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Oval|Natural|GIA

1.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 5523685084

Certificate GIA 5523685084

Diamond specifications and retailer prices

From £5,010 GBP
$6,713 USD
As of October 30, 2026
Save £5,692 GBP (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £10,702 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5523685084. Listed at 19 retailers as of October 30, 2026, with prices from £5,010 to £10,702, a £5,692 spread on the same certified stone. NZ Jewellers lists it at £10,702. 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

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.45°
Pavilion angle39.69°
OriginNatural
Grading LabGIA
CertificateGIA 5523685084
Dimensions8.96 × 6.47 × 3.99 mm
L/W Ratio1.38
Top View
8.96 mm6.47 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5523685084
Side View
Table 60.0%Crown 39.45°Girdle: MED-THKPavilion 39.69°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £5,948 GBP|Low: £5,010 GBP|High: £9,025 GBP|Avg: £6,504 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4£5,010 GBP
Retailer 6£5,351 GBP
Retailer 8£5,700 GBP
Retailer 5£5,797 GBP
Retailer 1£5,948 GBP
Retailer 3£6,981 GBP
Retailer 7£7,628 GBP
Retailer 2£8,966 GBP

40 data points across 8 retailers

19 retailers£5,010 GBP to £10,702 GBP

A
Cheapest Retailer
-
£5,010 GBP
$6,713 USD
A
Retailer 2
-
£5,351 GBP
$7,170 USD
View
A
Retailer 3
-
£5,396 GBP
$7,230 USD
View
B+
Retailer 4
-
£5,700 GBP
$7,637 USD
View
Retailer 5
-
£5,797 GBP
$7,767 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
£5,797 GBP
$7,767 USD
View
B+
Retailer 7
-
£5,886 GBP
$7,887 USD
View
A
Retailer 8
-
£5,948 GBP
View
Retailer 9
-
£6,689 GBP
$8,962 USD
View
Price last confirmed 60 days ago
Retailer 10
-
£6,689 GBP
$8,962 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
£6,689 GBP
$8,962 USD
View
B+
Retailer 12
-
£6,717 GBP
$9,000 USD
View
B+
Retailer 13
-
£6,717 GBP
$9,000 USD
View
B+
Retailer 14
-
£6,941 GBP
$9,300 USD
View
B+
Retailer 15
-
£6,981 GBP
€8,908 EUR
View
B
Retailer 16
-
£8,966 GBP
View
Retailer 17
-
£10,702 GBP
$14,340 USD
View
Price last confirmed 61 days ago
Retailer 18
-
£10,702 GBP
$14,340 USD
View
Price last confirmed 33 days ago
Most Expensive
B
NZ Jewellers
7d405e4f-bf1f-46b4-b4d2-295327d99e14 · Oct 30
£10,702 GBP
$14,340 USD
View
18 more retailers have this diamond
Prices start from £5,010 GBPSave up to £5,692 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
1.51ct Oval
£5,010 GBP