Round|Natural|GIA

1.25ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6561704702

Certificate GIA 6561704702

Diamond specifications and retailer prices

From £1,409 GBP
As of November 4, 2026
Save £1,783 GBP (56%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,193 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561704702. Listed at 4 retailers as of November 4, 2026, with prices from £1,409 to £3,193, a £1,783 spread on the same certified stone. NZ Jewellers lists it at £3,193. 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

1.25
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561704702
Dimensions6.82 × 6.86 × 4.29 mm
L/W Ratio1.01
Star length50%
Key to symbols
Feather, Crystal, Needle
Top View
6.82 mm6.86 mm1.25 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561704702
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £3,193 GBP|Low: £1,409 GBP|High: £3,193 GBP|Avg: £1,994 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£1,409 GBP
Retailer 2£1,481 GBP
Retailer 3£1,960 GBP
NZ Jewellers£3,193 GBP

10 data points across 4 retailers

4 retailers£1,409 GBP to £3,193 GBP

B+
Cheapest Retailer
-
£1,409 GBP
Final sale: no returns
B+
Retailer 2
-
£1,481 GBP
View
B
Retailer 3
-
£1,960 GBP
View
Most Expensive
C
NZ Jewellers
eed55c2a-ab2d-455a-9e71-6680d13e1468 · Nov 5
£3,193 GBP
$4,297 USD
View
3 more retailers have this diamond
Prices start from £1,409 GBPSave up to £1,783 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+
1.25ct Round
£1,409 GBP