CaratHunter
Plans
Round|Natural|GIA

1.33ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2494851182

Certificate GIA 2494851182

Diamond specifications and retailer prices

From £1,998 GBP
As of November 4, 2026
Save £2,528 GBP (56%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,526 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.33ct natural round diamond

This 1.33ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2494851182. Listed at 5 retailers as of November 4, 2026, with prices from £1,998 to £4,526, a £2,528 spread on the same certified stone. NZ Jewellers lists it at £4,526. 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

1.33
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2494851182
Dimensions6.99 × 7.02 × 4.41 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.99 mm7.02 mm1.33 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2494851182
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: £4,526 GBP|Low: £1,998 GBP|High: £4,526 GBP|Avg: £3,033 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£1,998 GBP
Retailer 5£2,092 GBP
Retailer 2£2,393 GBP
Retailer 3£3,610 GBP
NZ Jewellers£4,526 GBP

20 data points across 5 retailers

5 retailers£1,998 GBP to £4,526 GBP

B+
Cheapest Retailer
-
£1,998 GBP
Final sale: no returns
B+
Retailer 2
-
£2,092 GBP
View
B+
Retailer 3
-
£2,393 GBP
View
B
Retailer 4
-
£3,610 GBP
View
Most Expensive
B
NZ Jewellers
fe7e8739-efb6-475d-a2bf-5c55b5505f55 · Nov 5
£4,526 GBP
$6,091 USD
View
4 more retailers have this diamond
Prices start from £1,998 GBPSave up to £2,528 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+
1.33ct Round
£1,998 GBP