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Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6531148227

Certificate GIA 6531148227

Diamond specifications and retailer prices

From £2,961 GBP
HK$31,000 HKD
As of October 31, 2026
Save £3,735 GBP (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,696 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6531148227. Listed at 22 retailers as of October 28, 2026, with prices from £2,961 to £6,696, a £3,735 spread on the same certified stone. Queensmith lists it at £6,696. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531148227
Dimensions8.88 × 6.36 × 4.05 mm
L/W Ratio1.40
Top View
8.88 mm6.36 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531148227
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.7%

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 31
Current: £6,696 GBP|Low: £2,933 GBP|High: £6,758 GBP|Avg: £4,235 GBP|+1.9%
Queensmith
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
October 31, 2026
Retailer 11£2,961 GBP
Retailer 2£3,150 GBP
Retailer 4£3,420 GBP
Retailer 10£3,499 GBP
Retailer 7£3,568 GBP
Retailer 14£3,757 GBP
Retailer 6£3,763 GBP
Retailer 12£3,859 GBP
Retailer 8£3,866 GBP
Retailer 9£3,866 GBP
Retailer 18£3,866 GBP
Retailer 16£3,980 GBP
Retailer 17£4,076 GBP
Retailer 13£4,375 GBP
Retailer 5£4,461 GBP
Retailer 15£6,190 GBP
Retailer 3£6,466 GBP
Queensmith£6,696 GBP

20 data points across 18 retailers

22 retailers£2,961 GBP to £6,696 GBP

A
Cheapest Retailer
-
£2,961 GBP
HK$31,000 HKD
A
Retailer 2
-
£3,150 GBP
₹401,964 INR
View
A
Retailer 3
-
£3,420 GBP
$4,582 USD
View
A
Retailer 4
-
£3,499 GBP
SGD 6,336 SGD
View
A
Retailer 5
-
£3,568 GBP
$4,781 USD
View
Final sale: no returns
A
Retailer 6
-
£3,638 GBP
$4,874 USD
View
A
Retailer 7
-
£3,757 GBP
View
A
Retailer 8
-
£3,763 GBP
SGD 6,814 SGD
View
A
Retailer 9
-
£3,859 GBP
View
B+
Retailer 10
-
£3,866 GBP
$5,180 USD
View
B+
Retailer 11
-
£3,866 GBP
$5,180 USD
View
A
Retailer 12
-
£3,866 GBP
$5,180 USD
View
Retailer 13
-
£3,908 GBP
$5,236 USD
View
Price last confirmed 15 days ago
A
Retailer 14
-
£3,980 GBP
$5,333 USD
View
B+
Retailer 15
-
£4,076 GBP
$5,461 USD
View
B+
Retailer 16
-
£4,375 GBP
€5,583 EUR
View
B+
Retailer 17
-
£4,461 GBP
$5,977 USD
View
Retailer 18
-
£4,485 GBP
$6,010 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
£6,190 GBP
View
B
Retailer 20
-
£6,466 GBP
$8,664 USD
View
Retailer 21
-
£6,501 GBP
$8,711 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
6531148227 · Oct 28
£6,696 GBP
View
21 more retailers have this diamond
Prices start from £2,961 GBPSave up to £3,735 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
£2,961 GBP