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 $884 USD
£696 GBP
As of October 30, 2026
Save $4,966 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,850 USD 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 $884 to $5,850, a $4,966 spread on the same certified stone. Brilliant Earth lists it at $5,850. 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
Color
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: Oct 30
Current: $5,850 USD|Low: $642 USD|High: $5,850 USD|Avg: $1,917 USD
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
October 31, 2026
Retailer 13$668 USD
Retailer 3$775 USD
Retailer 14$775 USD
Retailer 7$884 USD
Retailer 12$950 USD
Retailer 4$1,234 USD
Retailer 2$1,242 USD
Retailer 9$1,264 USD
Retailer 11$1,980 USD
Retailer 10$2,630 USD
Retailer 5$2,674 USD
Retailer 8$3,270 USD
Retailer 6$3,594 USD
Brilliant Earth$5,850 USD

30 data points across 14 retailers

16 retailers$884 USD to $5,850 USD

Retailer 1
-
$668 USD
Price last confirmed 23 days ago
Retailer 2
-
$727 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$775 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$775 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$884 USD
£696 GBP
View
A
Retailer 6
-
$950 USD
View
B+
Retailer 7
-
$1,234 USD
View
B+
Retailer 8
-
$1,242 USD
€1,183 EUR
View
B+
Retailer 9
-
$1,264 USD
View
B+
Retailer 10
-
$1,980 USD
View
Retailer 11
-
$2,180 USD
View
Price last confirmed 31 days ago
B
Retailer 12
-
$2,630 USD
View
B
Retailer 13
-
$2,674 USD
View
B
Retailer 14
-
$3,270 USD
£2,575 GBP
View
B
Retailer 15
-
$3,594 USD
View
Most Expensive
B
Brilliant Earth
21562105A · Oct 28
$5,850 USD
View
15 more retailers have this diamond
Prices start from $884 USDSave up to $4,966 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
5.05ct Radiant
$884 USD