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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 $527 NZD
$297 USD
As of October 30, 2026
Save $1,964 NZD (79%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,418 NZD 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 30, 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,418 NZD|Low: $472 NZD|High: $4,418 NZD|Avg: $1,365 NZD
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 3$472 NZD
Retailer 7$586 NZD
Retailer 11$781 NZD
Retailer 5$784 NZD
Retailer 15$790 NZD
Retailer 13$1,005 NZD
Retailer 8$1,054 NZD
Retailer 2$1,054 NZD
Retailer 10$1,105 NZD
Retailer 9$1,118 NZD
Retailer 14$1,361 NZD
Retailer 16$1,485 NZD
Retailer 6$2,134 NZD
Retailer 4$2,182 NZD
Retailer 12$2,357 NZD
Brilliant Earth$4,418 NZD

38 data points across 16 retailers

27 retailers$527 NZD to $2,491 NZD

Retailer 1
-
$472 NZD
$266 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$527 NZD
$297 USD
View
Final sale: no returns
Retailer 3
-
$546 NZD
$308 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$586 NZD
$330 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$586 NZD
$330 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$586 NZD
$330 USD
View
A
Retailer 7
-
$586 NZD
$330 USD
View
A
Retailer 8
-
$781 NZD
£346 GBP
View
B+
Retailer 9
-
$784 NZD
$442 USD
View
A
Retailer 10
-
$790 NZD
$445 USD
View
A
Retailer 11
-
$1,005 NZD
ZAR 9,153 ZAR
View
B+
Retailer 12
-
$1,054 NZD
$594 USD
View
A
Retailer 13
-
$1,054 NZD
€566 EUR
View
B+
Retailer 14
-
$1,063 NZD
$599 USD
View
B+
Retailer 15
-
$1,105 NZD
A$958 AUD
View
B+
Retailer 16
-
$1,118 NZD
£496 GBP
View
B+
Retailer 17
-
$1,361 NZD
A$1,180 AUD
View
B+
Retailer 18
-
$1,485 NZD
$837 USD
View
B
Retailer 19
-
$1,878 NZD
SGD 1,430 SGD
View
Retailer 20
-
$1,881 NZD
$1,060 USD
View
Price last confirmed 24 days ago
B
Retailer 21
-
$1,971 NZD
$1,111 USD
View
B
Retailer 22
-
$2,134 NZD
$1,203 USD
View
Retailer 23
-
$2,182 NZD
A$1,892 AUD
View
Price last confirmed 23 days ago
B
Retailer 24
-
$2,252 NZD
$1,269 USD
View
B+
Retailer 25
-
$2,357 NZD
£1,046 GBP
View
B
Retailer 26
-
$2,491 NZD
$1,404 USD
View
Most Expensive
Brilliant Earth
18980860A · Oct 16
$4,418 NZD
$2,490 USD
View
Price last confirmed 15 days ago
26 more retailers have this diamond
Prices start from $527 NZDSave up to $1,964 NZD

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
$527 NZD