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Round|Natural|GIA

0.90ct K SI1 Round Natural Diamond

GD • K/SI1 • GIA 2294816392

Certificate GIA 2294816392

Diamond specifications and retailer prices

From £646 GBP
As of November 6, 2026
Save £1,462 GBP (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,109 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 2294816392. Listed at 17 retailers as of November 5, 2026, with prices from £646 to £2,109, a £1,462 spread on the same certified stone. NZ Jewellers lists it at £2,109. 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
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2294816392
Dimensions5.97 × 5.92 × 3.90 mm
L/W Ratio1.01
Top View
5.97 mm5.92 mm0.90 ctK / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2294816392
Side View
Table 55.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 65.7%

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 6
Current: £2,109 GBP|Low: £637 GBP|High: £2,109 GBP|Avg: £1,054 GBP
NZ Jewellers
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 17£646 GBP
Retailer 8£799 GBP
Retailer 9£802 GBP
Retailer 5£828 GBP
Retailer 4£828 GBP
Retailer 3£865 GBP
Retailer 16£865 GBP
Retailer 15£898 GBP
Retailer 6£911 GBP
Retailer 7£964 GBP
Retailer 10£970 GBP
Retailer 14£998 GBP
Retailer 12£1,202 GBP
Retailer 11£1,266 GBP
Retailer 13£1,579 GBP
Retailer 2£2,054 GBP
NZ Jewellers£2,109 GBP

32 data points across 17 retailers

17 retailers£646 GBP to £2,109 GBP

B+
Cheapest Retailer
-
£646 GBP
B+
Retailer 2
-
£802 GBP
View
B+
Retailer 3
-
£828 GBP
View
B+
Retailer 4
-
£828 GBP
View
Retailer 5
-
£865 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£865 GBP
View
B+
Retailer 7
-
£894 GBP
View
B+
Retailer 8
-
£898 GBP
View
B+
Retailer 9
-
£911 GBP
View
B
Retailer 10
-
£964 GBP
View
B+
Retailer 11
-
£970 GBP
View
B+
Retailer 12
-
£998 GBP
View
B
Retailer 13
-
£1,202 GBP
View
B
Retailer 14
-
£1,266 GBP
View
B
Retailer 15
-
£1,579 GBP
View
C
Retailer 16
-
£2,054 GBP
View
Most Expensive
C
NZ Jewellers
30382859-f5f4-4de3-95c7-8f063c8a9fb3 · Nov 5
£2,109 GBP
$2,838 USD
View
16 more retailers have this diamond
Prices start from £646 GBPSave up to £1,462 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+
0.90ct Round
£646 GBP