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Round|Natural|GIA

1.26ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2378896565

Certificate GIA 2378896565

Diamond specifications and retailer prices

From £3,205 GBP
$4,294 USD
As of October 31, 2026
Save £1,079 GBP (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £4,284 GBP at Yorxs · As of October 31, 2026
View at Yorxs

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 GIA 2378896565. Listed at 4 retailers as of October 31, 2026, with prices from £3,205 to £4,284, a £1,079 spread on the same certified stone. Yorxs lists it at £4,284. 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
OriginNatural
Grading LabGIA
CertificateGIA 2378896565
Dimensions6.87 × 6.90 × 4.28 mm
L/W Ratio1.00
Top View
6.87 mm6.90 mm1.26 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2378896565
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,282 GBP|Low: £4,195 GBP|High: £4,309 GBP|Avg: £4,260 GBP|+1.8%
Retailer 1
Yorxs
October 31, 2026
Retailer 1£4,282 GBP
Yorxs£4,284 GBP

34 data points across 2 retailers

4 retailers£3,205 GBP to £4,284 GBP

B+
Cheapest Retailer
-
£3,205 GBP
$4,294 USD
B
Retailer 2
-
£4,075 GBP
$5,460 USD
View
B+
Retailer 3
-
£4,282 GBP
View
Most Expensive
B+
Yorxs
RD3678 · Oct 31
£4,284 GBP
€5,467 EUR
View
3 more retailers have this diamond
Prices start from £3,205 GBPSave up to £1,079 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.

B+
1.26ct Round
£3,205 GBP