Radiant|Lab Grown|IGI

1.56ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG781607243

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

Certificate IGI LG781607243

Diamond specifications and retailer prices

From $463 USD
As of October 30, 2026
Save $3,647 USD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,110 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781607243 or 781607243. Listed at 12 retailers as of October 30, 2026, with prices from $463 to $4,110, a $3,647 spread on the same certified stone. Do Amore Diamonds lists it at $4,110. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781607243
Dimensions8.13 × 5.67 × 3.77 mm
L/W Ratio1.43
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
8.13 mm5.67 mm1.56 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781607243
Side View
Table 60.0%Crown 47°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,110 USD|Low: $463 USD|High: $5,530 USD|Avg: $2,214 USD|-20.8%
Do Amore Diamonds
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
October 31, 2026
Retailer 8$463 USD
Retailer 13$518 USD
Retailer 4$654 USD
Retailer 10$897 USD
Retailer 2$900 USD
Retailer 5$1,395 USD
Retailer 9$1,479 USD
Retailer 11$1,666 USD
Retailer 3$1,907 USD
Retailer 6$2,192 USD
Retailer 12$2,647 USD
Retailer 7$3,210 USD
Retailer 14$3,705 USD
Do Amore Diamonds$4,110 USD

31 data points across 14 retailers

12 retailers$463 USD to $4,110 USD

A
Cheapest Retailer
-
$463 USD
A
Retailer 2
-
$518 USD
View
A
Retailer 3
-
$654 USD
View
Final sale: no returns
A
Retailer 4
-
$897 USD
View
A
Retailer 5
-
$900 USD
View
B+
Retailer 6
-
$1,479 USD
View
B+
Retailer 7
-
$1,666 USD
View
B+
Retailer 8
-
$1,907 USD
View
B
Retailer 9
-
$2,647 USD
£2,084 GBP
View
B
Retailer 10
-
$3,210 USD
View
B
Retailer 11
-
$3,705 USD
View
Most Expensive
B
Do Amore Diamonds
27-E628F4271 · Oct 30
$4,110 USD
View
11 more retailers have this diamond
Prices start from $463 USDSave up to $3,647 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
1.56ct Radiant
$463 USD