
€3,646 EUR
View
B
Retailer 13
-
£4,102 GBP
View
B
Retailer 14
-
£4,251 GBP
$5,696 USD
View
Most Expensive
B
Diamond Quarter
1.22SI2D5378BE7FN · Oct 31
£4,522 GBP
View
14 more retailers have this diamond
Prices start from £2,016 GBPSave up to £2,506 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
1.22ct Round
£2,016 GBP