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Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816615690

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

Certificate IGI LG816615690

Diamond specifications and retailer prices

From $369 SGD
£227 GBP
As of October 29, 2026
Save $2,451 SGD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,820 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615690 or 816615690. Listed at 8 retailers as of October 29, 2026, with prices from $369 to $2,820, a $2,451 spread on the same certified stone. Brilliant Earth lists it at $2,820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615690
Dimensions6.96 × 5.10 × 3.38 mm
L/W Ratio1.36
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.96 mm5.10 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615690
Side View
Table 64.0%Crown 24.7°Girdle: Slightly ThickPavilion 35.4°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 29
Current: $2,820 SGD|Low: $315 SGD|High: $2,935 SGD|Avg: $1,269 SGD|-3.9%
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
Retailer 15
October 29, 2026
Retailer 5$315 SGD
Retailer 2$369 SGD
Retailer 10$546 SGD
Retailer 3$743 SGD
Retailer 15$811 SGD
Retailer 6$816 SGD
Retailer 14$846 SGD
Retailer 9$1,014 SGD
Retailer 13$1,195 SGD
Retailer 4$1,379 SGD
Retailer 11$1,392 SGD
Retailer 7$1,637 SGD
Retailer 8$2,435 SGD
Retailer 12$2,531 SGD
Brilliant Earth$2,820 SGD

19 data points across 15 retailers

8 retailers$369 SGD to $2,820 SGD

A
Cheapest Retailer
-
$369 SGD
£227 GBP
A
Retailer 2
-
$546 SGD
$426 USD
View
B+
Retailer 3
-
$1,014 SGD
$791 USD
View
B+
Retailer 4
-
$1,195 SGD
$932 USD
View
B+
Retailer 5
-
$1,392 SGD
£855 GBP
View
B
Retailer 6
-
$2,435 SGD
$1,900 USD
View
Retailer 7
-
$2,531 SGD
$1,975 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21730922Y · Oct 29
$2,820 SGD
$2,200 USD
View
7 more retailers have this diamond
Prices start from $369 SGDSave up to $2,451 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
1.05ct Radiant
$369 SGD