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 $1,563 NZD
£694 GBP
As of November 2, 2026
Save $8,817 NZD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,380 NZD 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 $1,563 to $10,380, a $8,817 spread on the same certified stone. Brilliant Earth lists it at $10,380. 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 2
Current: $10,380 NZD|Low: $1,139 NZD|High: $10,380 NZD|Avg: $3,409 NZD
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 2, 2026
Retailer 13$1,185 NZD
Retailer 3$1,375 NZD
Retailer 14$1,375 NZD
Retailer 2$1,563 NZD
Retailer 12$1,686 NZD
Retailer 8$1,969 NZD
Retailer 4$2,189 NZD
Retailer 9$2,204 NZD
Retailer 11$3,513 NZD
Retailer 10$4,666 NZD
Retailer 5$4,745 NZD
Retailer 7$5,793 NZD
Retailer 6$6,377 NZD
Brilliant Earth$10,380 NZD

32 data points across 14 retailers

16 retailers$1,563 NZD to $10,380 NZD

Retailer 1
-
$1,185 NZD
$668 USD
Price last confirmed 25 days ago
Retailer 2
-
$1,290 NZD
$727 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$1,375 NZD
$775 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$1,375 NZD
$775 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,563 NZD
£694 GBP
View
A
Retailer 6
-
$1,686 NZD
$950 USD
View
B+
Retailer 7
-
$1,969 NZD
$1,110 USD
View
B+
Retailer 8
-
$2,189 NZD
$1,234 USD
View
B+
Retailer 9
-
$2,204 NZD
€1,183 EUR
View
B+
Retailer 10
-
$3,513 NZD
$1,980 USD
View
Retailer 11
-
$3,868 NZD
$2,180 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$4,666 NZD
$2,630 USD
View
B
Retailer 13
-
$4,745 NZD
$2,674 USD
View
B
Retailer 14
-
$5,793 NZD
£2,571 GBP
View
B
Retailer 15
-
$6,377 NZD
$3,594 USD
View
Most Expensive
B
Brilliant Earth
21562105A · Oct 28
$10,380 NZD
$5,850 USD
View
15 more retailers have this diamond
Prices start from $1,563 NZDSave up to $8,817 NZD

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
$1,563 NZD