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Round|Natural|GIA

1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7551285934

Certificate GIA 7551285934

Diamond specifications and retailer prices

From £1,265 GBP
As of November 4, 2026
Save £2,209 GBP (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,473 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551285934. Listed at 14 retailers as of November 4, 2026, with prices from £1,265 to £3,473, a £2,209 spread on the same certified stone. NZ Jewellers lists it at £3,473. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7551285934
Dimensions6.93 × 6.88 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.93 mm6.88 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551285934
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,473 GBP|Low: £1,265 GBP|High: £3,742 GBP|Avg: £1,853 GBP|-7.2%
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
November 6, 2026
Retailer 10£1,265 GBP
Retailer 5£1,372 GBP
Retailer 12£1,389 GBP
Retailer 4£1,401 GBP
Retailer 13£1,409 GBP
Retailer 14£1,505 GBP
Retailer 6£1,519 GBP
Retailer 9£1,575 GBP
Retailer 3£1,623 GBP
Retailer 11£1,737 GBP
Retailer 2£1,795 GBP
Retailer 7£2,115 GBP
Retailer 8£2,903 GBP
NZ Jewellers£3,473 GBP

33 data points across 14 retailers

14 retailers£1,265 GBP to £3,473 GBP

A
Cheapest Retailer
-
£1,265 GBP
A
Retailer 2
-
£1,372 GBP
View
A
Retailer 3
-
£1,389 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,401 GBP
View
A
Retailer 5
-
£1,409 GBP
View
A
Retailer 6
-
£1,505 GBP
View
Retailer 7
-
£1,519 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£1,575 GBP
View
A
Retailer 9
-
£1,623 GBP
View
A
Retailer 10
-
£1,737 GBP
View
A
Retailer 11
-
£1,795 GBP
View
B+
Retailer 12
-
£2,115 GBP
View
B
Retailer 13
-
£2,903 GBP
View
Most Expensive
B
NZ Jewellers
0b48020f-87f4-4926-a40e-2acf5ca38a11 · Nov 5
£3,473 GBP
$4,675 USD
View
13 more retailers have this diamond
Prices start from £1,265 GBPSave up to £2,209 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
£1,265 GBP