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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 $1,344 AUD
$944 USD
As of October 27, 2026
Save $11,567 AUD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,910 AUD at Brilliant Earth · As of October 29, 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 13 retailers as of October 27, 2026, with prices from $1,344 to $12,910, a $11,567 spread on the same certified stone. Brilliant Earth lists it at $12,910. 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: $12,910 AUD|Low: $1,344 AUD|High: $13,010 AUD|Avg: $5,263 AUD|-0.8%
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 28, 2026
Retailer 3$1,344 AUD
Retailer 7$1,520 AUD
Retailer 11$1,622 AUD
Retailer 6$1,680 AUD
Retailer 13$2,107 AUD
Retailer 8$2,126 AUD
Retailer 4$2,239 AUD
Retailer 10$3,200 AUD
Retailer 12$4,677 AUD
Retailer 5$4,805 AUD
Retailer 9$5,224 AUD
Retailer 2$5,238 AUD
Brilliant Earth$12,910 AUD

27 data points across 13 retailers

13 retailers$1,344 AUD to $12,910 AUD

A
Cheapest Retailer
-
$1,344 AUD
$944 USD
Final sale: no returns
A
Retailer 2
-
$1,520 AUD
£841 GBP
View
A
Retailer 3
-
$1,622 AUD
HK$8,900 HKD
View
A
Retailer 4
-
$1,680 AUD
$1,180 USD
View
B+
Retailer 5
-
$2,107 AUD
€1,410 EUR
View
B+
Retailer 6
-
$2,126 AUD
£1,176 GBP
View
B+
Retailer 7
-
$2,239 AUD
$1,573 USD
View
B+
Retailer 8
-
$3,200 AUD
$2,248 USD
View
B
Retailer 9
-
$4,677 AUD
SGD 4,440 SGD
View
B
Retailer 10
-
$4,805 AUD
$3,376 USD
View
B
Retailer 11
-
$5,224 AUD
£2,890 GBP
View
B
Retailer 12
-
$5,238 AUD
$3,680 USD
View
Most Expensive
B
Brilliant Earth
21808178A · Oct 29
$12,910 AUD
$9,070 USD
View
12 more retailers have this diamond
Prices start from $1,344 AUDSave up to $11,567 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
6.00ct Radiant
$1,344 AUD