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Round|Lab Grown|IGI

3.43ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG607333504

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607333504

Diamond specifications and retailer prices

From $288 USD
As of October 29, 2026
Save $1,702 USD (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,990 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.43ct lab-grown round diamond

This 3.43ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607333504 or 607333504. Listed at 8 retailers as of October 29, 2026, with prices from $288 to $1,990, a $1,702 spread on the same certified stone. Brilliant Earth lists it at $1,990. 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

3.43
Carat
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607333504
Dimensions9.71 × 9.77 × 5.89 mm
L/W Ratio1.01
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
9.71 mm9.77 mm3.43 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607333504
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.5%

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 29
Current: $1,990 USD|Low: $288 USD|High: $2,060 USD|Avg: $1,113 USD|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$288 USD
Retailer 4$334 USD
Retailer 7$586 USD
Retailer 8$987 USD
Retailer 5$1,097 USD
Retailer 9$1,108 USD
Retailer 2$1,247 USD
Retailer 3$1,589 USD
Brilliant Earth$1,990 USD

20 data points across 9 retailers

8 retailers$288 USD to $1,990 USD

A
Cheapest Retailer
-
$288 USD
A
Retailer 2
-
$334 USD
View
B+
Retailer 3
-
$586 USD
View
A
Retailer 4
-
$987 USD
View
A
Retailer 5
-
$1,097 USD
View
A
Retailer 6
-
$1,247 USD
View
A
Retailer 7
-
$1,589 USD
£1,251 GBP
View
Most Expensive
B+
Brilliant Earth
8575460Y · Oct 29
$1,990 USD
View
7 more retailers have this diamond
Prices start from $288 USDSave up to $1,702 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
3.43ct Round
$288 USD