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Heart|Lab Grown|IGI

3.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816618506

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816618506

Diamond specifications and retailer prices

From $4,276 NZD
$2,410 USD
As of October 30, 2026
Save $13,037 NZD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $17,313 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816618506 or 816618506. Listed at 18 retailers as of October 30, 2026, with prices from $4,276 to $17,313, a $13,037 spread on the same certified stone. Taylor and Hart lists it at $17,313. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816618506
Dimensions10.06 × 9.07 × 5.79 mm
L/W Ratio1.11
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
10.06 mm9.07 mm3.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816618506
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 57.6%

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: $6,831 NZD|Low: $3,746 NZD|High: $18,949 NZD|Avg: $9,063 NZD|-7.1%
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
Retailer 16
Taylor and Hart
November 1, 2026
Retailer 6$4,276 NZD
Retailer 12$4,652 NZD
Retailer 4$4,787 NZD
Retailer 16$4,959 NZD
Retailer 3$5,115 NZD
Retailer 11$5,252 NZD
Retailer 8$5,435 NZD
Retailer 14$5,869 NZD
Retailer 7$6,817 NZD
Retailer 1$6,831 NZD
Retailer 13$7,436 NZD
Retailer 15$7,734 NZD
Retailer 9$11,517 NZD
Retailer 5$13,243 NZD
Retailer 10$13,349 NZD
Retailer 2$14,629 NZD
Taylor and Hart$17,313 NZD

44 data points across 17 retailers

18 retailers$4,276 NZD to $17,313 NZD

A
Cheapest Retailer
-
$4,276 NZD
$2,410 USD
A
Retailer 2
-
$4,652 NZD
$2,622 USD
View
A
Retailer 3
-
$4,787 NZD
$2,698 USD
View
Final sale: no returns
A
Retailer 4
-
$4,959 NZD
$2,795 USD
View
A
Retailer 5
-
$5,115 NZD
$2,883 USD
View
A
Retailer 6
-
$5,252 NZD
$2,960 USD
View
Retailer 7
-
$5,358 NZD
$3,020 USD
View
Price last confirmed 36 days ago
Retailer 8
-
$5,435 NZD
$3,063 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
$5,869 NZD
$3,308 USD
View
A
Retailer 10
-
$6,817 NZD
$3,842 USD
View
B+
Retailer 11
-
$6,831 NZD
£3,031 GBP
View
B+
Retailer 12
-
$7,436 NZD
$4,191 USD
View
B+
Retailer 13
-
$7,734 NZD
$4,359 USD
View
B+
Retailer 14
-
$11,517 NZD
ZAR 104,859 ZAR
View
B+
Retailer 15
-
$13,243 NZD
$7,464 USD
View
B+
Retailer 16
-
$13,349 NZD
£5,924 GBP
View
B
Retailer 17
-
$14,629 NZD
$8,245 USD
View
Most Expensive
B
Taylor and Hart
NP8SDHB · Oct 31
$17,313 NZD
$9,758 USD
View
17 more retailers have this diamond
Prices start from $4,276 NZDSave up to $13,037 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
$4,276 NZD