Radiant|Lab Grown|IGI

0.55ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG754571918

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

Certificate IGI LG754571918

Diamond specifications and retailer prices

From $178 USD
As of October 30, 2026
Save $965 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,143 USD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 0.55ct lab-grown radiant diamond

This 0.55ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754571918 or 754571918. Listed at 22 retailers as of October 30, 2026, with prices from $178 to $1,143, a $965 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,143. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.55
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754571918
Dimensions5.88 × 4.04 × 2.80 mm
L/W Ratio1.46
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
5.88 mm4.04 mm0.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754571918
Side View
Table 64.0%Crown 40.4°Girdle: MediumPavilion 38.4°Culet: NoneDepth 69.3%

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: $1,143 USD|Low: $170 USD|High: $1,143 USD|Avg: $428 USD
Flawless Fine Jewelry
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 13$178 USD
Retailer 6$199 USD
Retailer 3$220 USD
Retailer 4$220 USD
Retailer 11$245 USD
Retailer 14$298 USD
Retailer 7$395 USD
Retailer 2$400 USD
Retailer 8$408 USD
Retailer 5$442 USD
Retailer 10$561 USD
Retailer 12$747 USD
Retailer 9$1,035 USD
Flawless Fine Jewelry$1,143 USD

45 data points across 14 retailers

22 retailers$178 USD to $1,143 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$199 USD
View
Final sale: no returns
A
Retailer 3
-
$206 USD
View
Retailer 4
-
$220 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$220 USD
View
A
Retailer 6
-
$243 USD
HK$1,900 HKD
View
A
Retailer 7
-
$245 USD
View
A
Retailer 8
-
$298 USD
View
B+
Retailer 9
-
$395 USD
£311 GBP
View
B+
Retailer 10
-
$400 USD
ZAR 6,460 ZAR
View
B+
Retailer 11
-
$408 USD
€389 EUR
View
B+
Retailer 12
-
$442 USD
View
B
Retailer 13
-
$561 USD
A$863 AUD
View
B
Retailer 14
-
$601 USD
SGD 812 SGD
View
B
Retailer 15
-
$708 USD
View
B
Retailer 16
-
$731 USD
View
B
Retailer 17
-
$747 USD
View
B
Retailer 18
-
$762 USD
View
B
Retailer 19
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$902 USD
£710 GBP
View
B
Retailer 20
-
$1,035 USD
£815 GBP
View
B
Retailer 21
-
$1,122 USD
View
Most Expensive
B
Flawless Fine Jewelry
624DAC728 · Oct 31
$1,143 USD
£900 GBP
View
21 more retailers have this diamond
Prices start from $178 USDSave up to $965 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
0.55ct Radiant
$178 USD