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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7551748384

Certificate GIA 7551748384

Diamond specifications and retailer prices

From £5,866 GBP
HK$61,400 HKD
As of October 30, 2026
Save £5,390 GBP (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £11,255 GBP at With Clarity · As of October 30, 2026
View at With Clarity

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 7551748384. Listed at 24 retailers as of October 30, 2026, with prices from £5,866 to £11,255, a £5,390 spread on the same certified stone. With Clarity lists it at £11,255. 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
FluorescenceNone
Crown angle41.85°
Pavilion angle34.73°
OriginNatural
Grading LabGIA
CertificateGIA 7551748384
Dimensions8.75 × 6.25 × 3.90 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
8.75 mm6.25 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551748384
Side View
Table 63.0%Crown 41.85°Girdle: MED-VTKPavilion 34.73°Culet: NoneDepth 62.5%

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: Oct 30
Current: £9,401 GBP|Low: £5,993 GBP|High: £10,114 GBP|Avg: £7,656 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4£6,008 GBP
Retailer 11£6,745 GBP
Retailer 2£6,798 GBP
Retailer 5£6,995 GBP
Retailer 9£7,027 GBP
Retailer 3£7,063 GBP
Retailer 7£7,181 GBP
Retailer 6£8,063 GBP
Retailer 10£8,763 GBP
Retailer 1£9,401 GBP
Retailer 8£10,047 GBP

22 data points across 11 retailers

24 retailers£5,866 GBP to £11,255 GBP

A
Cheapest Retailer
-
£5,866 GBP
HK$61,400 HKD
A
Retailer 2
-
£6,008 GBP
₹766,694 INR
View
Retailer 3
-
£6,486 GBP
SGD 11,744 SGD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
£6,613 GBP
$8,861 USD
View
B+
Retailer 5
-
£6,745 GBP
$9,037 USD
View
B+
Retailer 6
-
£6,792 GBP
$9,100 USD
View
B+
Retailer 7
-
£6,798 GBP
SGD 12,309 SGD
View
B+
Retailer 8
-
£6,995 GBP
View
B+
Retailer 9
-
£6,997 GBP
$9,375 USD
View
Retailer 10
-
£7,027 GBP
A$14,485 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£7,063 GBP
$9,463 USD
View
Final sale: no returns
B+
Retailer 12
-
£7,063 GBP
$9,464 USD
View
B+
Retailer 13
-
£7,181 GBP
View
B+
Retailer 14
-
£7,644 GBP
$10,242 USD
View
B+
Retailer 15
-
£7,652 GBP
$10,253 USD
View
B+
Retailer 16
-
£7,769 GBP
$10,410 USD
View
B+
Retailer 17
-
£7,827 GBP
$10,487 USD
View
B+
Retailer 18
-
£8,042 GBP
$10,775 USD
View
B+
Retailer 19
-
£8,063 GBP
€10,289 EUR
View
B
Retailer 20
-
£8,829 GBP
$11,830 USD
View
B
Retailer 21
-
£9,401 GBP
ZAR 203,487 ZAR
View
B
Retailer 22
-
£10,047 GBP
View
B
Retailer 23
-
£10,665 GBP
$14,290 USD
View
Most Expensive
B
With Clarity
7551748384 · Oct 30
£11,255 GBP
$15,081 USD
View
23 more retailers have this diamond
Prices start from £5,866 GBPSave up to £5,390 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
£5,866 GBP