Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG685577864

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

Certificate IGI LG685577864

Diamond specifications and retailer prices

From $239 USD
As of November 4, 2026
Save $2,701 USD (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,030 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 LG685577864 or 685577864. Listed at 20 retailers as of November 3, 2026, with a 1130% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle43.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685577864
Dimensions8.12 × 5.66 × 3.85 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.12 mm5.66 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685577864
Side View
Table 64.0%Crown 43.6°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,030 USD|Low: $239 USD|High: $3,030 USD|Avg: $896 USD
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 11$239 USD
Retailer 13$267 USD
Retailer 18$277 USD
Retailer 4$298 USD
Retailer 9$298 USD
Retailer 17$397 USD
Retailer 10$540 USD
Retailer 8$547 USD
Retailer 6$570 USD
Retailer 2$619 USD
Retailer 3$769 USD
Retailer 16$837 USD
Retailer 14$1,051 USD
Retailer 7$1,218 USD
Retailer 12$1,219 USD
Retailer 5$1,325 USD
Retailer 15$2,310 USD
Brilliant Earth$3,030 USD

23 data points across 18 retailers

20 retailers$239 USD to $2,940 USD

A+
Cheapest Retailer
-
$239 USD
A
Retailer 2
-
$267 USD
View
Final sale: no returns
A
Retailer 3
-
$277 USD
View
Retailer 4
-
$298 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$298 USD
View
B+
Retailer 6
-
$397 USD
View
A
Retailer 7
-
$547 USD
View
A
Retailer 8
-
$570 USD
View
A
Retailer 9
-
$619 USD
View
B+
Retailer 10
-
$769 USD
View
B+
Retailer 11
-
$837 USD
View
B+
Retailer 12
-
$1,051 USD
View
B
Retailer 13
-
$1,200 USD
View
B+
Retailer 14
-
$1,218 USD
View
B+
Retailer 15
-
$1,219 USD
View
B+
Retailer 16
-
$1,325 USD
View
Retailer 17
-
$1,371 USD
View
Price last confirmed 17 days ago
B
Retailer 18
-
$2,310 USD
View
B
Retailer 19
-
$2,940 USD
View
Most Expensive
Brilliant Earth
14384747Y · Oct 16
$3,030 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from $239 USDSave up to $2,701 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
$239 USD