Heart|Lab Grown|IGI

3.50ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660376

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660376

Diamond specifications and retailer prices

From $4,752 NZD
$2,678 USD
As of October 30, 2026
Save $28,055 NZD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $32,807 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.5ct lab-grown heart diamond

This 3.5ct 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 LG804660376 or 804660376. Listed at 13 retailers as of October 29, 2026, with prices from $4,752 to $32,807, a $28,055 spread on the same certified stone. Do Amore Diamonds lists it at $32,807. 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

3.50
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660376
Dimensions9.90 × 10.36 × 6.13 mm
L/W Ratio1.05
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
9.90 mm10.36 mm3.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660376
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.2%

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: $32,807 NZD|Low: $4,752 NZD|High: $36,746 NZD|Avg: $14,455 NZD|-10.7%
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
October 30, 2026
Retailer 8$4,752 NZD
Retailer 3$5,188 NZD
Retailer 12$5,429 NZD
Retailer 4$5,736 NZD
Retailer 14$5,820 NZD
Retailer 5$6,277 NZD
Retailer 15$7,628 NZD
Retailer 13$8,116 NZD
Retailer 11$8,611 NZD
Retailer 9$10,342 NZD
Retailer 6$12,061 NZD
Retailer 10$15,557 NZD
Retailer 2$20,848 NZD
Retailer 7$31,194 NZD
Do Amore Diamonds$32,807 NZD

28 data points across 15 retailers

13 retailers$4,752 NZD to $32,807 NZD

A
Cheapest Retailer
-
$4,752 NZD
$2,678 USD
A
Retailer 2
-
$5,188 NZD
$2,924 USD
View
A
Retailer 3
-
$5,429 NZD
$3,060 USD
View
A
Retailer 4
-
$5,736 NZD
$3,233 USD
View
A
Retailer 5
-
$5,820 NZD
$3,280 USD
View
A
Retailer 6
-
$6,277 NZD
$3,538 USD
View
Final sale: no returns
A
Retailer 7
-
$7,628 NZD
$4,299 USD
View
B+
Retailer 8
-
$8,116 NZD
$4,574 USD
View
B+
Retailer 9
-
$8,611 NZD
$4,853 USD
View
B+
Retailer 10
-
$10,342 NZD
€5,551 EUR
View
B+
Retailer 11
-
$15,557 NZD
£6,904 GBP
View
B+
Retailer 12
-
$20,848 NZD
$11,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-E9C3818C7 · Oct 29
$32,807 NZD
$18,490 USD
View
12 more retailers have this diamond
Prices start from $4,752 NZDSave up to $28,055 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
3.50ct Heart
$4,752 NZD