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Heart|Lab Grown|IGI

3.09ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG823673551

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823673551

Diamond specifications and retailer prices

From $2,468 NZD
As of November 3, 2026
Save $15,952 NZD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,420 NZD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown heart diamond

This 3.09ct 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 LG823673551 or 823673551. Listed at 11 retailers as of November 3, 2026, with prices from $2,468 to $18,420, a $15,952 spread on the same certified stone. Do Amore Diamonds lists it at $18,420. 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

3.09
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823673551
Dimensions10.10 × 9.04 × 5.80 mm
L/W Ratio1.12
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
10.10 mm9.04 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823673551
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 57.4%

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 3
Current: $18,420 NZD|Low: $2,153 NZD|High: $22,118 NZD|Avg: $7,178 NZD|+6.0%
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
Retailer 15
November 3, 2026
Retailer 7$2,153 NZD
Retailer 2$2,468 NZD
Retailer 3$2,521 NZD
Retailer 12$2,747 NZD
Retailer 14$3,506 NZD
Retailer 15$3,536 NZD
Retailer 8$4,687 NZD
Retailer 4$4,740 NZD
Retailer 5$5,594 NZD
Retailer 10$5,994 NZD
Retailer 13$7,290 NZD
Retailer 9$8,527 NZD
Retailer 6$11,694 NZD
Retailer 11$15,931 NZD
Do Amore Diamonds$18,420 NZD

24 data points across 15 retailers

11 retailers$2,468 NZD to $18,420 NZD

A
Cheapest Retailer
-
$2,468 NZD
A
Retailer 2
-
$2,521 NZD
View
Final sale: no returns
A
Retailer 3
-
$2,747 NZD
View
A
Retailer 4
-
$3,506 NZD
View
A
Retailer 5
-
$3,536 NZD
View
A
Retailer 6
-
$4,687 NZD
View
A
Retailer 7
-
$5,994 NZD
View
B+
Retailer 8
-
$7,290 NZD
View
B+
Retailer 9
-
$8,527 NZD
View
B
Retailer 10
-
$15,931 NZD
View
Most Expensive
B
Do Amore Diamonds
27-85C6602FC · Nov 3
$18,420 NZD
$10,360 USD
View
10 more retailers have this diamond
Prices start from $2,468 NZDSave up to $15,952 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
3.09ct Heart
$2,468 NZD