Radiant|Lab Grown|IGI

1.40ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG762545712

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

Certificate IGI LG762545712

Diamond specifications and retailer prices

From $819 USD
HK$6,400 HKD
As of October 30, 2026
Save $3,321 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,140 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.4ct lab-grown radiant diamond

This 1.4ct 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 LG762545712 or 762545712. Listed at 13 retailers as of October 29, 2026, with prices from $819 to $4,140, a $3,321 spread on the same certified stone. Brilliant Earth lists it at $4,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545712
Dimensions7.92 × 5.61 × 3.60 mm
L/W Ratio1.41
Culet sizePointed
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
7.92 mm5.61 mm1.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545712
Side View
Table 64.0%Crown 39.9°Girdle: STK-THKPavilion 33.9°Culet: NoneDepth 64.2%

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: $4,140 USD|Low: $819 USD|High: $4,270 USD|Avg: $1,897 USD|-3.0%
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
October 30, 2026
Retailer 4$819 USD
Retailer 10$823 USD
Retailer 13$830 USD
Retailer 3$925 USD
Retailer 9$1,001 USD
Retailer 2$1,015 USD
Retailer 7$1,125 USD
Retailer 12$1,540 USD
Retailer 5$2,244 USD
Retailer 11$2,642 USD
Retailer 6$2,747 USD
Retailer 8$3,105 USD
Brilliant Earth$4,140 USD

42 data points across 13 retailers

13 retailers$819 USD to $4,140 USD

A
Cheapest Retailer
-
$819 USD
HK$6,400 HKD
A
Retailer 2
-
$823 USD
View
A
Retailer 3
-
$830 USD
View
A
Retailer 4
-
$925 USD
View
B+
Retailer 5
-
$1,001 USD
€953 EUR
View
B+
Retailer 6
-
$1,015 USD
£799 GBP
View
B+
Retailer 7
-
$1,125 USD
ZAR 18,170 ZAR
View
B+
Retailer 8
-
$1,540 USD
View
B
Retailer 9
-
$2,244 USD
View
B
Retailer 10
-
$2,642 USD
View
B
Retailer 11
-
$2,747 USD
£2,163 GBP
View
Retailer 12
-
$3,105 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
19646879Y · Oct 29
$4,140 USD
View
12 more retailers have this diamond
Prices start from $819 USDSave up to $3,321 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
1.40ct Radiant
$819 USD