Radiant|Lab Grown|IGI

1.33ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799639117

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

Certificate IGI LG799639117

Diamond specifications and retailer prices

From $339 USD
As of October 30, 2026
Save $2,181 USD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,080 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799639117 or 799639117. Listed at 21 retailers as of October 30, 2026, with a 643% 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

1.33
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799639117
Dimensions7.60 × 5.49 × 3.76 mm
L/W Ratio1.38
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
7.60 mm5.49 mm1.33 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799639117
Side View
Table 66.0%Crown 41.9°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 68.5%

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: $2,520 USD|Low: $312 USD|High: $4,080 USD|Avg: $1,200 USD|-38.2%
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
October 30, 2026
Retailer 9$339 USD
Retailer 8$489 USD
Retailer 16$505 USD
Retailer 13$571 USD
Retailer 10$594 USD
Retailer 11$600 USD
Retailer 2$610 USD
Retailer 4$658 USD
Retailer 15$917 USD
Retailer 12$1,063 USD
Retailer 6$1,104 USD
Retailer 14$1,163 USD
Retailer 7$1,308 USD
Retailer 3$1,388 USD
Brilliant Earth$2,520 USD
Retailer 5$3,005 USD

32 data points across 16 retailers

21 retailers$339 USD to $2,520 USD

A
Cheapest Retailer
-
$339 USD
Final sale: no returns
Retailer 2
-
$378 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$441 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$489 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$505 USD
View
A
Retailer 6
-
$571 USD
View
A
Retailer 7
-
$594 USD
ZAR 9,603 ZAR
View
A
Retailer 8
-
$600 USD
View
A
Retailer 9
-
$610 USD
£480 GBP
View
A
Retailer 10
-
$658 USD
€627 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$917 USD
View
B+
Retailer 12
-
$1,063 USD
View
Retailer 13
-
$1,075 USD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
$1,104 USD
View
B+
Retailer 15
-
$1,163 USD
View
B+
Retailer 16
-
$1,308 USD
SGD 1,768 SGD
View
B+
Retailer 17
-
$1,388 USD
£1,093 GBP
View
Retailer 18
-
$1,570 USD
View
Price last confirmed 30 days ago
B
Retailer 19
-
$2,520 USD
View
Retailer 20
-
$3,005 USD
View
Price last confirmed 16 days ago
Most Expensive
Brilliant Earth
20484758A · Sep 28
$4,080 USD
View
Price last confirmed 32 days ago
20 more retailers have this diamond
Prices start from $339 USDSave up to $2,181 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
1.33ct Radiant
$339 USD