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Heart|Lab Grown|IGI

5.06ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG621481106

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621481106

Diamond specifications and retailer prices

From $10,399 NZD
$5,861 USD
As of October 26, 2026
Save $29,936 NZD (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $40,335 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.06ct lab-grown heart diamond

This 5.06ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621481106 or 621481106. Listed at 20 retailers as of October 26, 2026, with prices from $10,399 to $40,335, a $29,936 spread on the same certified stone. Taylor and Hart lists it at $40,335. 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

5.06
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621481106
Dimensions12.04 × 12.04 × 11.00 mm
L/W Ratio1.00
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
12.04 mm12.04 mm5.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621481106
Side View
Table 65.0%Crown 37.1°Girdle: MediumPavilion 39.4°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 26
Current: $23,705 NZD|Low: $5,302 NZD|High: $40,335 NZD|Avg: $15,679 NZD|-27.8%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 7$7,583 NZD
Retailer 6$10,399 NZD
Retailer 5$10,632 NZD
Retailer 12$11,017 NZD
Retailer 3$11,418 NZD
Retailer 9$14,648 NZD
Retailer 14$16,128 NZD
Retailer 4$17,654 NZD
Retailer 10$18,865 NZD
Retailer 15$21,542 NZD
Retailer 8$23,183 NZD
Retailer 11$23,345 NZD
Retailer 1$23,705 NZD
Retailer 2$30,912 NZD
Retailer 13$31,739 NZD
Taylor and Hart$40,335 NZD

38 data points across 16 retailers

20 retailers$10,399 NZD to $40,335 NZD

Retailer 1
-
$6,629 NZD
$3,736 USD
Price last confirmed 22 days ago
Retailer 2
-
$7,213 NZD
$4,065 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$7,690 NZD
$4,334 USD
View
Price last confirmed 27 days ago
Retailer 4
-
$9,610 NZD
$5,416 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$10,399 NZD
$5,861 USD
View
A
Retailer 6
-
$10,632 NZD
$5,992 USD
View
A
Retailer 7
-
$11,017 NZD
$6,209 USD
View
Final sale: no returns
A
Retailer 8
-
$11,418 NZD
$6,435 USD
View
A
Retailer 9
-
$14,648 NZD
£6,501 GBP
View
A
Retailer 10
-
$16,128 NZD
$9,090 USD
View
A
Retailer 11
-
$17,654 NZD
$9,950 USD
View
A
Retailer 12
-
$18,865 NZD
€10,126 EUR
View
A
Retailer 13
-
$20,431 NZD
$11,515 USD
View
A
Retailer 14
-
$21,542 NZD
$12,141 USD
View
A
Retailer 15
-
$23,183 NZD
ZAR 211,086 ZAR
View
A
Retailer 16
-
$23,345 NZD
£10,360 GBP
View
A
Retailer 17
-
$23,705 NZD
$13,360 USD
View
B+
Retailer 18
-
$30,912 NZD
$17,422 USD
View
B+
Retailer 19
-
$31,739 NZD
$17,888 USD
View
Most Expensive
B+
Taylor and Hart
O0ZG7HK · Oct 30
$40,335 NZD
$22,733 USD
View
19 more retailers have this diamond
Prices start from $10,399 NZDSave up to $29,936 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
5.06ct Heart
$10,399 NZD