Oval|Natural|GIA

1.30ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7562621133

Certificate GIA 7562621133

Diamond specifications and retailer prices

From £1,511 GBP
As of November 6, 2026
Save £2,924 GBP (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,435 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 7562621133. Listed at 16 retailers as of November 5, 2026, with prices from £1,511 to £4,435, a £2,924 spread on the same certified stone. NZ Jewellers lists it at £4,435. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7562621133
Dimensions8.38 × 5.97 × 3.82 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.38 mm5.97 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7562621133
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.9%

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 6
Current: £4,435 GBP|Low: £1,491 GBP|High: £4,471 GBP|Avg: £2,431 GBP|-0.8%
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
Retailer 15
November 6, 2026
Retailer 4£1,511 GBP
Retailer 14£1,885 GBP
Retailer 13£1,958 GBP
Retailer 10£1,979 GBP
Retailer 7£2,014 GBP
Retailer 2£2,058 GBP
Retailer 3£2,077 GBP
Retailer 5£2,087 GBP
Retailer 8£2,106 GBP
Retailer 6£2,294 GBP
Retailer 9£2,496 GBP
Retailer 11£2,589 GBP
Retailer 15£3,077 GBP
Retailer 12£3,706 GBP
NZ Jewellers£4,435 GBP

15 data points across 15 retailers

16 retailers£1,511 GBP to £4,435 GBP

A
Cheapest Retailer
-
£1,511 GBP
A
Retailer 2
-
£1,647 GBP
View
A
Retailer 3
-
£1,885 GBP
View
B+
Retailer 4
-
£1,958 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,979 GBP
View
B+
Retailer 6
-
£2,014 GBP
View
B+
Retailer 7
-
£2,058 GBP
View
B+
Retailer 8
-
£2,077 GBP
View
B+
Retailer 9
-
£2,087 GBP
View
B+
Retailer 10
-
£2,106 GBP
View
B+
Retailer 11
-
£2,294 GBP
View
B+
Retailer 12
-
£2,496 GBP
View
B+
Retailer 13
-
£2,589 GBP
View
B
Retailer 14
-
£3,077 GBP
View
B
Retailer 15
-
£3,706 GBP
View
Most Expensive
B
NZ Jewellers
0d3517e9-4784-42a0-bb5c-d05cf41ad4f3 · Nov 5
£4,435 GBP
$5,936 USD
View
15 more retailers have this diamond
Prices start from £1,511 GBPSave up to £2,924 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 Oval
£1,511 GBP