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Round|Natural|IGI

1.57ct I VS2 Round Natural Diamond

EX • I/VS2 • IGI 801638071

Shape and cutting style on the report: Round brilliant

Certificate IGI 801638071

Diamond specifications and retailer prices

From £3,511 GBP
$4,705 USD
As of October 28, 2026
Save £2,988 GBP (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,789 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.57ct natural round diamond

This 1.57ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 801638071. Listed at 15 retailers as of October 28, 2026, with a 85% 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

1.57
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 801638071
Dimensions7.42 × 7.36 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.42 mm7.36 mm1.57 ctI / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638071
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 40.7°CuletDepth 61.8%

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 28
Current: £4,012 GBP|Low: £3,418 GBP|High: £6,543 GBP|Avg: £4,335 GBP|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3£3,511 GBP
Retailer 7£3,747 GBP
Retailer 8£3,803 GBP
Retailer 1£4,012 GBP
Retailer 9£4,222 GBP
Retailer 5£4,436 GBP
Retailer 6£4,445 GBP
Retailer 4£4,943 GBP
Retailer 2£6,499 GBP

40 data points across 9 retailers

15 retailers£3,511 GBP to £6,499 GBP

A
Cheapest Retailer
-
£3,511 GBP
$4,705 USD
A
Retailer 2
-
£3,540 GBP
$4,743 USD
View
A
Retailer 3
-
£3,747 GBP
$5,020 USD
View
Final sale: no returns
A
Retailer 4
-
£3,803 GBP
$5,095 USD
View
A
Retailer 5
-
£4,012 GBP
View
Retailer 6
-
£4,059 GBP
$5,439 USD
View
Price last confirmed 22 days ago
Retailer 7
-
£4,059 GBP
$5,439 USD
View
Price last confirmed 22 days ago
Retailer 8
-
£4,059 GBP
$5,439 USD
View
Price last confirmed 31 days ago
A
Retailer 9
-
£4,174 GBP
$5,592 USD
View
Retailer 10
-
£4,436 GBP
€5,661 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
-
£4,445 GBP
View
Retailer 12
-
£4,683 GBP
$6,275 USD
View
Price last confirmed 21 days ago
A
Retailer 13
-
£4,943 GBP
ZAR 106,990 ZAR
View
B+
Retailer 14
-
£6,499 GBP
View
Most Expensive
NZ Jewellers
c2276757-239f-4679-b1ca-8ad45d6df704 · Sep 28
£6,789 GBP
$9,096 USD
View
Price last confirmed 32 days ago
14 more retailers have this diamond
Prices start from £3,511 GBPSave up to £2,988 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
1.57ct Round
£3,511 GBP