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Radiant|Lab Grown|IGI

6.00ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG839611721

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

Certificate IGI LG839611721

Diamond specifications and retailer prices

From $1,895 NZD
£841 GBP
As of October 27, 2026
Save $7,598 NZD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,493 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6ct lab-grown radiant diamond

This 6ct 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 LG839611721 or 839611721. Listed at 12 retailers as of October 27, 2026, with prices from $1,895 to $9,493, a $7,598 spread on the same certified stone. Brilliant Earth lists it at $9,493. 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

6.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839611721
Dimensions13.27 × 8.66 × 5.74 mm
L/W Ratio1.53
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.27 mm8.66 mm6.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839611721
Side View
Table 69.0%Crown 48.1°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 66.3%

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 27
Current: $9,493 NZD|Low: $1,675 NZD|High: $16,217 NZD|Avg: $6,365 NZD|-41.5%
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
October 31, 2026
Retailer 3$1,675 NZD
Retailer 11$1,895 NZD
Retailer 2$1,930 NZD
Retailer 10$2,094 NZD
Retailer 6$2,519 NZD
Retailer 12$2,650 NZD
Retailer 4$2,791 NZD
Retailer 8$3,650 NZD
Retailer 7$5,583 NZD
Retailer 5$5,990 NZD
Retailer 13$6,512 NZD
Retailer 9$6,529 NZD
Brilliant Earth$9,493 NZD

29 data points across 13 retailers

12 retailers$1,895 NZD to $9,493 NZD

A
Cheapest Retailer
-
$1,895 NZD
£841 GBP
A
Retailer 2
-
$1,930 NZD
HK$8,500 HKD
View
A
Retailer 3
-
$2,094 NZD
$1,180 USD
View
B+
Retailer 4
-
$2,519 NZD
€1,352 EUR
View
B+
Retailer 5
-
$2,650 NZD
£1,176 GBP
View
B+
Retailer 6
-
$2,791 NZD
$1,573 USD
View
B+
Retailer 7
-
$3,650 NZD
$2,057 USD
View
B
Retailer 8
-
$5,583 NZD
SGD 4,252 SGD
View
B
Retailer 9
-
$5,990 NZD
$3,376 USD
View
B
Retailer 10
-
$6,512 NZD
£2,890 GBP
View
B
Retailer 11
-
$6,529 NZD
$3,680 USD
View
Most Expensive
B
Brilliant Earth
21808178A · Oct 31
$9,493 NZD
$5,350 USD
View
11 more retailers have this diamond
Prices start from $1,895 NZDSave up to $7,598 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
6.00ct Radiant
$1,895 NZD