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Oval|Natural|GIA

1.50ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 2564034747

Certificate GIA 2564034747

Diamond specifications and retailer prices

From £3,804 GBP
As of November 6, 2026
Save £636 GBP (14%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,974 GBP at Blue Nile · As of October 29, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564034747. Listed at 5 retailers as of October 31, 2026, with a relatively tight 17% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564034747
Dimensions8.68 × 6.45 × 4.08 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural, Natural
Top View
8.68 mm6.45 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 2564034747
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £4,974 GBP|Low: £3,804 GBP|High: £5,115 GBP|Avg: £4,338 GBP|-2.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£3,804 GBP
Retailer 4£4,069 GBP
Retailer 5£4,238 GBP
Retailer 3£4,439 GBP
Blue Nile£4,974 GBP

46 data points across 5 retailers

5 retailers£3,804 GBP to £4,439 GBP

A
Cheapest Retailer
-
£3,804 GBP
Retailer 2
-
£4,069 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£4,238 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
£4,439 GBP
View
Most Expensive
Blue Nile
29980660 · Oct 29
£4,974 GBP
$6,658 USD
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from £3,804 GBPSave up to £636 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
£3,804 GBP