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Heart|Lab Grown|IGI

3.00ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG799638257

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799638257

Diamond specifications and retailer prices

From $6,132 NZD
$3,450 USD
As of November 2, 2026
Save $15,225 NZD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $21,357 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3ct lab-grown heart diamond

This 3ct 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 LG799638257 or 799638257. Listed at 6 retailers as of October 31, 2026, with prices from $6,132 to $21,357, a $15,225 spread on the same certified stone. Taylor and Hart lists it at $21,357. 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

3.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799638257
Dimensions9.86 × 9.65 × 5.59 mm
L/W Ratio1.02
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
9.86 mm9.65 mm3.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799638257
Side View
Table 55.0%Crown 34.7°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 56.7%

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: Nov 2
Current: $8,290 NZD|Low: $5,970 NZD|High: $21,357 NZD|Avg: $11,113 NZD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 2, 2026
Retailer 5$6,132 NZD
Retailer 4$6,226 NZD
Retailer 1$8,290 NZD
Retailer 3$8,766 NZD
Retailer 2$15,550 NZD
Taylor and Hart$21,357 NZD

39 data points across 6 retailers

6 retailers$6,132 NZD to $21,357 NZD

A
Cheapest Retailer
-
$6,132 NZD
$3,450 USD
A
Retailer 2
-
$6,226 NZD
$3,503 USD
View
B+
Retailer 3
-
$8,290 NZD
£3,673 GBP
View
B+
Retailer 4
-
$8,766 NZD
$4,932 USD
View
B+
Retailer 5
-
$15,550 NZD
£6,889 GBP
View
Most Expensive
B
Taylor and Hart
532MIOF · Oct 31
$21,357 NZD
$12,017 USD
View
5 more retailers have this diamond
Prices start from $6,132 NZDSave up to $15,225 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
3.00ct Heart
$6,132 NZD