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Round|Lab Grown|IGI

1.55ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG770649193

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770649193

Diamond specifications and retailer prices

From $266 USD
As of October 29, 2026
Save $1,170 USD (81%) vs most expensive(unlock to see where)
25 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 LG770649193 or 770649193. Listed at 25 retailers as of October 27, 2026, with a 440% 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 angle35.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770649193
Dimensions7.41 × 7.44 × 4.60 mm
L/W Ratio1.00
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
7.41 mm7.44 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770649193
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

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 29
Current: $2,490 USD|Low: $266 USD|High: $2,490 USD|Avg: $717 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
October 29, 2026
Retailer 6$266 USD
Retailer 3$308 USD
Retailer 7$330 USD
Retailer 15$330 USD
Retailer 9$441 USD
Retailer 13$445 USD
Retailer 11$567 USD
Retailer 10$596 USD
Retailer 5$623 USD
Retailer 2$630 USD
Retailer 12$767 USD
Retailer 4$837 USD
Retailer 8$1,328 USD
Retailer 14$1,436 USD
Brilliant Earth$2,490 USD

24 data points across 15 retailers

25 retailers$266 USD to $1,436 USD

A
Cheapest Retailer
-
$266 USD
A
Retailer 2
-
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$308 USD
View
A
Retailer 4
-
$330 USD
View
A
Retailer 5
-
$330 USD
View
A
Retailer 6
-
$441 USD
£347 GBP
View
B+
Retailer 7
-
$442 USD
View
A
Retailer 8
-
$445 USD
View
A
Retailer 9
-
$567 USD
ZAR 9,153 ZAR
View
A
Retailer 10
-
$594 USD
View
A
Retailer 11
-
$596 USD
€568 EUR
View
B+
Retailer 12
-
$599 USD
View
B+
Retailer 13
-
$623 USD
A$958 AUD
View
B+
Retailer 14
-
$630 USD
£496 GBP
View
B+
Retailer 15
-
$767 USD
A$1,180 AUD
View
B+
Retailer 16
-
$837 USD
View
B
Retailer 17
-
$1,058 USD
SGD 1,430 SGD
View
B
Retailer 18
-
$1,111 USD
View
B
Retailer 19
-
$1,203 USD
View
Retailer 20
-
$1,230 USD
A$1,892 AUD
View
Price last confirmed 29 days ago
B
Retailer 21
-
$1,269 USD
View
B+
Retailer 22
-
$1,328 USD
£1,046 GBP
View
B
Retailer 23
-
$1,404 USD
View
B
Retailer 24
-
$1,436 USD
View
Most Expensive
Brilliant Earth
18437401A · Oct 16
$2,490 USD
View
Price last confirmed 13 days ago
24 more retailers have this diamond
Prices start from $266 USDSave up to $1,170 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
$266 USD