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Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 1558891252

Certificate GIA 1558891252

Diamond specifications and retailer prices

From £2,923 GBP
HK$30,600 HKD
As of October 31, 2026
Save £3,783 GBP (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,706 GBP at Queensmith · As of October 25, 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 1558891252. Listed at 20 retailers as of October 25, 2026, with prices from £2,923 to £6,706, a £3,783 spread on the same certified stone. Queensmith lists it at £6,706. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558891252
Dimensions8.79 × 6.42 × 4.08 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.79 mm6.42 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558891252
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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 31
Current: £6,706 GBP|Low: £2,904 GBP|High: £6,720 GBP|Avg: £4,386 GBP|+2.2%
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£2,923 GBP
Retailer 2£3,116 GBP
Retailer 10£3,386 GBP
Retailer 6£3,451 GBP
Retailer 9£3,603 GBP
Retailer 8£3,722 GBP
Retailer 16£3,794 GBP
Retailer 12£3,897 GBP
Retailer 3£3,904 GBP
Retailer 17£3,904 GBP
Retailer 18£3,904 GBP
Retailer 7£3,941 GBP
Retailer 4£4,018 GBP
Retailer 13£4,418 GBP
Retailer 14£4,505 GBP
Retailer 5£6,226 GBP
Retailer 15£6,530 GBP
Queensmith£6,706 GBP

23 data points across 18 retailers

20 retailers£2,923 GBP to £6,706 GBP

A
Cheapest Retailer
-
£2,923 GBP
HK$30,600 HKD
A
Retailer 2
-
£3,116 GBP
₹397,690 INR
View
A
Retailer 3
-
£3,386 GBP
SGD 6,131 SGD
View
A
Retailer 4
-
£3,451 GBP
$4,624 USD
View
A
Retailer 5
-
£3,520 GBP
$4,717 USD
View
A
Retailer 6
-
£3,603 GBP
$4,828 USD
View
Final sale: no returns
A
Retailer 7
-
£3,710 GBP
A$7,648 AUD
View
A
Retailer 8
-
£3,722 GBP
SGD 6,739 SGD
View
A
Retailer 9
-
£3,794 GBP
View
A
Retailer 10
-
£3,897 GBP
View
A
Retailer 11
-
£3,904 GBP
$5,231 USD
View
A
Retailer 12
-
£3,904 GBP
$5,231 USD
View
A
Retailer 13
-
£3,904 GBP
$5,231 USD
View
B+
Retailer 14
-
£3,941 GBP
$5,280 USD
View
B+
Retailer 15
-
£4,018 GBP
$5,384 USD
View
B+
Retailer 16
-
£4,418 GBP
€5,638 EUR
View
B+
Retailer 17
-
£4,505 GBP
$6,036 USD
View
B
Retailer 18
-
£6,226 GBP
View
B
Retailer 19
-
£6,530 GBP
$8,749 USD
View
Most Expensive
B
Queensmith
1558891252 · Oct 25
£6,706 GBP
View
19 more retailers have this diamond
Prices start from £2,923 GBPSave up to £3,783 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
£2,923 GBP