Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 2546750663

Certificate GIA 2546750663

Diamond specifications and retailer prices

From £4,923 GBP
$6,607 USD
As of November 2, 2026
Save £6,173 GBP (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £11,097 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546750663. Listed at 18 retailers as of October 27, 2026, with prices from £4,923 to £11,097, a £6,173 spread on the same certified stone. NZ Jewellers lists it at £11,097. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2546750663
Dimensions8.98 × 6.41 × 3.87 mm
L/W Ratio1.40
Top View
8.98 mm6.41 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2546750663
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £11,097 GBP|Low: £4,827 GBP|High: £11,097 GBP|Avg: £6,937 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6£4,923 GBP
Retailer 5£5,310 GBP
Retailer 8£5,549 GBP
Retailer 7£6,011 GBP
Retailer 10£6,144 GBP
Retailer 3£6,514 GBP
Retailer 2£6,872 GBP
Retailer 9£7,909 GBP
Retailer 4£9,259 GBP
NZ Jewellers£11,097 GBP

38 data points across 10 retailers

18 retailers£4,923 GBP to £11,097 GBP

B+
Cheapest Retailer
-
£4,923 GBP
$6,607 USD
B+
Retailer 2
-
£5,153 GBP
$6,915 USD
View
B+
Retailer 3
-
£5,310 GBP
$7,126 USD
View
Final sale: no returns
B+
Retailer 4
-
£5,332 GBP
$7,155 USD
View
B+
Retailer 5
-
£5,485 GBP
CA$10,223 CAD
View
Retailer 6
-
£6,011 GBP
$8,066 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£6,103 GBP
$8,190 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£6,144 GBP
$8,245 USD
View
B
Retailer 9
-
£6,363 GBP
$8,539 USD
View
B
Retailer 10
-
£6,514 GBP
View
Retailer 11
-
£6,610 GBP
$8,870 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£6,610 GBP
$8,870 USD
View
Price last confirmed 7 days ago
Retailer 13
-
£6,826 GBP
$9,160 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£6,872 GBP
€8,783 EUR
View
B
Retailer 15
-
£6,935 GBP
$9,307 USD
View
B
Retailer 16
-
£7,329 GBP
$9,835 USD
View
B
Retailer 17
-
£9,259 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
77be4b15-8aae-4105-b967-b46ab5ca25a9 · Oct 27
£11,097 GBP
$14,891 USD
View
17 more retailers have this diamond
Prices start from £4,923 GBPSave up to £6,173 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
£4,923 GBP