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Radiant|Lab Grown|IGI

5.08ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG847661376

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

Certificate IGI LG847661376

Diamond specifications and retailer prices

From $1,499 NZD
HK$6,600 HKD
As of October 31, 2026
Save $5,847 NZD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,346 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG847661376 or 847661376. Listed at 9 retailers as of October 30, 2026, with prices from $1,499 to $7,346, a $5,847 spread on the same certified stone. Brilliant Earth lists it at $7,346. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.08
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661376
Dimensions11.92 × 8.69 × 5.71 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.92 mm8.69 mm5.08 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847661376
Side View
Table 64.0%Crown 43.1°Girdle: MediumPavilion 33.1°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,346 NZD|Low: $1,242 NZD|High: $8,215 NZD|Avg: $3,521 NZD|-10.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9$1,242 NZD
Retailer 8$1,499 NZD
Retailer 6$1,606 NZD
Retailer 2$1,999 NZD
Retailer 5$2,132 NZD
Retailer 4$3,291 NZD
Retailer 10$4,345 NZD
Retailer 3$5,261 NZD
Retailer 7$5,435 NZD
Brilliant Earth$7,346 NZD

6 data points across 10 retailers

9 retailers$1,499 NZD to $7,346 NZD

A
Cheapest Retailer
-
$1,499 NZD
HK$6,600 HKD
A
Retailer 2
-
$1,606 NZD
$905 USD
View
B+
Retailer 3
-
$1,999 NZD
€1,073 EUR
View
A
Retailer 4
-
$2,132 NZD
£946 GBP
View
B+
Retailer 5
-
$3,291 NZD
$1,855 USD
View
B
Retailer 6
-
$4,345 NZD
SGD 3,309 SGD
View
B
Retailer 7
-
$5,261 NZD
$2,965 USD
View
B
Retailer 8
-
$5,435 NZD
£2,412 GBP
View
Most Expensive
B
Brilliant Earth
22251487A · Oct 30
$7,346 NZD
$4,140 USD
View
8 more retailers have this diamond
Prices start from $1,499 NZDSave up to $5,847 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
5.08ct Radiant
$1,499 NZD