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Oval|Natural|GIA

1.50ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 1527991653

Certificate GIA 1527991653

Diamond specifications and retailer prices

From £1,807 GBP
As of November 6, 2026
Save £2,276 GBP (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,083 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1527991653. Listed at 16 retailers as of November 5, 2026, with prices from £1,807 to £4,083, a £2,276 spread on the same certified stone. NZ Jewellers lists it at £4,083. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1527991653
Dimensions8.83 × 6.30 × 4.04 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Indented Natural, Needle, Natural
Top View
8.83 mm6.30 mm1.50 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1527991653
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £4,083 GBP|Low: £1,788 GBP|High: £4,212 GBP|Avg: £2,634 GBP|-3.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 14£1,807 GBP
Retailer 11£1,887 GBP
Retailer 2£1,907 GBP
Retailer 8£2,335 GBP
Retailer 4£2,344 GBP
Retailer 15£2,344 GBP
Retailer 10£2,410 GBP
Retailer 7£2,433 GBP
Retailer 3£2,450 GBP
Retailer 9£2,507 GBP
Retailer 5£2,533 GBP
Retailer 6£2,704 GBP
Retailer 13£2,742 GBP
Retailer 12£3,908 GBP
NZ Jewellers£4,083 GBP

24 data points across 15 retailers

16 retailers£1,807 GBP to £4,083 GBP

A
Cheapest Retailer
-
£1,807 GBP
A
Retailer 2
-
£1,887 GBP
View
A
Retailer 3
-
£1,907 GBP
View
B+
Retailer 4
-
£2,297 GBP
View
A
Retailer 5
-
£2,335 GBP
View
Retailer 6
-
£2,344 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£2,344 GBP
View
A
Retailer 8
-
£2,410 GBP
View
A
Retailer 9
-
£2,433 GBP
View
A
Retailer 10
-
£2,450 GBP
View
A
Retailer 11
-
£2,507 GBP
View
A
Retailer 12
-
£2,533 GBP
View
A
Retailer 13
-
£2,704 GBP
View
A
Retailer 14
-
£2,742 GBP
View
B
Retailer 15
-
£3,908 GBP
View
Most Expensive
B
NZ Jewellers
3f6281e7-5b4a-42f3-bd01-5fa1fbb2067a · Nov 5
£4,083 GBP
$5,465 USD
View
15 more retailers have this diamond
Prices start from £1,807 GBPSave up to £2,276 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
£1,807 GBP