Radiant|Lab Grown|IGI

1.56ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG784646379

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

Certificate IGI LG784646379

Diamond specifications and retailer prices

From $534 USD
As of October 30, 2026
Save $4,206 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,740 USD at Do Amore Diamonds · As of October 31, 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 very-good cut grade and certified by IGI LG784646379 or 784646379. Listed at 14 retailers as of October 30, 2026, with prices from $534 to $4,740, a $4,206 spread on the same certified stone. Do Amore Diamonds lists it at $4,740. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.56
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646379
Dimensions8.28 × 5.72 × 3.79 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
8.28 mm5.72 mm1.56 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646379
Side View
Table 59.0%Crown 41.2°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 66.3%

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: $4,740 USD|Low: $534 USD|High: $5,540 USD|Avg: $2,026 USD|-14.4%
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
November 1, 2026
Retailer 9$534 USD
Retailer 14$598 USD
Retailer 6$710 USD
Retailer 11$793 USD
Retailer 4$795 USD
Retailer 5$914 USD
Retailer 10$1,024 USD
Retailer 7$1,173 USD
Retailer 12$1,709 USD
Retailer 13$1,923 USD
Retailer 2$3,174 USD
Retailer 8$3,360 USD
Retailer 3$3,705 USD
Do Amore Diamonds$4,740 USD

32 data points across 14 retailers

14 retailers$534 USD to $4,740 USD

A
Cheapest Retailer
-
$534 USD
A
Retailer 2
-
$598 USD
View
A
Retailer 3
-
$710 USD
View
Final sale: no returns
A
Retailer 4
-
$793 USD
View
A
Retailer 5
-
$795 USD
View
A
Retailer 6
-
$914 USD
View
B+
Retailer 7
-
$1,024 USD
View
B+
Retailer 8
-
$1,173 USD
€1,117 EUR
View
B+
Retailer 9
-
$1,709 USD
View
B
Retailer 10
-
$1,923 USD
View
B
Retailer 11
-
$3,174 USD
£2,499 GBP
View
B
Retailer 12
-
$3,360 USD
View
B
Retailer 13
-
$3,705 USD
View
Most Expensive
B
Do Amore Diamonds
27-359F47FD7 · Oct 31
$4,740 USD
View
13 more retailers have this diamond
Prices start from $534 USDSave up to $4,206 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
$534 USD