Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 7541082818

Certificate GIA 7541082818

Diamond specifications and retailer prices

From £5,706 GBP
$7,657 USD
As of October 27, 2026
Save £6,556 GBP (53%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £12,262 GBP at NZ Jewellers · As of October 27, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541082818. Listed at 26 retailers as of October 27, 2026, with prices from £5,706 to £12,262, a £6,556 spread on the same certified stone. NZ Jewellers lists it at £12,262. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.22°
Pavilion angle34.68°
OriginNatural
Grading LabGIA
CertificateGIA 7541082818
Dimensions10.05 × 6.18 × 3.51 mm
L/W Ratio1.63
Girdle conditionVery Thick
Key to symbols
Etch Channel, Cavity, Cloud, Needle
Top View
10.05 mm6.18 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7541082818
Side View
Table 60.0%Crown 39.22°Girdle: STK-VTKPavilion 34.68°Culet: NoneDepth 56.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £12,262 GBP|Low: £5,364 GBP|High: £12,262 GBP|Avg: £7,165 GBP
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
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Retailer 22
Retailer 23
Retailer 24
October 28, 2026
Retailer 7£5,435 GBP
Retailer 21£5,641 GBP
Retailer 9£5,706 GBP
Retailer 8£5,740 GBP
Retailer 22£5,883 GBP
Retailer 11£5,906 GBP
Retailer 15£6,099 GBP
Retailer 6£6,182 GBP
Retailer 17£6,535 GBP
Retailer 3£6,744 GBP
Retailer 19£6,775 GBP
Retailer 2£6,817 GBP
Retailer 5£6,841 GBP
Retailer 24£6,943 GBP
Retailer 4£7,266 GBP
Retailer 23£7,266 GBP
Retailer 14£7,433 GBP
Retailer 16£7,504 GBP
Retailer 13£7,580 GBP
Retailer 12£7,664 GBP
Retailer 10£7,826 GBP
Retailer 20£8,848 GBP
Retailer 18£10,231 GBP
NZ Jewellers£12,262 GBP

39 data points across 24 retailers

26 retailers£5,706 GBP to £12,262 GBP

Retailer 1
-
£5,435 GBP
$7,293 USD
Price last confirmed 7 days ago
Retailer 2
-
£5,641 GBP
$7,570 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
£5,706 GBP
$7,657 USD
View
Retailer 4
-
£5,740 GBP
$7,703 USD
View
Price last confirmed 7 days ago
Retailer 5
-
£5,906 GBP
$7,926 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£5,978 GBP
CA$11,141 CAD
View
Retailer 7
-
£6,099 GBP
$8,185 USD
View
Price last confirmed 5 days ago
Retailer 8
-
£6,131 GBP
$8,228 USD
View
Price last confirmed 8 days ago
Retailer 9
-
£6,182 GBP
$8,296 USD
View
Price last confirmed 12 days ago
Retailer 10
-
£6,535 GBP
$8,769 USD
View
Price last confirmed 8 days ago
Retailer 11
-
£6,642 GBP
$8,913 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£6,744 GBP
$9,050 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£6,775 GBP
A$13,987 AUD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
£6,817 GBP
View
B+
Retailer 15
-
£6,841 GBP
$9,180 USD
View
B+
Retailer 16
-
£7,049 GBP
$9,459 USD
View
Retailer 17
-
£7,266 GBP
$9,750 USD
View
Price last confirmed 7 days ago
Retailer 18
-
£7,266 GBP
$9,750 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
£7,433 GBP
$9,974 USD
View
Retailer 20
-
£7,504 GBP
$10,070 USD
View
Price last confirmed 7 days ago
B
Retailer 21
-
£7,580 GBP
€9,688 EUR
View
B
Retailer 22
-
£7,664 GBP
$10,285 USD
View
B
Retailer 23
-
£7,826 GBP
$10,502 USD
View
Retailer 24
-
£8,848 GBP
ZAR 191,815 ZAR
View
Price last confirmed 11 days ago
Retailer 25
-
£10,231 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
ba8cfb27-982e-495b-85d3-62f061bf1bed · Oct 27
£12,262 GBP
$16,455 USD
View
25 more retailers have this diamond
Prices start from £5,706 GBPSave up to £6,556 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+
1.51ct Oval
£5,706 GBP