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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

VG • D/SI1 • GIA 6552546080

Certificate GIA 6552546080

Diamond specifications and retailer prices

From £6,257 GBP
HK$65,500 HKD
As of October 30, 2026
Save £5,774 GBP (48%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £12,032 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 6552546080. Listed at 25 retailers as of October 30, 2026, with prices from £6,257 to £12,032, a £5,774 spread on the same certified stone. With Clarity lists it at £12,032. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.23°
Pavilion angle33.59°
OriginNatural
Grading LabGIA
CertificateGIA 6552546080
Dimensions9.89 × 6.29 × 3.55 mm
L/W Ratio1.57
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.89 mm6.29 mm1.50 ctD / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552546080
Side View
Table 64.0%Crown 33.23°Girdle: THK-VTKPavilion 33.59°Culet: NoneDepth 56.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £10,693 GBP|Low: £6,404 GBP|High: £10,806 GBP|Avg: £7,988 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6£6,421 GBP
Retailer 8£7,196 GBP
Retailer 10£7,267 GBP
Retailer 4£7,491 GBP
Retailer 9£7,527 GBP
Retailer 2£7,556 GBP
Retailer 3£7,660 GBP
Retailer 7£8,627 GBP
Retailer 5£10,058 GBP
Retailer 1£10,693 GBP

25 data points across 10 retailers

25 retailers£6,257 GBP to £12,032 GBP

B+
Cheapest Retailer
-
£6,257 GBP
HK$65,500 HKD
B+
Retailer 2
-
£6,421 GBP
₹819,314 INR
View
Retailer 3
-
£6,926 GBP
SGD 12,540 SGD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
£7,012 GBP
$9,395 USD
View
B+
Retailer 5
-
£7,196 GBP
$9,642 USD
View
B+
Retailer 6
-
£7,217 GBP
$9,670 USD
View
B+
Retailer 7
-
£7,267 GBP
SGD 13,158 SGD
View
B
Retailer 8
-
£7,474 GBP
$10,015 USD
View
B+
Retailer 9
-
£7,491 GBP
View
Retailer 10
-
£7,527 GBP
A$15,517 AUD
View
Price last confirmed 8 days ago
B
Retailer 11
-
£7,556 GBP
$10,124 USD
View
Final sale: no returns
B
Retailer 12
-
£7,557 GBP
$10,126 USD
View
B+
Retailer 13
-
£7,660 GBP
View
B
Retailer 14
-
£8,170 GBP
$10,948 USD
View
B
Retailer 15
-
£8,186 GBP
$10,969 USD
View
B
Retailer 16
-
£8,313 GBP
$11,138 USD
View
B
Retailer 17
-
£8,377 GBP
$11,225 USD
View
B
Retailer 18
-
£8,382 GBP
$11,231 USD
View
B
Retailer 19
-
£8,596 GBP
$11,518 USD
View
B
Retailer 20
-
£8,627 GBP
€11,009 EUR
View
B
Retailer 21
-
£9,446 GBP
$12,657 USD
View
B
Retailer 22
-
£10,058 GBP
ZAR 217,712 ZAR
View
B
Retailer 23
-
£10,693 GBP
View
B
Retailer 24
-
£11,411 GBP
$15,289 USD
View
Most Expensive
B
With Clarity
6552546080 · Oct 30
£12,032 GBP
$16,121 USD
View
24 more retailers have this diamond
Prices start from £6,257 GBPSave up to £5,774 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
£6,257 GBP