Oval|Natural|GIA

1.50ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 7563102831

Certificate GIA 7563102831

Diamond specifications and retailer prices

From £4,070 GBP
As of November 6, 2026
Save £1,220 GBP (23%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,290 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7563102831. Listed at 7 retailers as of November 5, 2026, with prices from £4,070 to £5,290, a £1,220 spread on the same certified stone. Blue Nile lists it at £5,290. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7563102831
Dimensions8.75 × 6.35 × 4.11 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
8.75 mm6.35 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7563102831
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.7%

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: Nov 6
Current: £5,290 GBP|Low: £3,963 GBP|High: £5,385 GBP|Avg: £4,605 GBP|-1.8%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£4,070 GBP
Retailer 4£4,347 GBP
Retailer 5£4,522 GBP
Retailer 6£4,668 GBP
Retailer 3£4,687 GBP
Blue Nile£5,290 GBP

46 data points across 6 retailers

7 retailers£4,070 GBP to £5,290 GBP

A
Cheapest Retailer
-
£4,070 GBP
A
Retailer 2
-
£4,347 GBP
View
A
Retailer 3
-
£4,522 GBP
View
A
Retailer 4
-
£4,668 GBP
View
Final sale: no returns
A
Retailer 5
-
£4,687 GBP
View
B+
Retailer 6
-
£5,161 GBP
View
Most Expensive
B+
Blue Nile
30050781 · Nov 5
£5,290 GBP
$7,080 USD
View
6 more retailers have this diamond
Prices start from £4,070 GBPSave up to £1,220 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 Oval
£4,070 GBP