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Heart|Lab Grown|IGI

3.03ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG839665233

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839665233

Diamond specifications and retailer prices

From $4,734 NZD
$2,668 USD
As of October 31, 2026
Save $13,666 NZD (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $18,399 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.03ct lab-grown heart diamond

This 3.03ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839665233 or 839665233. Listed at 7 retailers as of October 31, 2026, with prices from $4,734 to $18,399, a $13,666 spread on the same certified stone. Do Amore Diamonds lists it at $18,399. 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

3.03
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839665233
Dimensions9.06 × 10.01 × 5.81 mm
L/W Ratio1.10
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
9.06 mm10.01 mm3.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839665233
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 39.3°CuletDepth 58.0%

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 31
Current: $18,399 NZD|Low: $4,384 NZD|High: $19,056 NZD|Avg: $7,942 NZD|-3.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$4,734 NZD
Retailer 2$5,989 NZD
Retailer 4$8,567 NZD
Do Amore Diamonds$18,399 NZD

14 data points across 4 retailers

7 retailers$4,734 NZD to $18,399 NZD

Retailer 1
-
$1,744 NZD
$983 USD
Price last confirmed 31 days ago
Retailer 2
-
$1,968 NZD
$1,109 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$3,951 NZD
$2,227 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$4,734 NZD
$2,668 USD
View
A
Retailer 5
-
$5,989 NZD
A$5,193 AUD
View
B+
Retailer 6
-
$8,567 NZD
£3,802 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5628292CF · Nov 2
$18,399 NZD
$10,370 USD
View
6 more retailers have this diamond
Prices start from $4,734 NZDSave up to $13,666 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
3.03ct Heart
$4,734 NZD