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Round|Natural|GIA

1.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 5553372756

Certificate GIA 5553372756

Diamond specifications and retailer prices

From £3,451 GBP
SGD 6,211 SGD
As of October 29, 2026
Save £2,747 GBP (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £6,198 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553372756. Listed at 9 retailers as of October 26, 2026, with prices from £3,451 to £6,198, a £2,747 spread on the same certified stone. Wholesale Diamonds Direct lists it at £6,198. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553372756
Dimensions7.24 × 7.29 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.24 mm7.29 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553372756
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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 29
Current: £3,803 GBP|Low: £3,451 GBP|High: £6,691 GBP|Avg: £4,462 GBP|-6.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 29, 2026
Retailer 5£3,451 GBP
Retailer 3£3,589 GBP
Retailer 7£3,699 GBP
Retailer 1£3,803 GBP
Retailer 6£4,247 GBP
Retailer 2£4,359 GBP
Retailer 4£4,368 GBP
Wholesale Diamonds Direct£6,198 GBP

42 data points across 8 retailers

9 retailers£3,451 GBP to £6,198 GBP

A
Cheapest Retailer
-
£3,451 GBP
SGD 6,211 SGD
A
Retailer 2
-
£3,589 GBP
$4,779 USD
View
A
Retailer 3
-
£3,699 GBP
SGD 6,656 SGD
View
A
Retailer 4
-
£3,803 GBP
View
A
Retailer 5
-
£4,247 GBP
$5,656 USD
View
A
Retailer 6
-
£4,359 GBP
€5,528 EUR
View
A
Retailer 7
-
£4,368 GBP
View
A
Retailer 8
-
£4,460 GBP
$5,939 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
348860571 · Oct 26
£6,198 GBP
$8,254 USD
View
8 more retailers have this diamond
Prices start from £3,451 GBPSave up to £2,747 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
£3,451 GBP