Round|Lab Grown|IGI

1.55ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG783642055

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783642055

Diamond specifications and retailer prices

From $280 USD
As of October 28, 2026
Save $1,076 USD (79%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,180 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783642055 or 783642055. Listed at 26 retailers as of October 28, 2026, with a 384% 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783642055
Dimensions7.49 × 7.53 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.49 mm7.53 mm1.55 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783642055
Side View
Table 58.0%Crown 33.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

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 28
Current: $2,180 USD|Low: $251 USD|High: $2,180 USD|Avg: $664 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
Retailer 19
October 29, 2026
Retailer 4$251 USD
Retailer 11$280 USD
Retailer 9$311 USD
Retailer 19$311 USD
Retailer 6$420 USD
Retailer 15$420 USD
Retailer 12$470 USD
Retailer 14$534 USD
Retailer 5$547 USD
Retailer 13$567 USD
Retailer 10$576 USD
Retailer 2$591 USD
Retailer 18$603 USD
Retailer 16$725 USD
Retailer 3$783 USD
Retailer 8$1,132 USD
Retailer 7$1,180 USD
Retailer 17$1,248 USD
Brilliant Earth$2,180 USD

40 data points across 19 retailers

26 retailers$280 USD to $1,356 USD

A
Retailer 1
-
$251 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$280 USD
View
Final sale: no returns
A
Retailer 3
-
$291 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$311 USD
View
A
Retailer 5
-
$311 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$311 USD
View
A
Retailer 7
-
$420 USD
View
B+
Retailer 8
-
$420 USD
View
A
Retailer 9
-
$470 USD
£370 GBP
View
A
Retailer 10
-
$534 USD
ZAR 8,631 ZAR
View
A
Retailer 11
-
$547 USD
View
A
Retailer 12
-
$567 USD
€540 EUR
View
A
Retailer 13
-
$576 USD
View
B+
Retailer 14
-
$591 USD
£465 GBP
View
B+
Retailer 15
-
$603 USD
A$928 AUD
View
B+
Retailer 16
-
$725 USD
A$1,115 AUD
View
B+
Retailer 17
-
$783 USD
View
B+
Retailer 18
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$1,000 USD
View
Price last confirmed 22 days ago
B
Retailer 19
-
$1,006 USD
SGD 1,359 SGD
View
B
Retailer 20
-
$1,051 USD
View
B
Retailer 21
-
$1,132 USD
View
B+
Retailer 22
-
$1,180 USD
A$1,815 AUD
View
Price last confirmed 24 days ago
B
Retailer 23
-
$1,223 USD
View
B+
Retailer 24
-
$1,248 USD
£983 GBP
View
B
Retailer 25
-
$1,356 USD
View
Most Expensive
B
Brilliant Earth
19343907A · Oct 16
$2,180 USD
View
Price last confirmed 13 days ago
25 more retailers have this diamond
Prices start from $280 USDSave up to $1,076 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 Round
$280 USD