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Round|Natural|GIA

1.35ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 1509741710

Certificate GIA 1509741710

Diamond specifications and retailer prices

From £1,055 GBP
As of November 4, 2026
Save £2,429 GBP (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,484 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.35ct natural round diamond

This 1.35ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509741710. Listed at 17 retailers as of November 4, 2026, with prices from £1,055 to £3,484, a £2,429 spread on the same certified stone. NZ Jewellers lists it at £3,484. 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

1.35
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1509741710
Dimensions7.04 × 7.07 × 4.42 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Feather
Top View
7.04 mm7.07 mm1.35 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509741710
Side View
Table 59.0%Crown 34.5°Girdle: MED-MEDPavilion 41.6°Culet: NoneDepth 62.6%

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: £3,484 GBP|Low: £1,046 GBP|High: £3,484 GBP|Avg: £1,593 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£1,055 GBP
Retailer 3£1,068 GBP
Retailer 9£1,388 GBP
Retailer 2£1,423 GBP
Retailer 7£1,428 GBP
Retailer 8£1,428 GBP
Retailer 6£1,494 GBP
Retailer 10£1,648 GBP
Retailer 4£1,806 GBP
NZ Jewellers£3,484 GBP

41 data points across 10 retailers

17 retailers£1,055 GBP to £3,484 GBP

A
Cheapest Retailer
-
£1,055 GBP
A
Retailer 2
-
£1,068 GBP
View
B+
Retailer 3
-
£1,301 GBP
View
B+
Retailer 4
-
£1,388 GBP
View
A
Retailer 5
-
£1,423 GBP
View
Retailer 6
-
£1,428 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£1,428 GBP
View
Price last confirmed 29 days ago
B+
Retailer 8
-
£1,428 GBP
View
B+
Retailer 9
-
£1,494 GBP
View
Retailer 10
-
£1,494 GBP
View
Price last confirmed 38 days ago
B+
Retailer 11
-
£1,531 GBP
View
B+
Retailer 12
-
£1,564 GBP
View
Retailer 13
-
£1,648 GBP
View
Price last confirmed 38 days ago
B+
Retailer 14
-
£1,648 GBP
View
B+
Retailer 15
-
£1,806 GBP
View
Retailer 16
-
£3,484 GBP
View
Price last confirmed 39 days ago
Most Expensive
C
NZ Jewellers
f18ea2f2-9807-423a-937d-3c66ff2d743a · Nov 5
£3,484 GBP
$4,689 USD
View
16 more retailers have this diamond
Prices start from £1,055 GBPSave up to £2,429 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
1.35ct Round
£1,055 GBP