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Round|Natural|GIA

1.22ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1553004979

Certificate GIA 1553004979

Diamond specifications and retailer prices

From £3,350 GBP
$4,488 USD
As of October 30, 2026
Save £3,073 GBP (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,423 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 top-tier cut grade and certified by GIA 1553004979. Listed at 10 retailers as of October 30, 2026, with prices from £3,350 to £6,423, a £3,073 spread on the same certified stone. NZ Jewellers lists it at £6,423. 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

1.22
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553004979
Dimensions6.79 × 6.82 × 4.24 mm
L/W Ratio1.00
Top View
6.79 mm6.82 mm1.22 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553004979
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: Oct 30
Current: £4,345 GBP|Low: £3,605 GBP|High: £6,042 GBP|Avg: £4,387 GBP|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£3,617 GBP
Retailer 3£3,809 GBP
Retailer 5£4,204 GBP
Retailer 1£4,345 GBP
Retailer 6£4,570 GBP
Retailer 4£6,002 GBP

30 data points across 6 retailers

10 retailers£3,350 GBP to £6,423 GBP

B+
Cheapest Retailer
-
£3,350 GBP
$4,488 USD
B+
Retailer 2
-
£3,617 GBP
View
B+
Retailer 3
-
£3,809 GBP
View
B+
Retailer 4
-
£3,840 GBP
$5,145 USD
View
B+
Retailer 5
-
£3,840 GBP
$5,145 USD
View
B+
Retailer 6
-
£4,204 GBP
View
B+
Retailer 7
-
£4,345 GBP
€5,545 EUR
View
B
Retailer 8
-
£4,431 GBP
$5,937 USD
View
B
Retailer 9
-
£6,002 GBP
View
Most Expensive
B
NZ Jewellers
c93e1304-31ef-4ffb-a45f-7032c7fa33c4 · Oct 30
£6,423 GBP
$8,606 USD
View
9 more retailers have this diamond
Prices start from £3,350 GBPSave up to £3,073 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+
1.22ct Round
£3,350 GBP