Round|Natural|IGI

1.51ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 737595418

Shape and cutting style on the report: Round brilliant

Certificate IGI 737595418

Diamond specifications and retailer prices

From £2,634 GBP
$3,529 USD
As of October 31, 2026
Save £2,581 GBP (49%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,569 GBP at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 737595418. Listed at 22 retailers as of October 30, 2026, with a 98% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 737595418
Dimensions7.25 × 7.29 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.25 mm7.29 mm1.51 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737595418
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: Oct 31
Current: £5,183 GBP|Low: £2,618 GBP|High: £5,396 GBP|Avg: £3,363 GBP
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 10£2,634 GBP
Retailer 13£2,762 GBP
Retailer 11£2,868 GBP
Retailer 5£2,893 GBP
Retailer 3£2,937 GBP
Retailer 7£2,975 GBP
Retailer 6£3,085 GBP
Retailer 14£3,088 GBP
Retailer 12£3,100 GBP
Retailer 4£3,195 GBP
Retailer 2£3,426 GBP
Retailer 8£3,432 GBP
Retailer 15£3,491 GBP
Retailer 9£3,679 GBP
Retailer 16£5,167 GBP
NZ Jewellers£5,183 GBP

28 data points across 16 retailers

22 retailers£2,634 GBP to £5,215 GBP

A
Cheapest Retailer
-
£2,634 GBP
$3,529 USD
A
Retailer 2
-
£2,762 GBP
$3,701 USD
View
Final sale: no returns
A
Retailer 3
-
£2,868 GBP
$3,843 USD
View
A
Retailer 4
-
£2,893 GBP
$3,876 USD
View
A
Retailer 5
-
£2,937 GBP
$3,935 USD
View
Retailer 6
-
£2,975 GBP
$3,986 USD
View
Price last confirmed 15 days ago
Retailer 7
-
£3,085 GBP
$4,134 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
£3,088 GBP
View
A
Retailer 9
-
£3,100 GBP
View
A
Retailer 10
-
£3,195 GBP
$4,281 USD
View
Retailer 11
-
£3,197 GBP
$4,283 USD
View
Price last confirmed 30 days ago
Retailer 12
-
£3,197 GBP
$4,283 USD
View
Price last confirmed 32 days ago
A
Retailer 13
-
£3,426 GBP
View
Retailer 14
-
£3,432 GBP
$4,599 USD
View
Price last confirmed 10 days ago
A
Retailer 15
-
£3,491 GBP
€4,455 EUR
View
B+
Retailer 16
-
£3,560 GBP
$4,770 USD
View
B+
Retailer 17
-
£3,679 GBP
ZAR 79,639 ZAR
View
Retailer 18
-
£3,688 GBP
$4,942 USD
View
Price last confirmed 32 days ago
B
Retailer 19
-
£5,167 GBP
View
Retailer 20
-
£5,183 GBP
$6,944 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
£5,215 GBP
$6,987 USD
View
Most Expensive
NZ Jewellers
378d14ef-95a0-4c91-b5f4-1f59cae4dd14 · Sep 26
£5,569 GBP
$7,462 USD
View
Price last confirmed 35 days ago
21 more retailers have this diamond
Prices start from £2,634 GBPSave up to £2,581 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 Round
£2,634 GBP