Radiant|Lab Grown|IGI

1.03ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG779645252

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

Certificate IGI LG779645252

Diamond specifications and retailer prices

From $215 USD
As of October 30, 2026
Save $1,025 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,710 USD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG779645252 or 779645252. Listed at 22 retailers as of October 30, 2026, with a 477% 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

1.03
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779645252
Dimensions7.31 × 4.93 × 3.35 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm4.93 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779645252
Side View
Table 65.0%Crown 44.1°Girdle: MediumPavilion 37.4°Culet: NoneDepth 68.0%

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: $1,710 USD|Low: $170 USD|High: $1,710 USD|Avg: $593 USD
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 3$215 USD
Retailer 15$239 USD
Retailer 6$249 USD
Retailer 4$266 USD
Retailer 7$266 USD
Retailer 16$429 USD
Retailer 2$457 USD
Retailer 13$457 USD
Retailer 10$493 USD
Retailer 9$501 USD
Retailer 14$651 USD
Retailer 5$856 USD
Retailer 17$858 USD
Retailer 12$894 USD
Retailer 8$1,036 USD
Retailer 11$1,072 USD
Brilliant Earth$1,710 USD

45 data points across 17 retailers

22 retailers$215 USD to $1,240 USD

A
Cheapest Retailer
-
$215 USD
A
Retailer 2
-
$239 USD
View
Final sale: no returns
A
Retailer 3
-
$249 USD
View
A
Retailer 4
-
$266 USD
View
A
Retailer 5
-
$266 USD
View
A
Retailer 6
-
$294 USD
HK$2,300 HKD
View
A
Retailer 7
-
$429 USD
€409 EUR
View
A
Retailer 8
-
$457 USD
View
A
Retailer 9
-
$457 USD
ZAR 7,386 ZAR
View
A
Retailer 10
-
$493 USD
£388 GBP
View
A
Retailer 11
-
$501 USD
View
A
Retailer 12
-
$585 USD
View
B+
Retailer 13
-
$651 USD
A$1,001 AUD
View
B+
Retailer 14
-
$722 USD
SGD 975 SGD
View
B+
Retailer 15
-
$856 USD
View
B+
Retailer 16
-
$858 USD
View
B+
Retailer 17
-
$894 USD
A$1,375 AUD
View
B+
Retailer 18
-
$908 USD
View
B
Retailer 19
-
$1,036 USD
£816 GBP
View
B+
Retailer 20
-
$1,072 USD
£844 GBP
View
B
Retailer 21
-
$1,240 USD
View
Most Expensive
Brilliant Earth
18018351A · Oct 22
$1,710 USD
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from $215 USDSave up to $1,025 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
1.03ct Radiant
$215 USD