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Radiant|Lab Grown|IGI

1.40ct G IF Radiant Lab Grown Diamond

EX • G/IF • IGI LG786671238

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

Certificate IGI LG786671238

Diamond specifications and retailer prices

From $190 USD
As of November 2, 2026
Save $1,630 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,820 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786671238 or 786671238. Listed at 19 retailers as of November 2, 2026, with prices from $190 to $1,820, a $1,630 spread on the same certified stone. Do Amore Diamonds lists it at $1,820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786671238
Dimensions8.04 × 5.54 × 3.68 mm
L/W Ratio1.45
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
8.04 mm5.54 mm1.40 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786671238
Side View
Table 65.0%Crown 42.6°Girdle: Slightly ThickPavilion 34.1°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: Nov 2
Current: $1,820 USD|Low: $190 USD|High: $1,820 USD|Avg: $694 USD
Do Amore Diamonds
Retailer 2
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Retailer 19
November 3, 2026
Retailer 3$190 USD
Retailer 8$211 USD
Retailer 19$220 USD
Retailer 4$235 USD
Retailer 14$289 USD
Retailer 10$413 USD
Retailer 15$448 USD
Retailer 2$479 USD
Retailer 6$564 USD
Retailer 12$635 USD
Retailer 13$663 USD
Retailer 7$736 USD
Retailer 5$835 USD
Retailer 9$1,007 USD
Retailer 16$1,040 USD
Retailer 11$1,046 USD
Retailer 18$1,720 USD
Retailer 17$1,790 USD
Do Amore Diamonds$1,820 USD

35 data points across 19 retailers

19 retailers$190 USD to $1,820 USD

A
Cheapest Retailer
-
$190 USD
A
Retailer 2
-
$211 USD
View
Final sale: no returns
A
Retailer 3
-
$220 USD
View
A
Retailer 4
-
$235 USD
View
A
Retailer 5
-
$289 USD
£228 GBP
View
B+
Retailer 6
-
$413 USD
View
A
Retailer 7
-
$448 USD
ZAR 7,241 ZAR
View
A
Retailer 8
-
$479 USD
£377 GBP
View
A
Retailer 9
-
$564 USD
View
A
Retailer 10
-
$635 USD
A$977 AUD
View
B+
Retailer 11
-
$663 USD
View
A
Retailer 12
-
$736 USD
View
A
Retailer 13
-
$835 USD
View
B+
Retailer 14
-
$1,007 USD
View
B+
Retailer 15
-
$1,040 USD
£819 GBP
View
B+
Retailer 16
-
$1,046 USD
SGD 1,414 SGD
View
B
Retailer 17
-
$1,720 USD
View
B
Retailer 18
-
$1,790 USD
View
Most Expensive
B
Do Amore Diamonds
27-49CF31561 · Nov 2
$1,820 USD
View
18 more retailers have this diamond
Prices start from $190 USDSave up to $1,630 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
$190 USD