Oval|Natural|IGI

1.51ct K VS1 Oval Natural Diamond

VG • K/VS1 • IGI 805628358

Shape and cutting style on the report: Oval brilliant

Certificate IGI 805628358

Diamond specifications and retailer prices

From £2,389 GBP
As of November 6, 2026
Save £2,631 GBP (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,019 GBP at NZ Jewellers · As of September 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 805628358. Listed at 14 retailers as of November 5, 2026, with a 110% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle35.5°
OriginNatural
Grading LabIGI
CertificateIGI 805628358
Dimensions9.00 × 6.35 × 3.84 mm
L/W Ratio1.42
Girdle conditionFaceted
Top View
9.00 mm6.35 mm1.51 ctK / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 805628358
Side View
Table 60.0%Crown 40.9°Girdle: STK-THKPavilion 35.5°CuletDepth 60.5%

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: Nov 6
Current: £5,019 GBP|Low: £2,389 GBP|High: £5,019 GBP|Avg: £3,419 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2£2,389 GBP
Retailer 4£2,699 GBP
Retailer 7£2,753 GBP
Retailer 3£2,817 GBP
Retailer 6£2,881 GBP
Retailer 8£2,991 GBP
Retailer 9£3,324 GBP
Retailer 10£3,384 GBP
Retailer 5£3,516 GBP
Retailer 11£4,869 GBP
NZ Jewellers£5,019 GBP

33 data points across 11 retailers

14 retailers£2,389 GBP to £5,019 GBP

A
Cheapest Retailer
-
£2,389 GBP
A
Retailer 2
-
£2,699 GBP
View
B+
Retailer 3
-
£2,753 GBP
View
B+
Retailer 4
-
£2,817 GBP
View
B+
Retailer 5
-
£2,881 GBP
View
B+
Retailer 6
-
£2,990 GBP
View
B+
Retailer 7
-
£2,991 GBP
View
B+
Retailer 8
-
£3,324 GBP
View
Retailer 9
-
£3,324 GBP
View
Price last confirmed 28 days ago
B+
Retailer 10
-
£3,384 GBP
View
B+
Retailer 11
-
£3,516 GBP
View
Retailer 12
-
£4,869 GBP
View
Price last confirmed 22 days ago
B
Retailer 13
-
£5,019 GBP
View
Most Expensive
NZ Jewellers
8d20828e-6bd3-4c56-8778-ee11c2dea87a · Sep 30
£5,019 GBP
$6,718 USD
View
Price last confirmed 37 days ago
13 more retailers have this diamond
Prices start from £2,389 GBPSave up to £2,631 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
£2,389 GBP