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Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG728564950

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

Certificate IGI LG728564950

Diamond specifications and retailer prices

From $237 USD
As of November 2, 2026
Save $2,125 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,362 USD at Frank Darling · As of November 2, 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 LG728564950 or 728564950. Listed at 15 retailers as of November 2, 2026, with prices from $237 to $2,362, a $2,125 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 angle45.5°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728564950
Dimensions8.26 × 5.71 × 3.79 mm
L/W Ratio1.45
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
8.26 mm5.71 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728564950
Side View
Table 66.0%Crown 45.5°Girdle: MediumPavilion 34.6°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: $2,362 USD|Low: $236 USD|High: $2,362 USD|Avg: $1,059 USD|-0.0%
Frank Darling
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
Retailer 15
November 2, 2026
Retailer 8$237 USD
Retailer 9$266 USD
Retailer 10$275 USD
Retailer 11$363 USD
Retailer 13$399 USD
Retailer 3$520 USD
Retailer 5$762 USD
Retailer 2$837 USD
Retailer 14$1,044 USD
Retailer 7$1,166 USD
Retailer 4$1,321 USD
Retailer 6$1,495 USD
Retailer 15$1,730 USD
Retailer 12$2,280 USD
Frank Darling$2,362 USD

34 data points across 15 retailers

15 retailers$237 USD to $2,362 USD

A
Cheapest Retailer
-
$237 USD
A
Retailer 2
-
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$275 USD
View
A
Retailer 4
-
$363 USD
View
B+
Retailer 5
-
$399 USD
View
A
Retailer 6
-
$520 USD
€495 EUR
View
B+
Retailer 7
-
$762 USD
A$1,173 AUD
View
B+
Retailer 8
-
$837 USD
View
B+
Retailer 9
-
$1,044 USD
View
B+
Retailer 10
-
$1,166 USD
View
B+
Retailer 11
-
$1,321 USD
£1,040 GBP
View
B+
Retailer 12
-
$1,495 USD
View
B
Retailer 13
-
$1,730 USD
View
B
Retailer 14
-
$2,280 USD
View
Most Expensive
B
Frank Darling
MR-65463GR · Nov 2
$2,362 USD
View
14 more retailers have this diamond
Prices start from $237 USDSave up to $2,125 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
$237 USD