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Heart|Lab Grown|IGI

3.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG631459350

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG631459350

Diamond specifications and retailer prices

From $2,919 NZD
$1,645 USD
As of October 29, 2026
Save $8,330 NZD (74%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $11,249 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631459350 or 631459350. Listed at 25 retailers as of October 29, 2026, with prices from $2,919 to $11,249, a $8,330 spread on the same certified stone. Brilliant Earth lists it at $11,249. 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
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631459350
Dimensions9.87 × 9.87 × 9.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
9.87 mm9.87 mm3.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631459350
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $11,249 NZD|Low: $565 NZD|High: $11,249 NZD|Avg: $5,726 NZD
Brilliant Earth
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
Retailer 17
October 31, 2026
Retailer 14$2,919 NZD
Retailer 5$3,164 NZD
Retailer 11$3,685 NZD
Retailer 10$3,817 NZD
Retailer 17$3,935 NZD
Retailer 13$4,199 NZD
Retailer 7$4,429 NZD
Retailer 2$4,523 NZD
Retailer 3$5,573 NZD
Retailer 16$5,915 NZD
Retailer 12$6,073 NZD
Retailer 6$6,766 NZD
Retailer 4$7,186 NZD
Retailer 9$8,180 NZD
Retailer 15$8,414 NZD
Retailer 8$9,177 NZD
Brilliant Earth$11,249 NZD

41 data points across 17 retailers

25 retailers$2,919 NZD to $11,249 NZD

Retailer 1
-
$2,255 NZD
$1,271 USD
Price last confirmed 22 days ago
Retailer 2
-
$2,452 NZD
$1,382 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$2,580 NZD
$1,454 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$2,615 NZD
$1,474 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$2,615 NZD
$1,474 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$2,919 NZD
$1,645 USD
View
A
Retailer 7
-
$3,164 NZD
$1,783 USD
View
A
Retailer 8
-
$3,685 NZD
£1,635 GBP
View
Retailer 9
-
$3,789 NZD
£1,681 GBP
View
Price last confirmed 18 days ago
A
Retailer 10
-
$3,817 NZD
$2,151 USD
View
Final sale: no returns
A
Retailer 11
-
$3,935 NZD
$2,218 USD
View
A
Retailer 12
-
$4,199 NZD
€2,254 EUR
View
A
Retailer 13
-
$4,523 NZD
$2,549 USD
View
A
Retailer 14
-
$4,874 NZD
$2,747 USD
View
Retailer 15
-
$4,902 NZD
$2,763 USD
View
Price last confirmed 30 days ago
A
Retailer 16
-
$5,573 NZD
$3,141 USD
View
Retailer 17
-
$5,915 NZD
A$5,129 AUD
View
Price last confirmed 8 days ago
A
Retailer 18
-
$6,073 NZD
ZAR 55,292 ZAR
View
B+
Retailer 19
-
$6,766 NZD
$3,813 USD
View
B+
Retailer 20
-
$7,186 NZD
$4,050 USD
View
B+
Retailer 21
-
$7,504 NZD
$4,229 USD
View
B+
Retailer 22
-
$8,180 NZD
$4,610 USD
View
B+
Retailer 23
-
$8,414 NZD
£3,734 GBP
View
B+
Retailer 24
-
$9,177 NZD
$5,172 USD
View
Most Expensive
B
Brilliant Earth
10240530A · Oct 30
$11,249 NZD
$6,340 USD
View
24 more retailers have this diamond
Prices start from $2,919 NZDSave up to $8,330 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
$2,919 NZD