Round|Lab Grown|IGI

1.55ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG788621145

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621145

Diamond specifications and retailer prices

From $297 USD
As of October 28, 2026
Save $1,107 USD (79%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,490 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788621145 or 788621145. Listed at 27 retailers as of October 28, 2026, with a 373% 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
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621145
Dimensions7.48 × 7.44 × 4.55 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
7.48 mm7.44 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621145
Side View
Table 59.0%Crown 34.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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: $2,490 USD|Low: $266 USD|High: $2,490 USD|Avg: $772 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
October 30, 2026
Retailer 3$266 USD
Retailer 7$330 USD
Retailer 10$441 USD
Retailer 5$442 USD
Retailer 14$445 USD
Retailer 12$567 USD
Retailer 8$594 USD
Retailer 11$596 USD
Retailer 16$623 USD
Retailer 2$630 USD
Retailer 13$767 USD
Retailer 15$837 USD
Retailer 6$1,203 USD
Retailer 4$1,230 USD
Retailer 9$1,328 USD
Brilliant Earth$2,490 USD

39 data points across 16 retailers

27 retailers$297 USD to $1,404 USD

Retailer 1
-
$266 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$297 USD
View
Final sale: no returns
Retailer 3
-
$308 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$330 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$330 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$330 USD
View
A
Retailer 7
-
$330 USD
View
A
Retailer 8
-
$441 USD
£347 GBP
View
B+
Retailer 9
-
$442 USD
View
A
Retailer 10
-
$445 USD
View
A
Retailer 11
-
$567 USD
ZAR 9,153 ZAR
View
B+
Retailer 12
-
$594 USD
View
A
Retailer 13
-
$596 USD
€568 EUR
View
B+
Retailer 14
-
$599 USD
View
B+
Retailer 15
-
$623 USD
A$958 AUD
View
B+
Retailer 16
-
$630 USD
£496 GBP
View
B+
Retailer 17
-
$767 USD
A$1,180 AUD
View
B+
Retailer 18
-
$837 USD
View
B
Retailer 19
-
$1,058 USD
SGD 1,430 SGD
View
Retailer 20
-
$1,060 USD
View
Price last confirmed 22 days ago
B
Retailer 21
-
$1,111 USD
View
B
Retailer 22
-
$1,203 USD
View
Retailer 23
-
$1,230 USD
A$1,892 AUD
View
Price last confirmed 21 days ago
B
Retailer 24
-
$1,269 USD
View
B+
Retailer 25
-
$1,328 USD
£1,046 GBP
View
B
Retailer 26
-
$1,404 USD
View
Most Expensive
Brilliant Earth
18980860A · Oct 16
$2,490 USD
View
Price last confirmed 13 days ago
26 more retailers have this diamond
Prices start from $297 USDSave up to $1,107 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
$297 USD