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Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7438016261

Certificate GIA 7438016261

Diamond specifications and retailer prices

From £2,045 GBP
As of November 4, 2026
Save £2,596 GBP (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,641 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7438016261. Listed at 21 retailers as of November 4, 2026, with prices from £2,045 to £4,641, a £2,596 spread on the same certified stone. NZ Jewellers lists it at £4,641. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.51°
Pavilion angle40.93°
OriginNatural
Grading LabGIA
CertificateGIA 7438016261
Dimensions8.09 × 6.09 × 4.25 mm
L/W Ratio1.33
Top View
8.09 mm6.09 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7438016261
Side View
Table 61.0%Crown 46.51°Girdle: THK-VTKPavilion 40.93°Culet: NoneDepth 69.7%

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 4
Current: £4,641 GBP|Low: £2,045 GBP|High: £4,700 GBP|Avg: £2,950 GBP
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 19£2,045 GBP
Retailer 3£2,098 GBP
Retailer 17£2,100 GBP
Retailer 8£2,134 GBP
Retailer 15£2,142 GBP
Retailer 11£2,148 GBP
Retailer 7£2,338 GBP
Retailer 10£2,413 GBP
Retailer 5£2,426 GBP
Retailer 18£2,506 GBP
Retailer 2£2,584 GBP
Retailer 4£2,644 GBP
Retailer 13£2,756 GBP
Retailer 6£2,784 GBP
Retailer 12£2,925 GBP
Retailer 14£3,251 GBP
Retailer 9£3,846 GBP
Retailer 16£4,442 GBP
NZ Jewellers£4,641 GBP

33 data points across 19 retailers

21 retailers£2,045 GBP to £4,641 GBP

A
Cheapest Retailer
-
£2,045 GBP
A
Retailer 2
-
£2,098 GBP
View
A
Retailer 3
-
£2,100 GBP
View
A
Retailer 4
-
£2,134 GBP
View
A
Retailer 5
-
£2,142 GBP
View
Retailer 6
-
£2,148 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
£2,210 GBP
View
A
Retailer 8
-
£2,338 GBP
View
B+
Retailer 9
-
£2,413 GBP
View
B+
Retailer 10
-
£2,426 GBP
View
B+
Retailer 11
-
£2,506 GBP
View
Retailer 12
-
£2,533 GBP
View
Price last confirmed 8 days ago
A
Retailer 13
-
£2,584 GBP
View
B+
Retailer 14
-
£2,644 GBP
View
A
Retailer 15
-
£2,756 GBP
View
B+
Retailer 16
-
£2,784 GBP
View
B+
Retailer 17
-
£2,925 GBP
View
B+
Retailer 18
-
£3,251 GBP
View
B
Retailer 19
-
£3,846 GBP
View
B
Retailer 20
-
£4,442 GBP
View
Most Expensive
B
NZ Jewellers
9ace773d-1f6b-4621-be2f-312a8e48e714 · Nov 5
£4,641 GBP
$6,212 USD
View
20 more retailers have this diamond
Prices start from £2,045 GBPSave up to £2,596 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
£2,045 GBP