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5.50ct L SI1 Round Natural Diamond

L/SI1 • GIA 1242082358

Shape and cutting style on the report: Old miner

Certificate GIA 1242082358

Diamond specifications and retailer prices

From £42,068 GBP
As of November 4, 2026
Save £12,762 GBP (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £54,830 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 5.5ct natural round diamond

This 5.5ct natural round sits in the over five carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 1242082358. Listed at 3 retailers as of November 4, 2026, with prices from £42,068 to £54,830, a £12,762 spread on the same certified stone. Reve Diamonds lists it at £54,830. 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

5.50
Carat
L
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242082358
Dimensions12.72 × 8.70 × 5.76 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle, Natural
Top View
12.72 mm8.70 mm5.50 ctL / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1242082358
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.2%

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 4
Current: £53,790 GBP|Low: £42,068 GBP|High: £54,830 GBP|Avg: £50,536 GBP|+0.2%
Retailer 1
Retailer 2
Reve Diamonds
November 6, 2026
Retailer 2£42,068 GBP
Retailer 1£53,790 GBP
Reve Diamonds£54,830 GBP

10 data points across 3 retailers

3 retailers£42,068 GBP to £54,830 GBP

B
Cheapest Retailer
-
£42,068 GBP
C
Retailer 2
-
£53,790 GBP
View
Most Expensive
C
Reve Diamonds
AD1ADC3F9 · Nov 6
£54,830 GBP
$73,797 USD
View
2 more retailers have this diamond
Prices start from £42,068 GBPSave up to £12,762 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
5.50ct Round
£42,068 GBP