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Round|Natural|GIA

1.24ct H SI1 Round Natural Diamond

GD • H/SI1 • GIA 1236302052

Certificate GIA 1236302052

Diamond specifications and retailer prices

From £2,571 GBP
As of November 6, 2026
Save £1,218 GBP (32%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,789 GBP at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 1236302052. Listed at 9 retailers as of November 6, 2026, with prices from £2,571 to £3,789, a £1,218 spread on the same certified stone. 77 Diamonds lists it at £3,789. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.24
Carat
H
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1236302052
Dimensions6.86 × 6.82 × 4.29 mm
L/W Ratio1.01
Top View
6.86 mm6.82 mm1.24 ctH / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1236302052
Side View
Table 56.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,789 GBP|Low: £2,571 GBP|High: £3,852 GBP|Avg: £3,248 GBP|+0.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 5£2,571 GBP
Retailer 3£2,600 GBP
Retailer 4£3,228 GBP
Retailer 2£3,555 GBP
77 Diamonds£3,789 GBP

39 data points across 5 retailers

9 retailers£2,571 GBP to £3,789 GBP

B
Cheapest Retailer
-
£2,571 GBP
B
Retailer 2
-
£2,579 GBP
View
B
Retailer 3
-
£2,600 GBP
View
B
Retailer 4
-
£3,228 GBP
View
B
Retailer 5
-
£3,422 GBP
View
B
Retailer 6
-
£3,422 GBP
View
C
Retailer 7
-
£3,541 GBP
View
B
Retailer 8
-
£3,555 GBP
View
Most Expensive
B
77 Diamonds
RBMBF28VRNKM · Nov 7
£3,789 GBP
View
8 more retailers have this diamond
Prices start from £2,571 GBPSave up to £1,218 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
1.24ct Round
£2,571 GBP