Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6532912878

Certificate GIA 6532912878

Diamond specifications and retailer prices

From £6,218 GBP
$8,331 USD
As of October 30, 2026
Save £5,565 GBP (47%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £11,783 GBP at NZ Jewellers · As of October 30, 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 D 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 6532912878. Listed at 25 retailers as of October 30, 2026, with prices from £6,218 to £11,783, a £5,565 spread on the same certified stone. NZ Jewellers lists it at £11,783. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6532912878
Dimensions8.78 × 6.33 × 4.10 mm
L/W Ratio1.39
Top View
8.78 mm6.33 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6532912878
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £11,783 GBP|Low: £6,218 GBP|High: £11,783 GBP|Avg: £8,416 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
October 31, 2026
Retailer 13£6,218 GBP
Retailer 14£6,619 GBP
Retailer 11£6,804 GBP
Retailer 4£7,659 GBP
Retailer 2£7,739 GBP
Retailer 9£7,778 GBP
Retailer 5£7,862 GBP
Retailer 12£7,871 GBP
Retailer 3£8,307 GBP
Retailer 6£8,307 GBP
Retailer 7£8,908 GBP
Retailer 10£10,262 GBP
Retailer 8£11,101 GBP
NZ Jewellers£11,783 GBP

42 data points across 14 retailers

25 retailers£6,218 GBP to £11,783 GBP

B+
Cheapest Retailer
-
£6,218 GBP
$8,331 USD
B+
Retailer 2
-
£6,540 GBP
$8,763 USD
View
B+
Retailer 3
-
£6,619 GBP
$8,869 USD
View
B+
Retailer 4
-
£6,730 GBP
$9,017 USD
View
B+
Retailer 5
-
£6,801 GBP
CA$12,656 CAD
View
B+
Retailer 6
-
£6,804 GBP
$9,116 USD
View
Final sale: no returns
B+
Retailer 7
-
£7,004 GBP
$9,385 USD
View
B+
Retailer 8
-
£7,070 GBP
$9,473 USD
View
B+
Retailer 9
-
£7,659 GBP
$10,262 USD
View
B+
Retailer 10
-
£7,739 GBP
View
B+
Retailer 11
-
£7,777 GBP
$10,420 USD
View
Retailer 12
-
£7,778 GBP
A$16,033 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£7,862 GBP
$10,534 USD
View
B+
Retailer 14
-
£7,871 GBP
$10,546 USD
View
B
Retailer 15
-
£8,152 GBP
$10,923 USD
View
B
Retailer 16
-
£8,307 GBP
$11,130 USD
View
B
Retailer 17
-
£8,307 GBP
$11,130 USD
View
B
Retailer 18
-
£8,590 GBP
$11,510 USD
View
B
Retailer 19
-
£8,596 GBP
$11,518 USD
View
B
Retailer 20
-
£8,837 GBP
$11,841 USD
View
B
Retailer 21
-
£8,908 GBP
€11,368 EUR
View
B
Retailer 22
-
£9,051 GBP
$12,128 USD
View
Retailer 23
-
£10,262 GBP
ZAR 222,130 ZAR
View
Price last confirmed 14 days ago
B
Retailer 24
-
£11,101 GBP
View
Most Expensive
B
NZ Jewellers
841182a5-dc27-46c6-9607-000e2dfa2f1b · Oct 30
£11,783 GBP
$15,788 USD
View
24 more retailers have this diamond
Prices start from £6,218 GBPSave up to £5,565 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.

B+
1.50ct Oval
£6,218 GBP