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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 €384 EUR
$429 USD
As of October 30, 2026
Save €3,026 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,410 EUR 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 €384 to €3,410, a €3,026 spread on the same certified stone. Do Amore Diamonds lists it at €3,410. 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: €3,410 EUR|Low: €377 EUR|High: €4,923 EUR|Avg: €1,723 EUR|-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€384 EUR
Retailer 9€430 EUR
Retailer 4€718 EUR
Retailer 8€749 EUR
Retailer 6€752 EUR
Retailer 7€1,335 EUR
Retailer 3€1,391 EUR
Retailer 11€1,689 EUR
Retailer 5€1,940 EUR
Retailer 2€3,106 EUR
Do Amore Diamonds€3,410 EUR

23 data points across 11 retailers

11 retailers€384 EUR to €3,410 EUR

A
Cheapest Retailer
-
€384 EUR
$429 USD
A
Retailer 2
-
€430 EUR
$480 USD
View
A
Retailer 3
-
€718 EUR
£632 GBP
View
B+
Retailer 4
-
€749 EUR
$837 USD
View
B+
Retailer 5
-
€752 EUR
$840 USD
View
B+
Retailer 6
-
€1,335 EUR
$1,491 USD
View
B+
Retailer 7
-
€1,391 EUR
$1,554 USD
View
B+
Retailer 8
-
€1,689 EUR
$1,887 USD
View
B
Retailer 9
-
€1,940 EUR
£1,707 GBP
View
B
Retailer 10
-
€3,106 EUR
$3,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-7F95F7640 · Oct 31
€3,410 EUR
$3,810 USD
View
10 more retailers have this diamond
Prices start from €384 EURSave up to €3,026 EUR

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
€384 EUR