Radiant|Lab Grown|IGI

1.03ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG800681299

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

Certificate IGI LG800681299

Diamond specifications and retailer prices

From $351 USD
As of October 27, 2026
Save $1,829 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,180 USD at Brilliant Earth · As of October 28, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800681299 or 800681299. Listed at 18 retailers as of October 27, 2026, with prices from $351 to $2,180, a $1,829 spread on the same certified stone. Brilliant Earth lists it at $2,180. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800681299
Dimensions7.17 × 4.97 × 3.30 mm
L/W Ratio1.44
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
7.17 mm4.97 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800681299
Side View
Table 63.0%Crown 44.6°Girdle: MED-STKPavilion 32.9°Culet: NoneDepth 66.4%

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: $2,180 USD|Low: $280 USD|High: $2,180 USD|Avg: $1,027 USD
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 14$351 USD
Retailer 17$393 USD
Retailer 5$436 USD
Retailer 9$633 USD
Retailer 4$635 USD
Retailer 10$671 USD
Retailer 6$699 USD
Retailer 16$730 USD
Retailer 12$749 USD
Retailer 2$781 USD
Retailer 3$1,123 USD
Retailer 11$1,442 USD
Retailer 8$1,549 USD
Retailer 13$1,677 USD
Retailer 15$1,707 USD
Retailer 7$1,985 USD
Brilliant Earth$2,180 USD

33 data points across 17 retailers

18 retailers$351 USD to $2,180 USD

A
Cheapest Retailer
-
$351 USD
A
Retailer 2
-
$393 USD
View
Final sale: no returns
A
Retailer 3
-
$436 USD
View
A
Retailer 4
-
$436 USD
View
B+
Retailer 5
-
$633 USD
View
B+
Retailer 6
-
$635 USD
View
B+
Retailer 7
-
$671 USD
View
B+
Retailer 8
-
$699 USD
View
B+
Retailer 9
-
$730 USD
€695 EUR
View
B+
Retailer 10
-
$749 USD
ZAR 12,097 ZAR
View
B+
Retailer 11
-
$781 USD
£615 GBP
View
B
Retailer 12
-
$1,123 USD
View
B
Retailer 13
-
$1,442 USD
View
B
Retailer 14
-
$1,581 USD
View
B
Retailer 15
-
$1,677 USD
View
B
Retailer 16
-
$1,707 USD
£1,344 GBP
View
B
Retailer 17
-
$1,985 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
21384645A · Oct 28
$2,180 USD
View
17 more retailers have this diamond
Prices start from $351 USDSave up to $1,829 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
$351 USD