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Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 7548669833

Certificate GIA 7548669833

Diamond specifications and retailer prices

From £16,133 GBP
$21,617 USD
As of November 1, 2026
Save £3,632 GBP (18%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £19,765 GBP at Aurelinne · As of October 31, 2026
View at Aurelinne

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7548669833. Listed at 8 retailers as of October 31, 2026, with prices from £16,133 to £19,765, a £3,632 spread on the same certified stone. Aurelinne lists it at £19,765. 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

2.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7548669833
Dimensions8.65 × 5.40 × 5.40 mm
L/W Ratio1.60
Culet sizeNone
Top View
8.65 mm5.40 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548669833
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £16,133 GBP|Low: £10,712 GBP|High: £19,458 GBP|Avg: £14,894 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3£10,712 GBP
Retailer 9£12,478 GBP
Retailer 8£13,569 GBP
Retailer 13£13,583 GBP
Retailer 12£13,692 GBP
Retailer 10£15,671 GBP
Retailer 2£15,722 GBP
Retailer 1£16,133 GBP
Retailer 6£16,151 GBP
Retailer 11£16,182 GBP
Retailer 7£16,576 GBP
Retailer 5£16,763 GBP
Retailer 4£19,458 GBP

19 data points across 13 retailers

8 retailers£16,133 GBP to £19,765 GBP

Retailer 1
-
£12,478 GBP
SGD 22,593 SGD
Price last confirmed 27 days ago
A
Retailer 2
-
£16,133 GBP
$21,617 USD
View
A
Retailer 3
-
£16,151 GBP
$21,641 USD
View
Retailer 4
-
£16,182 GBP
$21,682 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
£16,576 GBP
CA$30,848 CAD
View
B+
Retailer 6
-
£16,763 GBP
$22,460 USD
View
B+
Retailer 7
-
£19,033 GBP
$25,502 USD
View
Most Expensive
B+
Aurelinne
1c8174fc-e631-4bd0-a278-0c7a355735a1 · Oct 31
£19,765 GBP
$26,483 USD
View
7 more retailers have this diamond
Prices start from £16,133 GBPSave up to £3,632 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
2.51ct Round
£16,133 GBP