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Heart|Lab Grown|IGI

3.10ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG615341592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG615341592

Diamond specifications and retailer prices

From $2,676 NZD
$1,505 USD
As of November 3, 2026
Save $14,535 NZD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $17,211 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.1ct lab-grown heart diamond

This 3.1ct 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 LG615341592 or 615341592. Listed at 24 retailers as of November 2, 2026, with prices from $2,676 to $17,211, a $14,535 spread on the same certified stone. Brilliant Earth lists it at $17,211. 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

3.10
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615341592
Dimensions9.44 × 9.86 × 5.81 mm
L/W Ratio1.04
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
9.44 mm9.86 mm3.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615341592
Side View
Table 59.0%Crown 36.3°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $17,211 NZD|Low: $2,676 NZD|High: $22,367 NZD|Avg: $6,991 NZD|-23.1%
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
November 3, 2026
Retailer 13$2,676 NZD
Retailer 14$3,076 NZD
Retailer 8$3,311 NZD
Retailer 9$3,911 NZD
Retailer 7$4,169 NZD
Retailer 10$4,421 NZD
Retailer 15$4,665 NZD
Retailer 3$5,466 NZD
Retailer 12$6,263 NZD
Retailer 2$6,445 NZD
Retailer 5$7,184 NZD
Retailer 4$7,629 NZD
Retailer 16$8,617 NZD
Retailer 11$8,910 NZD
Retailer 6$9,745 NZD
Brilliant Earth$17,211 NZD

32 data points across 16 retailers

24 retailers$2,676 NZD to $17,211 NZD

Retailer 1
-
$2,496 NZD
$1,404 USD
Price last confirmed 26 days ago
A
Retailer 2
-
$2,676 NZD
$1,505 USD
View
Final sale: no returns
Retailer 3
-
$2,791 NZD
$1,570 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$2,895 NZD
$1,628 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$2,895 NZD
$1,628 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$2,935 NZD
$1,651 USD
View
Price last confirmed 39 days ago
A
Retailer 7
-
$3,076 NZD
$1,730 USD
View
A
Retailer 8
-
$3,311 NZD
$1,862 USD
View
A
Retailer 9
-
$3,911 NZD
£1,732 GBP
View
A
Retailer 10
-
$4,169 NZD
$2,345 USD
View
A
Retailer 11
-
$4,421 NZD
€2,368 EUR
View
A
Retailer 12
-
$4,665 NZD
$2,624 USD
View
Retailer 13
-
$5,254 NZD
$2,955 USD
View
Price last confirmed 8 days ago
Retailer 14
-
$5,426 NZD
$3,052 USD
View
Price last confirmed 29 days ago
A
Retailer 15
-
$5,466 NZD
$3,074 USD
View
A
Retailer 16
-
$6,263 NZD
A$5,419 AUD
View
A
Retailer 17
-
$6,445 NZD
ZAR 58,564 ZAR
View
Retailer 18
-
$7,184 NZD
$4,040 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$7,475 NZD
$4,204 USD
View
B+
Retailer 20
-
$7,629 NZD
$4,291 USD
View
B+
Retailer 21
-
$8,617 NZD
$4,846 USD
View
B+
Retailer 22
-
$8,910 NZD
£3,946 GBP
View
B+
Retailer 23
-
$9,745 NZD
$5,481 USD
View
Most Expensive
B
Brilliant Earth
9264978A · Nov 2
$17,211 NZD
$9,680 USD
View
23 more retailers have this diamond
Prices start from $2,676 NZDSave up to $14,535 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
3.10ct Heart
$2,676 NZD