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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 $379 AUD
$266 USD
As of October 29, 2026
Save $1,620 AUD (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,545 AUD 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 29, 2026, with a 428% 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,545 AUD|Low: $379 AUD|High: $3,545 AUD|Avg: $1,036 AUD
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 31, 2026
Retailer 7$379 AUD
Retailer 5$470 AUD
Retailer 8$470 AUD
Retailer 10$540 AUD
Retailer 12$626 AUD
Retailer 4$634 AUD
Retailer 16$807 AUD
Retailer 15$849 AUD
Retailer 9$886 AUD
Retailer 13$897 AUD
Retailer 3$1,092 AUD
Retailer 6$1,192 AUD
Retailer 2$1,509 AUD
Retailer 11$1,781 AUD
Retailer 14$1,891 AUD
Brilliant Earth$3,545 AUD

25 data points across 16 retailers

25 retailers$379 AUD to $1,999 AUD

A
Cheapest Retailer
-
$379 AUD
$266 USD
A
Retailer 2
-
$423 AUD
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$470 AUD
$330 USD
View
A
Retailer 4
-
$470 AUD
$330 USD
View
A
Retailer 5
-
$540 AUD
$379 USD
View
A
Retailer 6
-
$626 AUD
£346 GBP
View
B+
Retailer 7
-
$629 AUD
$442 USD
View
A
Retailer 8
-
$634 AUD
$445 USD
View
A
Retailer 9
-
$807 AUD
ZAR 9,153 ZAR
View
A
Retailer 10
-
$846 AUD
$594 USD
View
A
Retailer 11
-
$849 AUD
€568 EUR
View
B+
Retailer 12
-
$853 AUD
$599 USD
View
B+
Retailer 13
-
$886 AUD
View
B+
Retailer 14
-
$897 AUD
£496 GBP
View
B+
Retailer 15
-
$1,092 AUD
View
B+
Retailer 16
-
$1,192 AUD
$837 USD
View
B
Retailer 17
-
$1,506 AUD
SGD 1,430 SGD
View
B+
Retailer 18
-
$1,509 AUD
$1,060 USD
View
B
Retailer 19
-
$1,582 AUD
$1,111 USD
View
B
Retailer 20
-
$1,713 AUD
$1,203 USD
View
B
Retailer 21
-
$1,781 AUD
View
B
Retailer 22
-
$1,807 AUD
$1,269 USD
View
B+
Retailer 23
-
$1,891 AUD
£1,046 GBP
View
B
Retailer 24
-
$1,999 AUD
$1,404 USD
View
Most Expensive
Brilliant Earth
18437401A · Oct 16
$3,545 AUD
$2,490 USD
View
Price last confirmed 14 days ago
24 more retailers have this diamond
Prices start from $379 AUDSave up to $1,620 AUD

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
$379 AUD