Radiant|Lab Grown|IGI

10.43ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG605385665

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

Certificate IGI LG605385665

Diamond specifications and retailer prices

From €1,280 EUR
$1,430 USD
As of October 31, 2026
Save €4,585 EUR (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,865 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.43ct lab-grown radiant diamond

This 10.43ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605385665 or 605385665. Listed at 11 retailers as of October 31, 2026, with prices from €1,280 to €5,865, a €4,585 spread on the same certified stone. Adiamor lists it at €5,865. 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

10.43
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605385665
Dimensions15.15 × 10.72 × 7.33 mm
L/W Ratio1.41
Culet sizePointed
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
15.15 mm10.72 mm10.43 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605385665
Side View
Table 65.0%Crown 45°Girdle: MED-STKPavilion 35°Culet: NoneDepth 68.4%

Caratlytics Score

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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 31
Current: €5,865 EUR|Low: €1,008 EUR|High: €5,890 EUR|Avg: €2,754 EUR
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4€1,008 EUR
Retailer 7€1,124 EUR
Retailer 3€1,280 EUR
Retailer 9€1,687 EUR
Retailer 6€1,789 EUR
Retailer 2€1,859 EUR
Retailer 5€2,281 EUR
Retailer 8€5,720 EUR
Adiamor€5,865 EUR

22 data points across 9 retailers

11 retailers€1,280 EUR to €5,865 EUR

Retailer 1
-
€1,008 EUR
£887 GBP
Price last confirmed 16 days ago
Retailer 2
-
€1,054 EUR
$1,178 USD
View
Price last confirmed 35 days ago
Retailer 3
-
€1,109 EUR
$1,239 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€1,124 EUR
$1,256 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
€1,280 EUR
$1,430 USD
View
B+
Retailer 6
-
€1,687 EUR
$1,885 USD
View
B+
Retailer 7
-
€1,789 EUR
$1,999 USD
View
B+
Retailer 8
-
€1,859 EUR
View
B
Retailer 9
-
€2,281 EUR
$2,548 USD
View
B
Retailer 10
-
€5,720 EUR
$6,390 USD
View
Most Expensive
B
Adiamor
D-82061418 · Oct 31
€5,865 EUR
$6,552 USD
View
10 more retailers have this diamond
Prices start from €1,280 EURSave up to €4,585 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
10.43ct Radiant
€1,280 EUR