Oval|Natural|GIA

1.50ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 2554447852

Certificate GIA 2554447852

Diamond specifications and retailer prices

From £4,796 GBP
HK$50,200 HKD
As of November 1, 2026
Save £4,112 GBP (46%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £10,633 GBP at NZ Jewellers · As of September 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554447852. Listed at 27 retailers as of October 29, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.25°
Pavilion angle36.43°
OriginNatural
Grading LabGIA
CertificateGIA 2554447852
Dimensions8.67 × 6.20 × 4.03 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Feather, Cloud, Needle, Pinpoint
Top View
8.67 mm6.20 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554447852
Side View
Table 63.0%Crown 41.25°Girdle: THK-VTKPavilion 36.43°Culet: NoneDepth 64.9%

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: Nov 1
Current: £5,991 GBP|Low: £4,757 GBP|High: £8,967 GBP|Avg: £6,029 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 16£4,796 GBP
Retailer 6£4,889 GBP
Retailer 5£4,978 GBP
Retailer 14£5,036 GBP
Retailer 9£5,100 GBP
Retailer 2£5,314 GBP
Retailer 4£5,316 GBP
Retailer 7£5,409 GBP
Retailer 21£5,623 GBP
Retailer 11£5,663 GBP
Retailer 1£5,991 GBP
Retailer 12£6,004 GBP
Retailer 10£6,096 GBP
Retailer 20£6,100 GBP
Retailer 13£6,562 GBP
Retailer 8£6,652 GBP
Retailer 3£6,732 GBP
Retailer 17£6,948 GBP
Retailer 18£7,002 GBP
Retailer 15£7,810 GBP
Retailer 19£8,908 GBP

30 data points across 21 retailers

27 retailers£4,796 GBP to £8,908 GBP

A
Cheapest Retailer
-
£4,796 GBP
HK$50,200 HKD
B+
Retailer 2
-
£4,889 GBP
$6,551 USD
View
B+
Retailer 3
-
£4,978 GBP
$6,670 USD
View
B+
Retailer 4
-
£5,100 GBP
$6,833 USD
View
B+
Retailer 5
-
£5,314 GBP
$7,120 USD
View
B+
Retailer 6
-
£5,316 GBP
$7,123 USD
View
Final sale: no returns
B+
Retailer 7
-
£5,409 GBP
$7,248 USD
View
Retailer 8
-
£5,592 GBP
SGD 10,126 SGD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
£5,623 GBP
SGD 10,182 SGD
View
B+
Retailer 10
-
£5,663 GBP
$7,587 USD
View
Retailer 11
-
£5,762 GBP
$7,720 USD
View
Price last confirmed 34 days ago
B+
Retailer 12
-
£5,991 GBP
View
B+
Retailer 13
-
£6,004 GBP
View
B+
Retailer 14
-
£6,096 GBP
$8,168 USD
View
Retailer 15
-
£6,100 GBP
A$12,573 AUD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£6,302 GBP
$8,444 USD
View
Retailer 17
-
£6,357 GBP
$8,518 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
£6,392 GBP
$8,565 USD
View
Retailer 19
-
£6,455 GBP
$8,649 USD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
£6,562 GBP
$8,793 USD
View
B+
Retailer 21
-
£6,652 GBP
$8,913 USD
View
B+
Retailer 22
-
£6,732 GBP
$9,020 USD
View
B+
Retailer 23
-
£6,948 GBP
€8,866 EUR
View
Retailer 24
-
£7,336 GBP
$9,829 USD
View
Price last confirmed 33 days ago
B
Retailer 25
-
£7,810 GBP
ZAR 169,064 ZAR
View
B
Retailer 26
-
£8,908 GBP
View
Most Expensive
NZ Jewellers
cb6a3bf4-d8df-459a-a936-4fcebe5ad6e5 · Sep 30
£10,633 GBP
$14,247 USD
View
Price last confirmed 32 days ago
26 more retailers have this diamond
Prices start from £4,796 GBPSave up to £4,112 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
£4,796 GBP