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Heart|Lab Grown|IGI

4.25ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784642613

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784642613

Diamond specifications and retailer prices

From $7,305 NZD
$4,117 USD
As of October 30, 2026
Save $42,943 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $50,248 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.25ct lab-grown heart diamond

This 4.25ct 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 LG784642613 or 784642613. Listed at 12 retailers as of October 30, 2026, with prices from $7,305 to $50,248, a $42,943 spread on the same certified stone. Do Amore Diamonds lists it at $50,248. 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

4.25
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642613
Dimensions11.06 × 9.82 × 6.72 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.06 mm9.82 mm4.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642613
Side View
Table 58.0%Crown 34.3°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $50,248 NZD|Low: $7,241 NZD|High: $56,529 NZD|Avg: $18,230 NZD|-11.1%
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
November 1, 2026
Retailer 12$7,305 NZD
Retailer 3$7,686 NZD
Retailer 8$7,881 NZD
Retailer 9$8,561 NZD
Retailer 10$8,563 NZD
Retailer 4$9,666 NZD
Retailer 14$11,072 NZD
Retailer 7$11,687 NZD
Retailer 2$13,117 NZD
Retailer 5$18,450 NZD
Retailer 13$19,550 NZD
Retailer 11$27,963 NZD
Retailer 6$28,210 NZD
Do Amore Diamonds$50,248 NZD

30 data points across 14 retailers

12 retailers$7,305 NZD to $50,248 NZD

A
Cheapest Retailer
-
$7,305 NZD
$4,117 USD
A
Retailer 2
-
$7,686 NZD
$4,332 USD
View
A
Retailer 3
-
$7,881 NZD
$4,442 USD
View
A
Retailer 4
-
$8,561 NZD
$4,825 USD
View
A
Retailer 5
-
$8,563 NZD
$4,826 USD
View
A
Retailer 6
-
$9,666 NZD
$5,448 USD
View
Final sale: no returns
A
Retailer 7
-
$11,072 NZD
$6,240 USD
View
A
Retailer 8
-
$11,687 NZD
$6,587 USD
View
A
Retailer 9
-
$13,117 NZD
$7,393 USD
View
B+
Retailer 10
-
$19,550 NZD
£8,676 GBP
View
B+
Retailer 11
-
$27,963 NZD
$15,760 USD
View
Most Expensive
B
Do Amore Diamonds
27-0B1D1C700 · Nov 1
$50,248 NZD
$28,320 USD
View
11 more retailers have this diamond
Prices start from $7,305 NZDSave up to $42,943 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
4.25ct Heart
$7,305 NZD