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Round|Natural|GIA

1.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6555868760

Certificate GIA 6555868760

Diamond specifications and retailer prices

From £2,987 GBP
SGD 5,409 SGD
As of October 31, 2026
Save £3,195 GBP (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,182 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555868760. Listed at 10 retailers as of October 26, 2026, with prices from £2,987 to £6,182, a £3,195 spread on the same certified stone. Wholesale Diamonds Direct lists it at £6,182. 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

1.50
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555868760
Dimensions7.26 × 4.57 × 4.57 mm
L/W Ratio1.59
Culet sizeNone
Top View
7.26 mm4.57 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555868760
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: Oct 31
Current: £3,807 GBP|Low: £2,987 GBP|High: £6,872 GBP|Avg: £4,372 GBP|-8.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 2, 2026
Retailer 6£2,987 GBP
Retailer 4£3,593 GBP
Retailer 8£3,703 GBP
Retailer 1£3,807 GBP
Retailer 5£4,023 GBP
Retailer 7£4,249 GBP
Retailer 2£4,366 GBP
Retailer 3£4,370 GBP
Wholesale Diamonds Direct£6,182 GBP

42 data points across 9 retailers

10 retailers£2,987 GBP to £6,182 GBP

A
Cheapest Retailer
-
£2,987 GBP
SGD 5,409 SGD
A
Retailer 2
-
£3,593 GBP
$4,814 USD
View
A
Retailer 3
-
£3,703 GBP
SGD 6,705 SGD
View
A
Retailer 4
-
£3,807 GBP
View
A
Retailer 5
-
£4,023 GBP
$5,390 USD
View
A
Retailer 6
-
£4,249 GBP
$5,693 USD
View
A
Retailer 7
-
£4,366 GBP
€5,572 EUR
View
A
Retailer 8
-
£4,370 GBP
View
A
Retailer 9
-
£4,555 GBP
$6,103 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
466152468 · Oct 26
£6,182 GBP
$8,284 USD
View
9 more retailers have this diamond
Prices start from £2,987 GBPSave up to £3,195 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
1.50ct Round
£2,987 GBP