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Round|Natural|GIA

1.30ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1232537765

Certificate GIA 1232537765

Diamond specifications and retailer prices

From £3,507 GBP
As of November 4, 2026
Save £3,219 GBP (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,726 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1232537765. Listed at 14 retailers as of November 4, 2026, with prices from £3,507 to £6,726, a £3,219 spread on the same certified stone. NZ Jewellers lists it at £6,726. 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

1.30
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1232537765
Dimensions6.96 × 6.90 × 4.30 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity
Top View
6.96 mm6.90 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1232537765
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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 4
Current: £6,726 GBP|Low: £3,320 GBP|High: £6,726 GBP|Avg: £4,364 GBP|+2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4£3,468 GBP
Retailer 9£3,507 GBP
Retailer 2£3,527 GBP
Retailer 7£3,540 GBP
Retailer 10£3,712 GBP
Retailer 3£4,021 GBP
Retailer 8£4,021 GBP
Retailer 12£4,021 GBP
Retailer 5£4,520 GBP
Retailer 11£4,640 GBP
Retailer 6£6,387 GBP
NZ Jewellers£6,726 GBP

40 data points across 12 retailers

14 retailers£3,507 GBP to £6,726 GBP

A
Cheapest Retailer
-
£3,507 GBP
A
Retailer 2
-
£3,527 GBP
View
A
Retailer 3
-
£3,540 GBP
View
B+
Retailer 4
-
£3,712 GBP
View
Final sale: no returns
Retailer 5
-
£3,924 GBP
View
Price last confirmed 53 days ago
Retailer 6
-
£4,021 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£4,021 GBP
View
B+
Retailer 8
-
£4,021 GBP
View
B+
Retailer 9
-
£4,520 GBP
View
Retailer 10
-
£4,527 GBP
View
Price last confirmed 53 days ago
B+
Retailer 11
-
£4,640 GBP
View
B
Retailer 12
-
£6,387 GBP
View
Retailer 13
-
£6,562 GBP
View
Price last confirmed 52 days ago
Most Expensive
B
NZ Jewellers
2dcaa998-d0e5-4762-b500-0229638737b9 · Nov 5
£6,726 GBP
$9,052 USD
View
13 more retailers have this diamond
Prices start from £3,507 GBPSave up to £3,219 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
1.30ct Round
£3,507 GBP