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Heart|Lab Grown|IGI

4.55ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG844686451

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844686451

Diamond specifications and retailer prices

From $1,393 NZD
£617 GBP
As of November 1, 2026
Save $9,804 NZD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,197 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.55ct lab-grown heart diamond

This 4.55ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844686451 or 844686451. Listed at 13 retailers as of October 31, 2026, with prices from $1,393 to $11,197, a $9,804 spread on the same certified stone. Do Amore Diamonds lists it at $11,197. 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

4.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844686451
Dimensions11.87 × 10.39 × 6.41 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.87 mm10.39 mm4.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844686451
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 37°Culet: NoneDepth 54.0%

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 1
Current: $11,197 NZD|Low: $1,393 NZD|High: $11,197 NZD|Avg: $4,150 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5$1,393 NZD
Retailer 11$1,671 NZD
Retailer 12$2,002 NZD
Retailer 9$2,376 NZD
Retailer 10$2,790 NZD
Retailer 7$3,460 NZD
Retailer 8$3,604 NZD
Retailer 4$5,780 NZD
Retailer 3$5,788 NZD
Retailer 2$6,054 NZD
Retailer 6$6,303 NZD
Do Amore Diamonds$11,197 NZD

10 data points across 12 retailers

13 retailers$1,393 NZD to $11,197 NZD

A
Cheapest Retailer
-
$1,393 NZD
£617 GBP
A
Retailer 2
-
$1,671 NZD
$940 USD
View
A
Retailer 3
-
$2,002 NZD
HK$8,800 HKD
View
B+
Retailer 4
-
$2,376 NZD
$1,337 USD
View
A
Retailer 5
-
$2,790 NZD
$1,570 USD
View
B+
Retailer 6
-
$3,460 NZD
A$2,995 AUD
View
B+
Retailer 7
-
$3,604 NZD
$2,028 USD
View
B
Retailer 8
-
$5,788 NZD
SGD 4,401 SGD
View
B
Retailer 9
-
$6,054 NZD
£2,682 GBP
View
B
Retailer 10
-
$6,303 NZD
A$5,456 AUD
View
B
Retailer 11
-
$9,526 NZD
$5,360 USD
View
Retailer 12
-
$9,580 NZD
$5,390 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-ABCC856BC · Oct 31
$11,197 NZD
$6,300 USD
View
12 more retailers have this diamond
Prices start from $1,393 NZDSave up to $9,804 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
4.55ct Heart
$1,393 NZD