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Heart|Lab Grown|IGI

3.54ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800611729

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800611729

Diamond specifications and retailer prices

From $6,994 NZD
$3,942 USD
As of October 30, 2026
Save $23,116 NZD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $30,110 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.54ct lab-grown heart diamond

This 3.54ct 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 LG800611729 or 800611729. Listed at 22 retailers as of October 30, 2026, with prices from $6,994 to $30,110, a $23,116 spread on the same certified stone. Brilliant Earth lists it at $30,110. 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

3.54
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800611729
Dimensions10.83 × 9.53 × 6.14 mm
L/W Ratio1.14
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
10.83 mm9.53 mm3.54 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800611729
Side View
Table 60.0%Crown 33.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 56.7%

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: Oct 30
Current: $30,110 NZD|Low: $6,714 NZD|High: $33,024 NZD|Avg: $14,871 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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 5$6,994 NZD
Retailer 2$7,246 NZD
Retailer 10$7,330 NZD
Retailer 11$7,681 NZD
Retailer 6$8,114 NZD
Retailer 8$8,114 NZD
Retailer 4$8,215 NZD
Retailer 9$8,229 NZD
Retailer 18$8,812 NZD
Retailer 3$9,496 NZD
Retailer 13$9,726 NZD
Retailer 7$10,138 NZD
Retailer 21$11,959 NZD
Retailer 20$17,473 NZD
Retailer 19$18,837 NZD
Retailer 17$18,880 NZD
Retailer 12$23,632 NZD
Retailer 16$25,510 NZD
Retailer 15$27,942 NZD
Retailer 14$28,763 NZD
Brilliant Earth$30,110 NZD

41 data points across 21 retailers

22 retailers$6,994 NZD to $30,110 NZD

A
Cheapest Retailer
-
$6,994 NZD
$3,942 USD
A
Retailer 2
-
$7,246 NZD
$4,084 USD
View
Final sale: no returns
A
Retailer 3
-
$7,330 NZD
$4,131 USD
View
B+
Retailer 4
-
$7,681 NZD
$4,329 USD
View
Retailer 5
-
$8,114 NZD
$4,573 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$8,114 NZD
$4,573 USD
View
B+
Retailer 7
-
$8,215 NZD
$4,630 USD
View
B+
Retailer 8
-
$8,229 NZD
$4,638 USD
View
B+
Retailer 9
-
$8,812 NZD
HK$38,800 HKD
View
B+
Retailer 10
-
$9,496 NZD
$5,352 USD
View
B+
Retailer 11
-
$9,726 NZD
£4,316 GBP
View
B+
Retailer 12
-
$10,138 NZD
$5,714 USD
View
B+
Retailer 13
-
$11,959 NZD
$6,740 USD
View
B+
Retailer 14
-
$17,473 NZD
£7,754 GBP
View
B+
Retailer 15
-
$18,029 NZD
$10,161 USD
View
B+
Retailer 16
-
$18,837 NZD
ZAR 171,513 ZAR
View
B
Retailer 17
-
$18,880 NZD
$10,641 USD
View
B
Retailer 18
-
$23,632 NZD
$13,319 USD
View
B
Retailer 19
-
$25,510 NZD
SGD 19,429 SGD
View
B
Retailer 20
-
$27,942 NZD
$15,748 USD
View
B
Retailer 21
-
$28,763 NZD
$16,211 USD
View
Most Expensive
B
Brilliant Earth
20146769A · Oct 30
$30,110 NZD
$16,970 USD
View
21 more retailers have this diamond
Prices start from $6,994 NZDSave up to $23,116 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
3.54ct Heart
$6,994 NZD