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Heart|Lab Grown|IGI

5.04ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG516258543

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG516258543

Diamond specifications and retailer prices

From $2,603 NZD
$1,467 USD
As of October 30, 2026
Save $8,057 NZD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $13,431 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.04ct lab-grown heart diamond

This 5.04ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG516258543 or 516258543. Listed at 23 retailers as of October 30, 2026, with a 310% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516258543
Dimensions11.79 × 10.43 × 6.77 mm
L/W Ratio1.13
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
11.79 mm10.43 mm5.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516258543
Side View
Table 64.5%Crown 38.1°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $13,431 NZD|Low: $2,603 NZD|High: $27,854 NZD|Avg: $7,735 NZD|-1.8%
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
October 31, 2026
Retailer 10$2,603 NZD
Retailer 8$3,327 NZD
Retailer 12$3,345 NZD
Retailer 14$3,542 NZD
Retailer 4$3,679 NZD
Retailer 9$4,097 NZD
Retailer 2$4,228 NZD
Retailer 11$4,560 NZD
Retailer 13$5,481 NZD
Retailer 7$8,671 NZD
Retailer 5$10,632 NZD
Retailer 3$10,660 NZD
Retailer 6$12,367 NZD
Brilliant Earth$13,431 NZD

39 data points across 14 retailers

23 retailers$2,603 NZD to $10,660 NZD

B+
Cheapest Retailer
-
$2,603 NZD
$1,467 USD
Retailer 2
-
$2,603 NZD
$1,467 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$2,603 NZD
$1,467 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$3,020 NZD
$1,702 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$3,020 NZD
$1,702 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$3,327 NZD
$1,875 USD
View
B+
Retailer 7
-
$3,345 NZD
$1,885 USD
View
Final sale: no returns
B+
Retailer 8
-
$3,542 NZD
$1,996 USD
View
B+
Retailer 9
-
$3,679 NZD
HK$16,200 HKD
View
B+
Retailer 10
-
$4,097 NZD
$2,309 USD
View
B+
Retailer 11
-
$4,228 NZD
£1,876 GBP
View
B
Retailer 12
-
$4,560 NZD
$2,570 USD
View
B
Retailer 13
-
$5,481 NZD
$3,089 USD
View
B
Retailer 14
-
$5,660 NZD
$3,190 USD
View
Retailer 15
-
$5,660 NZD
$3,190 USD
View
Price last confirmed 21 days ago
Retailer 16
-
$6,675 NZD
$3,762 USD
View
Price last confirmed 31 days ago
Retailer 17
-
$6,996 NZD
$3,943 USD
View
Price last confirmed 33 days ago
Retailer 18
-
$7,637 NZD
$4,304 USD
View
Price last confirmed 34 days ago
B
Retailer 19
-
$8,671 NZD
£3,848 GBP
View
Retailer 20
-
$9,677 NZD
$5,454 USD
View
Price last confirmed 31 days ago
B
Retailer 21
-
$10,632 NZD
$5,992 USD
View
B
Retailer 22
-
$10,660 NZD
SGD 8,119 SGD
View
Most Expensive
Brilliant Earth
5511980A · Oct 30
$13,431 NZD
$7,570 USD
View
Price under review
22 more retailers have this diamond
Prices start from $2,603 NZDSave up to $8,057 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.

B+
5.04ct Heart
$2,603 NZD