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Heart|Lab Grown|IGI

4.33ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811635663

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811635663

Diamond specifications and retailer prices

From $7,436 NZD
$4,191 USD
As of October 30, 2026
Save $43,717 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $51,153 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.33ct lab-grown heart diamond

This 4.33ct 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 LG811635663 or 811635663. Listed at 12 retailers as of October 30, 2026, with prices from $7,436 to $51,153, a $43,717 spread on the same certified stone. Do Amore Diamonds lists it at $51,153. 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

4.33
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635663
Dimensions10.95 × 10.30 × 6.73 mm
L/W Ratio1.06
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
10.95 mm10.30 mm4.33 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635663
Side View
Table 57.0%Crown 34.7°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 61.5%

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: $51,153 NZD|Low: $7,436 NZD|High: $57,541 NZD|Avg: $18,372 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
November 1, 2026
Retailer 13$7,436 NZD
Retailer 4$7,825 NZD
Retailer 8$8,020 NZD
Retailer 9$8,712 NZD
Retailer 10$8,852 NZD
Retailer 3$11,270 NZD
Retailer 7$11,897 NZD
Retailer 6$13,350 NZD
Retailer 11$16,428 NZD
Retailer 5$18,785 NZD
Retailer 2$19,712 NZD
Retailer 12$28,495 NZD
Do Amore Diamonds$51,153 NZD

31 data points across 13 retailers

12 retailers$7,436 NZD to $51,153 NZD

A
Cheapest Retailer
-
$7,436 NZD
$4,191 USD
A
Retailer 2
-
$7,825 NZD
$4,410 USD
View
A
Retailer 3
-
$8,020 NZD
$4,520 USD
View
A
Retailer 4
-
$8,712 NZD
$4,910 USD
View
A
Retailer 5
-
$8,852 NZD
$4,989 USD
View
A
Retailer 6
-
$11,270 NZD
$6,352 USD
View
A
Retailer 7
-
$11,897 NZD
$6,705 USD
View
A
Retailer 8
-
$13,350 NZD
$7,524 USD
View
A
Retailer 9
-
$16,428 NZD
€8,818 EUR
View
B+
Retailer 10
-
$19,712 NZD
£8,748 GBP
View
B+
Retailer 11
-
$28,495 NZD
$16,060 USD
View
Most Expensive
B
Do Amore Diamonds
27-673761281 · Nov 1
$51,153 NZD
$28,830 USD
View
11 more retailers have this diamond
Prices start from $7,436 NZDSave up to $43,717 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
4.33ct Heart
$7,436 NZD