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Heart|Lab Grown|IGI

4.18ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG741530128

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG741530128

Diamond specifications and retailer prices

From $3,590 NZD
$2,020 USD
As of November 2, 2026
Save $9,812 NZD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $24,704 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown heart diamond

This 4.18ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG741530128 or 741530128. Listed at 17 retailers as of October 27, 2026, with a 273% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.18
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741530128
Dimensions9.88 × 11.29 × 6.32 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm11.29 mm4.18 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741530128
Side View
Table 59.0%Crown 37.3°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 56.0%

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: Nov 2
Current: $24,704 NZD|Low: $3,487 NZD|High: $24,704 NZD|Avg: $9,203 NZD
Do Amore Diamonds
Retailer 2
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Retailer 27
November 2, 2026
Retailer 12$3,588 NZD
Retailer 5$3,590 NZD
Retailer 10$3,667 NZD
Retailer 21$3,907 NZD
Retailer 4$4,118 NZD
Retailer 6$4,230 NZD
Retailer 17$4,300 NZD
Retailer 26$4,461 NZD
Retailer 13$4,786 NZD
Retailer 8$5,399 NZD
Retailer 14$5,726 NZD
Retailer 20$5,753 NZD
Retailer 23$5,851 NZD
Retailer 25$6,318 NZD
Retailer 3$6,679 NZD
Retailer 2$7,840 NZD
Retailer 24$9,848 NZD
Retailer 16$10,693 NZD
Retailer 11$12,414 NZD
Retailer 22$12,473 NZD
Retailer 19$13,031 NZD
Retailer 7$13,402 NZD
Retailer 9$16,234 NZD
Retailer 15$19,472 NZD
Retailer 18$19,710 NZD
Retailer 27$20,743 NZD
Do Amore Diamonds$24,704 NZD

16 data points across 27 retailers

17 retailers$3,590 NZD to $13,402 NZD

A
Cheapest Retailer
-
$3,590 NZD
$2,020 USD
Retailer 2
-
$3,667 NZD
$2,063 USD
View
Price last confirmed 36 days ago
B+
Retailer 3
-
$3,907 NZD
$2,198 USD
View
B+
Retailer 4
-
$4,118 NZD
$2,317 USD
View
B+
Retailer 5
-
$4,230 NZD
$2,380 USD
View
Retailer 6
-
$4,300 NZD
HK$18,900 HKD
View
Price last confirmed 33 days ago
B+
Retailer 7
-
$4,461 NZD
$2,510 USD
View
B+
Retailer 8
-
$4,786 NZD
£2,120 GBP
View
B+
Retailer 9
-
$5,851 NZD
$3,292 USD
View
B
Retailer 10
-
$6,318 NZD
$3,555 USD
View
B
Retailer 11
-
$6,679 NZD
$3,758 USD
View
B
Retailer 12
-
$7,840 NZD
CA$6,126 CAD
View
B
Retailer 13
-
$9,848 NZD
A$8,525 AUD
View
B
Retailer 14
-
$12,473 NZD
£5,526 GBP
View
B
Retailer 15
-
$13,402 NZD
$7,541 USD
View
Retailer 16
-
$20,743 NZD
$11,671 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-227A6C0AA · Nov 2
$24,704 NZD
$13,900 USD
View
Price under review
16 more retailers have this diamond
Prices start from $3,590 NZDSave up to $9,812 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
4.18ct Heart
$3,590 NZD