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1.53ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 783612427

Shape and cutting style on the report: Round brilliant

Certificate IGI 783612427

Diamond specifications and retailer prices

From £1,870 GBP
As of November 4, 2026
Save £1,349 GBP (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,219 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 783612427. Listed at 8 retailers as of November 4, 2026, with prices from £1,870 to £3,219, a £1,349 spread on the same certified stone. Wholesale Diamonds Direct lists it at £3,219. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 783612427
Dimensions7.36 × 7.32 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.36 mm7.32 mm1.53 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 783612427
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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 4
Current: £2,081 GBP|Low: £1,794 GBP|High: £3,384 GBP|Avg: £2,298 GBP|-11.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 8£1,794 GBP
Retailer 5£1,870 GBP
Retailer 6£1,991 GBP
Retailer 2£2,011 GBP
Retailer 1£2,081 GBP
Retailer 7£2,118 GBP
Retailer 3£2,368 GBP
Retailer 4£2,472 GBP
Wholesale Diamonds Direct£3,219 GBP

39 data points across 9 retailers

8 retailers£1,870 GBP to £3,219 GBP

A
Cheapest Retailer
-
£1,870 GBP
Final sale: no returns
B+
Retailer 2
-
£1,991 GBP
View
B+
Retailer 3
-
£2,011 GBP
View
A
Retailer 4
-
£2,081 GBP
View
B+
Retailer 5
-
£2,118 GBP
View
B+
Retailer 6
-
£2,368 GBP
View
B+
Retailer 7
-
£2,472 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
626029621 · Nov 4
£3,219 GBP
$4,332 USD
View
7 more retailers have this diamond
Prices start from £1,870 GBPSave up to £1,349 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
£1,870 GBP