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Round|Natural|IGI

1.53ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 572328573

Shape and cutting style on the report: Round brilliant

Certificate IGI 572328573

Diamond specifications and retailer prices

From £2,034 GBP
₹259,586 INR
As of October 31, 2026
Save £1,902 GBP (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,079 GBP at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 572328573. Listed at 16 retailers as of October 29, 2026, with a 94% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.53
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.7°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 572328573
Dimensions7.31 × 7.36 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.31 mm7.36 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 572328573
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: Oct 31
Current: £2,034 GBP|Low: £1,981 GBP|High: £3,962 GBP|Avg: £2,602 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 1£2,034 GBP
Retailer 8£2,096 GBP
Retailer 6£2,123 GBP
Retailer 7£2,160 GBP
Retailer 3£2,540 GBP
Retailer 5£2,692 GBP
Retailer 2£2,740 GBP
Retailer 4£3,936 GBP

42 data points across 8 retailers

16 retailers£2,034 GBP to £3,936 GBP

A
Cheapest Retailer
-
£2,034 GBP
₹259,586 INR
A
Retailer 2
-
£2,096 GBP
$2,809 USD
View
Retailer 3
-
£2,123 GBP
$2,845 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£2,160 GBP
$2,894 USD
View
Final sale: no returns
Retailer 5
-
£2,341 GBP
$3,137 USD
View
Price last confirmed 39 days ago
Retailer 6
-
£2,341 GBP
$3,137 USD
View
Price last confirmed 23 days ago
Retailer 7
-
£2,431 GBP
$3,257 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
£2,448 GBP
$3,280 USD
View
A
Retailer 9
-
£2,540 GBP
View
A
Retailer 10
-
£2,692 GBP
View
Retailer 11
-
£2,701 GBP
$3,619 USD
View
Price last confirmed 22 days ago
Retailer 12
-
£2,701 GBP
$3,619 USD
View
Price last confirmed 39 days ago
A
Retailer 13
-
£2,740 GBP
€3,497 EUR
View
B+
Retailer 14
-
£3,936 GBP
View
Retailer 15
-
£4,079 GBP
$5,465 USD
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
a56f6a24-12a2-42b2-9871-723d62479d26 · Sep 27
£4,079 GBP
$5,465 USD
View
Price last confirmed 34 days ago
15 more retailers have this diamond
Prices start from £2,034 GBPSave up to £1,902 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
1.53ct Round
£2,034 GBP