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Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 1537184523

Certificate GIA 1537184523

Diamond specifications and retailer prices

From £4,848 GBP
$6,506 USD
As of November 1, 2026
Save £5,416 GBP (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £10,264 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 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 1537184523. Listed at 14 retailers as of October 30, 2026, with prices from £4,848 to £10,264, a £5,416 spread on the same certified stone. NZ Jewellers lists it at £10,264. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle41.63°
Pavilion angle37.07°
OriginNatural
Grading LabGIA
CertificateGIA 1537184523
Dimensions9.04 × 6.14 × 3.89 mm
L/W Ratio1.47
Girdle conditionExtremely Thick
Key to symbols
Crystal, Twinning Wisp, Feather, Indented Natural
Top View
9.04 mm6.14 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1537184523
Side View
Table 57.0%Crown 41.63°Girdle: ThickPavilion 37.07°Culet: NoneDepth 63.3%

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: £10,264 GBP|Low: £4,848 GBP|High: £10,750 GBP|Avg: £6,685 GBP|-4.5%
NZ Jewellers
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
November 2, 2026
Retailer 4£4,848 GBP
Retailer 14£5,104 GBP
Retailer 6£5,132 GBP
Retailer 10£5,175 GBP
Retailer 3£5,560 GBP
Retailer 5£5,646 GBP
Retailer 7£5,791 GBP
Retailer 13£5,874 GBP
Retailer 2£6,216 GBP
Retailer 12£6,415 GBP
Retailer 11£6,630 GBP
Retailer 9£6,760 GBP
Retailer 8£8,553 GBP
NZ Jewellers£10,264 GBP

42 data points across 14 retailers

14 retailers£4,848 GBP to £10,264 GBP

A
Cheapest Retailer
-
£4,848 GBP
$6,506 USD
B+
Retailer 2
-
£5,104 GBP
CA$9,513 CAD
View
B+
Retailer 3
-
£5,132 GBP
$6,887 USD
View
B+
Retailer 4
-
£5,175 GBP
$6,944 USD
View
B+
Retailer 5
-
£5,560 GBP
$7,461 USD
View
B+
Retailer 6
-
£5,646 GBP
$7,576 USD
View
B+
Retailer 7
-
£5,791 GBP
View
B+
Retailer 8
-
£5,874 GBP
$7,882 USD
View
B+
Retailer 9
-
£6,084 GBP
$8,164 USD
View
B+
Retailer 10
-
£6,216 GBP
€7,944 EUR
View
B
Retailer 11
-
£6,415 GBP
$8,609 USD
View
B+
Retailer 12
-
£6,630 GBP
$8,897 USD
View
B
Retailer 13
-
£8,553 GBP
View
Most Expensive
B
NZ Jewellers
6b4413de-67c2-4282-a7dc-0c7212a8737d · Oct 30
£10,264 GBP
$13,774 USD
View
13 more retailers have this diamond
Prices start from £4,848 GBPSave up to £5,416 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
£4,848 GBP