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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 $1,365 SGD
£841 GBP
As of October 27, 2026
Save $5,474 SGD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,839 SGD 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 $1,365 to $6,839, a $5,474 spread on the same certified stone. Brilliant Earth lists it at $6,839. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $6,839 SGD|Low: $1,207 SGD|High: $11,685 SGD|Avg: $4,586 SGD|-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$1,207 SGD
Retailer 11$1,365 SGD
Retailer 2$1,391 SGD
Retailer 10$1,509 SGD
Retailer 6$1,815 SGD
Retailer 12$1,909 SGD
Retailer 4$2,011 SGD
Retailer 8$2,630 SGD
Retailer 7$4,022 SGD
Retailer 5$4,316 SGD
Retailer 13$4,692 SGD
Retailer 9$4,705 SGD
Brilliant Earth$6,839 SGD

29 data points across 13 retailers

12 retailers$1,365 SGD to $6,839 SGD

A
Cheapest Retailer
-
$1,365 SGD
£841 GBP
A
Retailer 2
-
$1,391 SGD
HK$8,500 HKD
View
A
Retailer 3
-
$1,509 SGD
$1,180 USD
View
B+
Retailer 4
-
$1,815 SGD
€1,352 EUR
View
B+
Retailer 5
-
$1,909 SGD
£1,176 GBP
View
B+
Retailer 6
-
$2,011 SGD
$1,573 USD
View
B+
Retailer 7
-
$2,630 SGD
$2,057 USD
View
B
Retailer 8
-
$4,022 SGD
View
B
Retailer 9
-
$4,316 SGD
$3,376 USD
View
B
Retailer 10
-
$4,692 SGD
£2,890 GBP
View
B
Retailer 11
-
$4,705 SGD
$3,680 USD
View
Most Expensive
B
Brilliant Earth
21808178A · Oct 31
$6,839 SGD
$5,350 USD
View
11 more retailers have this diamond
Prices start from $1,365 SGDSave up to $5,474 SGD

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
$1,365 SGD