Radiant|Natural|GIA

1.33ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 6565797316

Certificate GIA 6565797316

Diamond specifications and retailer prices

From £1,511 GBP
As of November 5, 2026
Save £2,930 GBP (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,441 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.33ct natural radiant diamond

This 1.33ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565797316. Listed at 12 retailers as of November 5, 2026, with prices from £1,511 to £4,441, a £2,930 spread on the same certified stone. NZ Jewellers lists it at £4,441. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565797316
Dimensions7.53 × 5.51 × 3.66 mm
L/W Ratio1.37
Girdle conditionPolished
Top View
7.53 mm5.51 mm1.33 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565797316
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.5%

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: Nov 5
Current: £4,441 GBP|Low: £1,511 GBP|High: £4,441 GBP|Avg: £2,365 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 9£1,511 GBP
Retailer 10£1,881 GBP
Retailer 4£1,960 GBP
Retailer 2£1,969 GBP
Retailer 3£2,077 GBP
Retailer 5£2,088 GBP
Retailer 6£2,094 GBP
Retailer 8£2,346 GBP
Retailer 7£2,508 GBP
Retailer 11£3,091 GBP
NZ Jewellers£4,441 GBP

4 data points across 11 retailers

12 retailers£1,511 GBP to £4,441 GBP

A
Cheapest Retailer
-
£1,511 GBP
A
Retailer 2
-
£1,804 GBP
View
A
Retailer 3
-
£1,881 GBP
View
A
Retailer 4
-
£1,960 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,969 GBP
View
A
Retailer 6
-
£2,077 GBP
View
A
Retailer 7
-
£2,088 GBP
View
A
Retailer 8
-
£2,094 GBP
View
A
Retailer 9
-
£2,346 GBP
View
A
Retailer 10
-
£2,508 GBP
View
B+
Retailer 11
-
£3,091 GBP
View
Most Expensive
B
NZ Jewellers
2cfb1902-aea5-4f41-b421-f7033bab3c13 · Nov 5
£4,441 GBP
$5,944 USD
View
11 more retailers have this diamond
Prices start from £1,511 GBPSave up to £2,930 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
1.33ct Radiant
£1,511 GBP