Radiant|Lab Grown|IGI

1.25ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799644036

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

Certificate IGI LG799644036

Diamond specifications and retailer prices

From $330 USD
£260 GBP
As of November 1, 2026
Save $1,920 USD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,415 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.25ct lab-grown radiant diamond

This 1.25ct 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 LG799644036 or 799644036. Listed at 8 retailers as of November 1, 2026, with a 582% 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

1.25
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799644036
Dimensions7.48 × 5.12 × 3.74 mm
L/W Ratio1.46
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
7.48 mm5.12 mm1.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799644036
Side View
Table 67.0%Crown 28.7°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 73.0%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: $2,415 USD|Low: $265 USD|High: $3,220 USD|Avg: $1,107 USD|+5.3%
Rare Carat
Retailer 2
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Retailer 17
November 1, 2026
Retailer 5$265 USD
Retailer 9$299 USD
Retailer 2$330 USD
Retailer 13$491 USD
Retailer 4$673 USD
Retailer 7$752 USD
Retailer 3$770 USD
Retailer 17$816 USD
Retailer 8$857 USD
Retailer 16$905 USD
Retailer 12$936 USD
Retailer 15$1,082 USD
Retailer 14$1,285 USD
Retailer 6$1,535 USD
Retailer 10$1,960 USD
Retailer 11$2,250 USD
Rare Carat$2,415 USD

20 data points across 17 retailers

8 retailers$330 USD to $2,250 USD

A+
Cheapest Retailer
-
$330 USD
£260 GBP
A
Retailer 2
-
$491 USD
View
B+
Retailer 3
-
$936 USD
View
B+
Retailer 4
-
$1,082 USD
View
B+
Retailer 5
-
$1,285 USD
£1,012 GBP
View
B
Retailer 6
-
$1,960 USD
View
B
Retailer 7
-
$2,250 USD
View
Most Expensive
Rare Carat
MR-205299 · Oct 18
$2,415 USD
View
Price last confirmed 13 days ago
7 more retailers have this diamond
Prices start from $330 USDSave up to $1,920 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+
1.25ct Radiant
$330 USD