Round|Natural|IGI

1.26ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 799695538

Shape and cutting style on the report: Round brilliant

Certificate IGI 799695538

Diamond specifications and retailer prices

From £2,129 GBP
€2,717 EUR
As of October 29, 2026
Save £869 GBP (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,559 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.26ct natural round diamond

This 1.26ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 799695538. Listed at 6 retailers as of October 29, 2026, with a 41% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.26
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 799695538
Dimensions6.92 × 6.94 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.92 mm6.94 mm1.26 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 799695538
Side View
Table 53.0%Crown 33.8°Girdle: MED-STKPavilion 40.4°CuletDepth 61.7%

Caratlytics Score

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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: Oct 29
Current: £2,129 GBP|Low: £2,051 GBP|High: £3,018 GBP|Avg: £2,545 GBP|+3.8%
Retailer 1
Retailer 2
Retailer 3
October 29, 2026
Retailer 1£2,129 GBP
Retailer 3£2,594 GBP
Retailer 2£2,998 GBP

24 data points across 3 retailers

6 retailers£2,129 GBP to £2,998 GBP

Retailer 1
-
£1,702 GBP
$2,280 USD
Price last confirmed 29 days ago
Retailer 2
-
£1,781 GBP
$2,386 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
£2,129 GBP
€2,717 EUR
View
B+
Retailer 4
-
£2,594 GBP
€3,310 EUR
View
B+
Retailer 5
-
£2,998 GBP
View
Most Expensive
NZ Jewellers
2c7d4e33-c946-4dcf-9503-aac88a87f02f · Sep 28
£3,559 GBP
$4,768 USD
View
Price last confirmed 32 days ago
5 more retailers have this diamond
Prices start from £2,129 GBPSave up to £869 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
1.26ct Round
£2,129 GBP