Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG799643840

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

Certificate IGI LG799643840

Diamond specifications and retailer prices

From $262 USD
As of October 30, 2026
Save $1,588 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,750 USD at Brilliant Earth · As of September 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799643840 or 799643840. Listed at 20 retailers as of October 30, 2026, with a 606% 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
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799643840
Dimensions7.11 × 5.20 × 3.29 mm
L/W Ratio1.37
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
7.11 mm5.20 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799643840
Side View
Table 68.0%Crown 39.8°Girdle: MediumPavilion 34.8°Culet: NoneDepth 63.3%

Caratlytics Score

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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 30
Current: $1,850 USD|Low: $212 USD|High: $2,750 USD|Avg: $883 USD|-32.7%
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
November 1, 2026
Retailer 9$212 USD
Retailer 3$262 USD
Retailer 8$376 USD
Retailer 15$493 USD
Retailer 12$500 USD
Retailer 10$505 USD
Retailer 13$524 USD
Retailer 2$545 USD
Retailer 7$570 USD
Retailer 17$580 USD
Retailer 5$818 USD
Retailer 14$939 USD
Retailer 16$988 USD
Retailer 4$1,064 USD
Retailer 11$1,173 USD
Brilliant Earth$1,850 USD
Retailer 6$2,175 USD

31 data points across 17 retailers

20 retailers$262 USD to $1,850 USD

A
Cheapest Retailer
-
$262 USD
Final sale: no returns
Retailer 2
-
$291 USD
View
Price last confirmed 29 days ago
Retailer 3
-
$352 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$376 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$493 USD
View
A
Retailer 6
-
$500 USD
ZAR 8,082 ZAR
View
A
Retailer 7
-
$505 USD
€481 EUR
View
A
Retailer 8
-
$524 USD
View
A
Retailer 9
-
$545 USD
£430 GBP
View
A
Retailer 10
-
$580 USD
View
B+
Retailer 11
-
$818 USD
SGD 1,106 SGD
View
Retailer 12
-
$880 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$939 USD
View
B+
Retailer 14
-
$988 USD
View
B+
Retailer 15
-
$1,064 USD
View
B
Retailer 16
-
$1,173 USD
£924 GBP
View
Retailer 17
-
$1,209 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
$1,850 USD
View
Retailer 19
-
$2,175 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
20484398A · Sep 28
$2,750 USD
View
Price last confirmed 33 days ago
19 more retailers have this diamond
Prices start from $262 USDSave up to $1,588 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
$262 USD