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Round|Natural|GIA

0.99ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7446394500

Certificate GIA 7446394500

Diamond specifications and retailer prices

From £1,088 GBP
As of November 4, 2026
Save £2,145 GBP (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,233 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.99ct natural round diamond

This 0.99ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7446394500. Listed at 13 retailers as of November 4, 2026, with prices from £1,088 to £3,233, a £2,145 spread on the same certified stone. NZ Jewellers lists it at £3,233. 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

0.99
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7446394500
Dimensions6.40 × 6.37 × 3.99 mm
L/W Ratio1.00
Top View
6.40 mm6.37 mm0.99 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7446394500
Side View
Table 55.0%Crown 36°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.4%

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 4
Current: £1,277 GBP|Low: £1,088 GBP|High: £2,350 GBP|Avg: £1,487 GBP|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4£1,088 GBP
Retailer 5£1,171 GBP
Retailer 6£1,256 GBP
Retailer 1£1,277 GBP
Retailer 2£1,797 GBP
Retailer 3£2,316 GBP

41 data points across 6 retailers

13 retailers£1,088 GBP to £3,233 GBP

B+
Cheapest Retailer
-
£1,088 GBP
B+
Retailer 2
-
£1,113 GBP
View
B+
Retailer 3
-
£1,158 GBP
View
Retailer 4
-
£1,201 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,201 GBP
View
B+
Retailer 6
-
£1,225 GBP
View
B+
Retailer 7
-
£1,256 GBP
View
B+
Retailer 8
-
£1,256 GBP
View
B+
Retailer 9
-
£1,277 GBP
View
B+
Retailer 10
-
£1,386 GBP
View
B
Retailer 11
-
£1,797 GBP
View
B
Retailer 12
-
£2,316 GBP
View
Most Expensive
B
NZ Jewellers
8528e863-6b84-41cf-a0be-38b42f4d5bfc · Nov 5
£3,233 GBP
$4,352 USD
View
12 more retailers have this diamond
Prices start from £1,088 GBPSave up to £2,145 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 Round
£1,088 GBP