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Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG621406407

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

Certificate IGI LG621406407

Diamond specifications and retailer prices

From $231 USD
As of October 30, 2026
Save $2,219 USD (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,450 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG621406407 or 621406407. Listed at 21 retailers as of October 30, 2026, with prices from $231 to $2,450, a $2,219 spread on the same certified stone. Do Amore Diamonds lists it at $2,450. 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 angle45.3°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621406407
Dimensions8.12 × 5.77 × 3.77 mm
L/W Ratio1.41
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
8.12 mm5.77 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621406407
Side View
Table 64.0%Crown 45.3°Girdle: MED-STKPavilion 33.2°Culet: NoneDepth 65.3%

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: $2,220 USD|Low: $230 USD|High: $2,220 USD|Avg: $788 USD
Do Amore Diamonds
Retailer 2
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Retailer 20
November 1, 2026
Retailer 5$231 USD
Retailer 7$258 USD
Retailer 20$268 USD
Retailer 18$286 USD
Retailer 19$286 USD
Retailer 17$486 USD
Retailer 6$513 USD
Retailer 15$543 USD
Retailer 2$557 USD
Retailer 14$603 USD
Retailer 3$615 USD
Retailer 16$737 USD
Retailer 8$924 USD
Retailer 11$1,016 USD
Retailer 10$1,098 USD
Retailer 4$1,186 USD
Retailer 9$1,221 USD
Retailer 12$1,321 USD
Retailer 13$1,730 USD
Do Amore Diamonds$2,220 USD

40 data points across 20 retailers

21 retailers$231 USD to $2,450 USD

A
Cheapest Retailer
-
$231 USD
A
Retailer 2
-
$258 USD
View
Final sale: no returns
A
Retailer 3
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$268 USD
View
Retailer 4
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$286 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$286 USD
View
A
Retailer 6
-
$486 USD
View
Retailer 7
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$513 USD
€489 EUR
View
Price last confirmed 9 days ago
A
Retailer 8
-
$543 USD
ZAR 8,776 ZAR
View
A
Retailer 9
-
$557 USD
View
A
Retailer 10
-
$603 USD
£475 GBP
View
A
Retailer 11
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$615 USD
View
A
Retailer 12
-
$737 USD
A$1,134 AUD
View
B+
Retailer 13
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$924 USD
View
B+
Retailer 14
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$1,016 USD
View
B+
Retailer 15
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$1,098 USD
View
B
Retailer 16
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$1,186 USD
View
B+
Retailer 17
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$1,221 USD
SGD 1,650 SGD
View
Retailer 18
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$1,321 USD
£1,040 GBP
View
Price last confirmed 14 days ago
B
Retailer 19
-
$1,730 USD
View
B
Retailer 20
-
$2,220 USD
View
Most Expensive
B
Do Amore Diamonds
23-621406407 · Oct 31
$2,450 USD
View
20 more retailers have this diamond
Prices start from $231 USDSave up to $2,219 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
$231 USD