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 $1,430 USD
As of November 2, 2026
Save $5,122 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,552 USD at Adiamor · As of November 2, 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 November 2, 2026, with prices from $1,430 to $6,552, a $5,122 spread on the same certified stone. Adiamor lists it at $6,552. 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

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: Nov 2
Current: $6,552 USD|Low: $1,127 USD|High: $6,580 USD|Avg: $3,077 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4$1,127 USD
Retailer 7$1,256 USD
Retailer 3$1,430 USD
Retailer 9$1,885 USD
Retailer 6$1,999 USD
Retailer 2$2,077 USD
Retailer 5$2,548 USD
Retailer 8$6,390 USD
Adiamor$6,552 USD

22 data points across 9 retailers

11 retailers$1,430 USD to $6,552 USD

Retailer 1
-
$1,127 USD
£887 GBP
Price last confirmed 16 days ago
Retailer 2
-
$1,178 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$1,239 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$1,256 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$1,430 USD
View
B+
Retailer 6
-
$1,885 USD
View
B+
Retailer 7
-
$1,999 USD
View
B+
Retailer 8
-
$2,077 USD
€1,978 EUR
View
B
Retailer 9
-
$2,548 USD
View
B
Retailer 10
-
$6,390 USD
View
Most Expensive
B
Adiamor
D-82061418 · Nov 2
$6,552 USD
View
10 more retailers have this diamond
Prices start from $1,430 USDSave up to $5,122 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
10.43ct Radiant
$1,430 USD