Radiant|Lab Grown|IGI

1.04ct E I1 Radiant Lab Grown Diamond

ID • E/I1 • IGI LG681503740

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

Certificate IGI LG681503740

Diamond specifications and retailer prices

From $140 USD
As of October 27, 2026
Save $447 USD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $804 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.04ct lab-grown radiant diamond

This 1.04ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG681503740 or 681503740. Listed at 10 retailers as of October 26, 2026, with a 319% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Color
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681503740
Dimensions6.83 × 5.00 × 3.55 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm5.00 mm1.04 ctE / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681503740
Side View
Table 64.0%Crown 49.9°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 71.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $804 USD|Low: $131 USD|High: $1,429 USD|Avg: $391 USD|-43.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$140 USD
Retailer 5$162 USD
Retailer 2$171 USD
Retailer 4$173 USD
Retailer 6$317 USD
Retailer 7$324 USD
Retailer 3$354 USD
Retailer 11$419 USD
Retailer 9$556 USD
Retailer 8$587 USD
MOH London$804 USD

23 data points across 11 retailers

10 retailers$140 USD to $587 USD

B+
Cheapest Retailer
-
$140 USD
B+
Retailer 2
-
$162 USD
View
B+
Retailer 3
-
$171 USD
View
B+
Retailer 4
-
$173 USD
View
B+
Retailer 5
-
$317 USD
€302 EUR
View
B+
Retailer 6
-
$324 USD
View
B+
Retailer 7
-
$419 USD
View
B+
Retailer 8
-
$556 USD
View
B
Retailer 9
-
$587 USD
View
Most Expensive
B
MOH London
LG681503740 · Oct 21
$804 USD
£633 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $140 USDSave up to $447 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.

B+
1.04ct Radiant
$140 USD