Heart|Lab Grown|IGI

1.54ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG825661189

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825661189

Diamond specifications and retailer prices

From $458 NZD
$258 USD
As of October 30, 2026
Save $1,909 NZD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,602 NZD at Brilliant Earth · As of October 13, 2026
View at Brilliant Earth

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825661189 or 825661189. Listed at 20 retailers as of October 30, 2026, with a 417% 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

1.54
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661189
Dimensions6.98 × 7.95 × 4.54 mm
L/W Ratio1.14
Girdle conditionFaceted
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
6.98 mm7.95 mm1.54 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661189
Side View
Table 62.0%Crown 36.7°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 57.1%

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: $3,602 NZD|Low: $445 NZD|High: $3,602 NZD|Avg: $1,374 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 12$458 NZD
Retailer 6$513 NZD
Retailer 4$531 NZD
Retailer 11$568 NZD
Retailer 17$568 NZD
Retailer 2$601 NZD
Retailer 16$852 NZD
Retailer 3$949 NZD
Retailer 14$981 NZD
Retailer 13$1,085 NZD
Retailer 5$1,238 NZD
Retailer 18$1,333 NZD
Retailer 20$1,435 NZD
Retailer 9$1,826 NZD
Retailer 8$1,846 NZD
Retailer 7$1,917 NZD
Retailer 19$2,037 NZD
Retailer 15$2,289 NZD
Retailer 10$2,367 NZD
Brilliant Earth$3,602 NZD

33 data points across 20 retailers

20 retailers$458 NZD to $2,367 NZD

A
Cheapest Retailer
-
$458 NZD
$258 USD
A
Retailer 2
-
$513 NZD
$289 USD
View
Final sale: no returns
A
Retailer 3
-
$531 NZD
$299 USD
View
Retailer 4
-
$568 NZD
$320 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$568 NZD
$320 USD
View
A
Retailer 6
-
$601 NZD
£267 GBP
View
A
Retailer 7
-
$852 NZD
$480 USD
View
A
Retailer 8
-
$949 NZD
$535 USD
View
A
Retailer 9
-
$981 NZD
ZAR 8,930 ZAR
View
B+
Retailer 10
-
$1,085 NZD
£481 GBP
View
B+
Retailer 11
-
$1,238 NZD
$698 USD
View
Retailer 12
-
$1,333 NZD
A$1,156 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,435 NZD
$809 USD
View
B+
Retailer 14
-
$1,826 NZD
$1,029 USD
View
B+
Retailer 15
-
$1,846 NZD
SGD 1,406 SGD
View
B+
Retailer 16
-
$1,917 NZD
$1,080 USD
View
B+
Retailer 17
-
$2,037 NZD
$1,148 USD
View
B+
Retailer 18
-
$2,289 NZD
£1,016 GBP
View
B
Retailer 19
-
$2,367 NZD
$1,334 USD
View
Most Expensive
Brilliant Earth
21589566A · Oct 13
$3,602 NZD
$2,030 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from $458 NZDSave up to $1,909 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
1.54ct Heart
$458 NZD