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Radiant|Lab Grown|IGI

3.43ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG700552509

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG700552509

Diamond specifications and retailer prices

From $611 AUD
$429 USD
As of October 30, 2026
Save $4,813 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,424 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.43ct lab-grown radiant diamond

This 3.43ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700552509 or 700552509. Listed at 11 retailers as of October 30, 2026, with prices from $611 to $5,424, a $4,813 spread on the same certified stone. Do Amore Diamonds lists it at $5,424. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700552509
Dimensions10.83 × 7.30 × 5.02 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.83 mm7.30 mm3.43 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700552509
Side View
Table 66.0%Crown 45.9°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.8%

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 30
Current: $5,424 AUD|Low: $599 AUD|High: $7,830 AUD|Avg: $2,740 AUD|-2.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$611 AUD
Retailer 9$683 AUD
Retailer 4$1,143 AUD
Retailer 8$1,192 AUD
Retailer 6$1,196 AUD
Retailer 7$2,123 AUD
Retailer 3$2,212 AUD
Retailer 11$2,686 AUD
Retailer 5$3,086 AUD
Retailer 2$4,940 AUD
Do Amore Diamonds$5,424 AUD

23 data points across 11 retailers

11 retailers$611 AUD to $5,424 AUD

A
Cheapest Retailer
-
$611 AUD
$429 USD
A
Retailer 2
-
$683 AUD
$480 USD
View
A
Retailer 3
-
$1,143 AUD
£632 GBP
View
B+
Retailer 4
-
$1,192 AUD
$837 USD
View
B+
Retailer 5
-
$1,196 AUD
$840 USD
View
B+
Retailer 6
-
$2,123 AUD
$1,491 USD
View
B+
Retailer 7
-
$2,212 AUD
$1,554 USD
View
B+
Retailer 8
-
$2,686 AUD
$1,887 USD
View
B
Retailer 9
-
$3,086 AUD
£1,707 GBP
View
B
Retailer 10
-
$4,940 AUD
$3,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-7F95F7640 · Oct 31
$5,424 AUD
$3,810 USD
View
10 more retailers have this diamond
Prices start from $611 AUDSave up to $4,813 AUD

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 Radiant
$611 AUD