Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG668432661

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

Certificate IGI LG668432661

Diamond specifications and retailer prices

From $263 USD
As of October 30, 2026
Save $1,144 USD (81%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $1,407 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 LG668432661 or 668432661. Listed at 29 retailers as of October 30, 2026, with prices from $263 to $1,407, a $1,144 spread on the same certified stone. Diamond Quarter lists it at $1,407. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668432661
Dimensions5.81 × 5.81 × 3.84 mm
L/W Ratio1.00
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
5.81 mm5.81 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668432661
Side View
Table 63.0%Crown 41°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $540 USD|Low: $263 USD|High: $1,394 USD|Avg: $805 USD|-1.0%
Retailer 1
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Retailer 20
October 31, 2026
Retailer 2$263 USD
Retailer 12$307 USD
Retailer 9$384 USD
Retailer 3$460 USD
Retailer 15$485 USD
Retailer 1$540 USD
Retailer 17$560 USD
Retailer 7$590 USD
Retailer 14$623 USD
Retailer 5$708 USD
Retailer 8$723 USD
Retailer 18$758 USD
Retailer 20$1,001 USD
Retailer 13$1,067 USD
Retailer 10$1,099 USD
Retailer 11$1,099 USD
Retailer 6$1,282 USD
Retailer 19$1,313 USD
Retailer 16$1,316 USD
Retailer 4$1,394 USD

37 data points across 20 retailers

29 retailers$263 USD to $1,407 USD

A
Cheapest Retailer
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$263 USD
Retailer 2
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$263 USD
View
Price last confirmed 23 days ago
Retailer 3
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$272 USD
View
Price last confirmed 31 days ago
A
Retailer 4
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$307 USD
View
Final sale: no returns
Retailer 5
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$316 USD
View
Price last confirmed 34 days ago
Retailer 6
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$326 USD
View
Price last confirmed 28 days ago
Retailer 7
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$333 USD
View
Price last confirmed 32 days ago
A
Retailer 8
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$384 USD
HK$3,000 HKD
View
B+
Retailer 9
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$460 USD
View
A
Retailer 10
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$485 USD
View
A
Retailer 11
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$540 USD
€514 EUR
View
A
Retailer 12
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$560 USD
ZAR 9,044 ZAR
View
A
Retailer 13
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$590 USD
View
A
Retailer 14
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$623 USD
£491 GBP
View
B+
Retailer 15
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$708 USD
View
Retailer 16
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$723 USD
View
Price last confirmed 7 days ago
B+
Retailer 17
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$758 USD
A$1,166 AUD
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B+
Retailer 18
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$1,001 USD
View
B+
Retailer 19
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$1,047 USD
View
Retailer 20
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$1,047 USD
View
Price last confirmed 21 days ago
B+
Retailer 21
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$1,067 USD
View
Retailer 22
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$1,084 USD
View
Price last confirmed 31 days ago
B+
Retailer 23
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$1,099 USD
View
B+
Retailer 24
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$1,099 USD
SGD 1,485 SGD
View
B
Retailer 25
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$1,282 USD
View
Retailer 26
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$1,313 USD
£1,034 GBP
View
Price last confirmed 13 days ago
B
Retailer 27
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$1,316 USD
A$2,024 AUD
View
B
Retailer 28
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$1,394 USD
View
Most Expensive
B
Diamond Quarter
1.55VVS1DLG61B055N · Oct 31
$1,407 USD
£1,108 GBP
View
28 more retailers have this diamond
Prices start from $263 USDSave up to $1,144 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
$263 USD