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2.43ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG607347374

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607347374

Diamond specifications and retailer prices

From £514 GBP
$689 USD
As of October 29, 2026
Save £4,046 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,560 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 2.43ct lab-grown round diamond

This 2.43ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607347374 or 607347374. Listed at 13 retailers as of October 29, 2026, with prices from £514 to £4,560, a £4,046 spread on the same certified stone. Do Amore Diamonds lists it at £4,560. 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

2.43
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607347374
Dimensions8.64 × 8.61 × 5.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
8.64 mm8.61 mm2.43 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607347374
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

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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 29
Current: £4,560 GBP|Low: £493 GBP|High: £4,560 GBP|Avg: £1,280 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 9£514 GBP
Retailer 13£559 GBP
Retailer 4£596 GBP
Retailer 10£596 GBP
Retailer 6£728 GBP
Retailer 12£860 GBP
Retailer 11£969 GBP
Retailer 5£1,009 GBP
Retailer 2£1,414 GBP
Retailer 8£1,468 GBP
Retailer 3£1,850 GBP
Retailer 7£2,470 GBP
Do Amore Diamonds£4,560 GBP

27 data points across 13 retailers

13 retailers£514 GBP to £4,560 GBP

A
Cheapest Retailer
-
£514 GBP
$689 USD
A
Retailer 2
-
£559 GBP
$749 USD
View
Retailer 3
-
£596 GBP
$799 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£596 GBP
$799 USD
View
A
Retailer 5
-
£728 GBP
$975 USD
View
A
Retailer 6
-
£860 GBP
$1,152 USD
View
A
Retailer 7
-
£969 GBP
$1,299 USD
View
A
Retailer 8
-
£1,009 GBP
$1,352 USD
View
A
Retailer 9
-
£1,414 GBP
View
A
Retailer 10
-
£1,468 GBP
$1,967 USD
View
A
Retailer 11
-
£1,850 GBP
$2,479 USD
View
B+
Retailer 12
-
£2,470 GBP
View
Most Expensive
B
Do Amore Diamonds
27-464CB74B7 · Oct 30
£4,560 GBP
$6,110 USD
View
12 more retailers have this diamond
Prices start from £514 GBPSave up to £4,046 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
2.43ct Round
£514 GBP