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Round|Lab Grown|IGI

1.93ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG579399502

Shape and cutting style on the report: Round brilliant

Certificate IGI LG579399502

Diamond specifications and retailer prices

From £123 GBP
$165 USD
As of October 29, 2026
Save £922 GBP (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,045 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.93ct lab-grown round diamond

This 1.93ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579399502 or 579399502. Listed at 9 retailers as of October 29, 2026, with prices from £123 to £1,045, a £922 spread on the same certified stone. Brilliant Earth lists it at £1,045. 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

1.93
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579399502
Dimensions8.05 × 8.03 × 4.86 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.05 mm8.03 mm1.93 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579399502
Side View
Table 57.0%Crown 33.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,045 GBP|Low: £135 GBP|High: £1,075 GBP|Avg: £479 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7£135 GBP
Retailer 8£154 GBP
Retailer 4£193 GBP
Retailer 3£275 GBP
Retailer 9£482 GBP
Retailer 5£502 GBP
Retailer 2£519 GBP
Retailer 6£876 GBP
Brilliant Earth£1,045 GBP

25 data points across 9 retailers

9 retailers£123 GBP to £1,045 GBP

A
Cheapest Retailer
-
£123 GBP
$165 USD
Retailer 2
-
£135 GBP
$181 USD
View
Price last confirmed 20 days ago
Retailer 3
-
£157 GBP
$210 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
£193 GBP
View
B+
Retailer 5
-
£275 GBP
$368 USD
View
A
Retailer 6
-
£502 GBP
$673 USD
View
A
Retailer 7
-
£519 GBP
$696 USD
View
Retailer 8
-
£595 GBP
$797 USD
View
Price last confirmed 23 days ago
Most Expensive
B+
Brilliant Earth
7406302Y · Oct 29
£1,045 GBP
$1,400 USD
View
8 more retailers have this diamond
Prices start from £123 GBPSave up to £922 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
1.93ct Round
£123 GBP