Radiant|Lab Grown|IGI

1.16ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG617486308

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

Certificate IGI LG617486308

Diamond specifications and retailer prices

From $149 USD
As of October 30, 2026
Save $1,281 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,430 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617486308 or 617486308. Listed at 12 retailers as of October 29, 2026, with prices from $149 to $1,430, a $1,281 spread on the same certified stone. Do Amore Diamonds lists it at $1,430. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.16
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617486308
Dimensions7.34 × 5.13 × 3.43 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.34 mm5.13 mm1.16 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617486308
Side View
Table 65.0%Crown 46.9°Girdle: MED-STKPavilion 33.9°Culet: NoneDepth 66.9%

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 30
Current: $1,430 USD|Low: $118 USD|High: $1,430 USD|Avg: $550 USD|+0.7%
Do Amore Diamonds
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
Retailer 16
October 30, 2026
Retailer 11$149 USD
Retailer 3$167 USD
Retailer 15$173 USD
Retailer 2$266 USD
Retailer 6$335 USD
Retailer 14$339 USD
Retailer 5$392 USD
Retailer 7$472 USD
Retailer 8$495 USD
Retailer 16$565 USD
Retailer 10$628 USD
Retailer 13$656 USD
Retailer 4$790 USD
Retailer 9$956 USD
Retailer 12$1,040 USD
Do Amore Diamonds$1,430 USD

38 data points across 16 retailers

12 retailers$149 USD to $1,430 USD

A
Cheapest Retailer
-
$149 USD
A
Retailer 2
-
$167 USD
View
Final sale: no returns
A
Retailer 3
-
$173 USD
View
A
Retailer 4
-
$266 USD
£209 GBP
View
B+
Retailer 5
-
$339 USD
View
B+
Retailer 6
-
$565 USD
View
B+
Retailer 7
-
$628 USD
View
B+
Retailer 8
-
$656 USD
View
B
Retailer 9
-
$790 USD
View
B
Retailer 10
-
$956 USD
£753 GBP
View
B
Retailer 11
-
$1,040 USD
View
Most Expensive
B
Do Amore Diamonds
27-D64C21554 · Oct 29
$1,430 USD
View
11 more retailers have this diamond
Prices start from $149 USDSave up to $1,281 USD

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
1.16ct Radiant
$149 USD