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Round|Lab Grown|IGI

2.43ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG593371740

Shape and cutting style on the report: Round brilliant

Certificate IGI LG593371740

Diamond specifications and retailer prices

From $784 USD
As of October 23, 2026
Save $2,646 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,430 USD at Do Amore Diamonds · As of October 23, 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 LG593371740 or 593371740. Listed at 11 retailers as of October 23, 2026, with prices from $784 to $3,430, a $2,646 spread on the same certified stone. Do Amore Diamonds lists it at $3,430. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593371740
Dimensions8.68 × 8.65 × 5.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
Pre-existing laser inscription on girdle. Partial inscription on girdle. As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
8.68 mm8.65 mm2.43 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593371740
Side View
Table 56.0%Crown 34.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 23
Current: $3,430 USD|Low: $391 USD|High: $3,430 USD|Avg: $1,415 USD
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
October 23, 2026
Retailer 8$408 USD
Retailer 9$456 USD
Retailer 12$784 USD
Retailer 11$799 USD
Retailer 2$1,117 USD
Retailer 3$1,339 USD
Retailer 7$1,340 USD
Retailer 10$1,417 USD
Retailer 5$1,793 USD
Retailer 4$1,999 USD
Retailer 6$2,060 USD
Do Amore Diamonds$3,430 USD

22 data points across 12 retailers

11 retailers$784 USD to $3,430 USD

Retailer 1
-
$408 USD
Price last confirmed 7 days ago
Retailer 2
-
$456 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$784 USD
View
A
Retailer 4
-
$799 USD
View
Retailer 5
-
$1,117 USD
£880 GBP
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,339 USD
View
Retailer 7
-
$1,340 USD
View
Price last confirmed 6 days ago
A
Retailer 8
-
$1,417 USD
View
Retailer 9
-
$1,793 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$2,060 USD
£1,622 GBP
View
Price last confirmed 8 days ago
Most Expensive
B+
Do Amore Diamonds
7-1588264 · Oct 23
$3,430 USD
View
10 more retailers have this diamond
Prices start from $784 USDSave up to $2,646 USD

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
$784 USD