Radiant|Lab Grown|IGI

5.05ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • IGI LG836679053

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

Certificate IGI LG836679053

Diamond specifications and retailer prices

From $1,254 AUD
£694 GBP
As of November 1, 2026
Save $7,074 AUD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,328 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.05ct lab-grown radiant diamond

This 5.05ct 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 LG836679053 or 836679053. Listed at 16 retailers as of October 28, 2026, with prices from $1,254 to $8,328, a $7,074 spread on the same certified stone. Brilliant Earth lists it at $8,328. 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

5.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836679053
Dimensions11.31 × 8.72 × 5.76 mm
L/W Ratio1.30
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm8.72 mm5.05 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836679053
Side View
Table 58.0%Crown 43.3°Girdle: ThickPavilion 38.6°Culet: NoneDepth 66.1%

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: Nov 1
Current: $8,328 AUD|Low: $914 AUD|High: $8,328 AUD|Avg: $2,732 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 13$951 AUD
Retailer 3$1,103 AUD
Retailer 14$1,103 AUD
Retailer 8$1,254 AUD
Retailer 12$1,352 AUD
Retailer 7$1,580 AUD
Retailer 4$1,757 AUD
Retailer 9$1,768 AUD
Retailer 11$2,819 AUD
Retailer 10$3,744 AUD
Retailer 5$3,807 AUD
Retailer 2$4,648 AUD
Retailer 6$5,116 AUD
Brilliant Earth$8,328 AUD

31 data points across 14 retailers

16 retailers$1,254 AUD to $8,328 AUD

Retailer 1
-
$951 AUD
$668 USD
Price last confirmed 24 days ago
Retailer 2
-
$1,035 AUD
$727 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$1,103 AUD
$775 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$1,103 AUD
$775 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,254 AUD
£694 GBP
View
A
Retailer 6
-
$1,352 AUD
$950 USD
View
B+
Retailer 7
-
$1,580 AUD
$1,110 USD
View
B+
Retailer 8
-
$1,757 AUD
$1,234 USD
View
B+
Retailer 9
-
$1,768 AUD
€1,183 EUR
View
B+
Retailer 10
-
$2,819 AUD
$1,980 USD
View
Retailer 11
-
$3,103 AUD
$2,180 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$3,744 AUD
$2,630 USD
View
B
Retailer 13
-
$3,807 AUD
$2,674 USD
View
B
Retailer 14
-
$4,648 AUD
£2,571 GBP
View
B
Retailer 15
-
$5,116 AUD
$3,594 USD
View
Most Expensive
B
Brilliant Earth
21562105A · Oct 28
$8,328 AUD
$5,850 USD
View
15 more retailers have this diamond
Prices start from $1,254 AUDSave up to $7,074 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
5.05ct Radiant
$1,254 AUD