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Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG744522378

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

Certificate IGI LG744522378

Diamond specifications and retailer prices

From $240 USD
As of October 27, 2026
Save $2,122 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,362 USD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG744522378 or 744522378. Listed at 15 retailers as of October 27, 2026, with prices from $240 to $2,362, a $2,122 spread on the same certified stone. Frank Darling lists it at $2,362. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744522378
Dimensions7.89 × 5.83 × 3.90 mm
L/W Ratio1.35
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
7.89 mm5.83 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744522378
Side View
Table 63.0%Crown 46°Girdle: MED-STKPavilionCulet: NoneDepth 66.9%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $2,362 USD|Low: $236 USD|High: $3,120 USD|Avg: $1,022 USD|-5.4%
Frank Darling
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 29, 2026
Retailer 14$240 USD
Retailer 15$268 USD
Retailer 13$278 USD
Retailer 4$366 USD
Retailer 17$401 USD
Retailer 8$495 USD
Retailer 5$531 USD
Retailer 3$549 USD
Retailer 12$762 USD
Retailer 6$845 USD
Retailer 10$1,054 USD
Retailer 7$1,189 USD
Retailer 2$1,321 USD
Retailer 11$1,495 USD
Retailer 9$1,970 USD
Retailer 16$2,300 USD
Frank Darling$2,362 USD

32 data points across 17 retailers

15 retailers$240 USD to $2,362 USD

A+
Cheapest Retailer
-
$240 USD
A
Retailer 2
-
$268 USD
View
Final sale: no returns
A
Retailer 3
-
$278 USD
View
A
Retailer 4
-
$366 USD
View
B+
Retailer 5
-
$401 USD
View
A
Retailer 6
-
$531 USD
€506 EUR
View
A
Retailer 7
-
$549 USD
View
B+
Retailer 8
-
$762 USD
A$1,173 AUD
View
B+
Retailer 9
-
$845 USD
View
B+
Retailer 10
-
$1,054 USD
View
B+
Retailer 11
-
$1,189 USD
View
B+
Retailer 12
-
$1,321 USD
£1,040 GBP
View
B+
Retailer 13
-
$1,495 USD
View
B
Retailer 14
-
$2,300 USD
View
Most Expensive
B
Frank Darling
VL-93253GR · Oct 29
$2,362 USD
View
14 more retailers have this diamond
Prices start from $240 USDSave up to $2,122 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+
1.55ct Radiant
$240 USD