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Heart|Lab Grown|IGI

4.29ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG800677281

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800677281

Diamond specifications and retailer prices

From $7,370 NZD
$4,154 USD
As of October 30, 2026
Save $43,552 NZD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $50,922 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.29ct lab-grown heart diamond

This 4.29ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800677281 or 800677281. Listed at 12 retailers as of October 30, 2026, with prices from $7,370 to $50,922, a $43,552 spread on the same certified stone. Do Amore Diamonds lists it at $50,922. 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

4.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677281
Dimensions11.11 × 9.70 × 6.69 mm
L/W Ratio1.15
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
11.11 mm9.70 mm4.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677281
Side View
Table 59.0%Crown 36.7°Girdle: THK-VTKPavilion 40.3°Culet: NoneDepth 60.2%

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: $50,922 NZD|Low: $7,370 NZD|High: $57,044 NZD|Avg: $18,532 NZD|-10.7%
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
Retailer 13
Retailer 14
October 31, 2026
Retailer 8$7,370 NZD
Retailer 3$7,755 NZD
Retailer 11$7,983 NZD
Retailer 14$8,676 NZD
Retailer 2$8,706 NZD
Retailer 4$9,752 NZD
Retailer 12$11,171 NZD
Retailer 13$11,842 NZD
Retailer 10$13,291 NZD
Retailer 5$18,612 NZD
Retailer 9$19,726 NZD
Retailer 7$28,229 NZD
Retailer 6$28,474 NZD
Do Amore Diamonds$50,922 NZD

28 data points across 14 retailers

12 retailers$7,370 NZD to $50,922 NZD

A
Cheapest Retailer
-
$7,370 NZD
$4,154 USD
A
Retailer 2
-
$7,755 NZD
$4,371 USD
View
A
Retailer 3
-
$7,983 NZD
$4,499 USD
View
A
Retailer 4
-
$8,676 NZD
$4,890 USD
View
A
Retailer 5
-
$8,706 NZD
$4,907 USD
View
A
Retailer 6
-
$9,752 NZD
$5,496 USD
View
Final sale: no returns
A
Retailer 7
-
$11,171 NZD
$6,296 USD
View
A
Retailer 8
-
$11,842 NZD
$6,674 USD
View
A
Retailer 9
-
$13,291 NZD
$7,491 USD
View
B+
Retailer 10
-
$19,726 NZD
£8,754 GBP
View
B+
Retailer 11
-
$28,229 NZD
$15,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-C03A24A2E · Oct 30
$50,922 NZD
$28,700 USD
View
11 more retailers have this diamond
Prices start from $7,370 NZDSave up to $43,552 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
4.29ct Heart
$7,370 NZD