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Heart|Lab Grown|IGI

1.69ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840634384

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634384

Diamond specifications and retailer prices

From $1,340 NZD
$755 USD
As of October 30, 2026
Save $6,059 NZD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,399 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.69ct lab-grown heart diamond

This 1.69ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634384 or 840634384. Listed at 18 retailers as of October 30, 2026, with prices from $1,340 to $7,399, a $6,059 spread on the same certified stone. Brilliant Earth lists it at $7,399. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.69
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634384
Dimensions7.25 × 8.20 × 4.73 mm
L/W Ratio1.13
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
7.25 mm8.20 mm1.69 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634384
Side View
Table 61.0%Crown 37.3°Girdle: MED-THKPavilion 38.1°Culet: NoneDepth 57.7%

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: $7,399 NZD|Low: $1,340 NZD|High: $9,599 NZD|Avg: $3,588 NZD|-22.9%
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
November 1, 2026
Retailer 3$1,340 NZD
Retailer 2$1,457 NZD
Retailer 7$1,554 NZD
Retailer 8$1,657 NZD
Retailer 12$1,757 NZD
Retailer 15$1,863 NZD
Retailer 17$1,987 NZD
Retailer 14$2,380 NZD
Retailer 6$2,466 NZD
Retailer 18$2,514 NZD
Retailer 16$3,696 NZD
Retailer 13$4,368 NZD
Retailer 10$5,098 NZD
Retailer 5$5,362 NZD
Retailer 9$5,923 NZD
Retailer 11$6,102 NZD
Retailer 4$6,332 NZD
Brilliant Earth$7,399 NZD

4 data points across 18 retailers

18 retailers$1,340 NZD to $7,399 NZD

A
Cheapest Retailer
-
$1,340 NZD
$755 USD
Retailer 2
-
$1,457 NZD
$821 USD
View
A
Retailer 3
-
$1,554 NZD
$876 USD
View
A
Retailer 4
-
$1,657 NZD
$934 USD
View
Final sale: no returns
A
Retailer 5
-
$1,757 NZD
£780 GBP
View
A
Retailer 6
-
$1,863 NZD
$1,050 USD
View
A
Retailer 7
-
$1,987 NZD
$1,120 USD
View
B+
Retailer 8
-
$2,380 NZD
£1,056 GBP
View
B+
Retailer 9
-
$2,466 NZD
$1,390 USD
View
B+
Retailer 10
-
$2,514 NZD
$1,417 USD
View
B+
Retailer 11
-
$3,696 NZD
$2,083 USD
View
B
Retailer 12
-
$4,368 NZD
$2,462 USD
View
B
Retailer 13
-
$5,098 NZD
$2,873 USD
View
B
Retailer 14
-
$5,362 NZD
$3,022 USD
View
B
Retailer 15
-
$5,923 NZD
SGD 4,511 SGD
View
B
Retailer 16
-
$6,102 NZD
£2,708 GBP
View
B
Retailer 17
-
$6,332 NZD
$3,569 USD
View
Most Expensive
B
Brilliant Earth
22348567A · Oct 31
$7,399 NZD
$4,170 USD
View
17 more retailers have this diamond
Prices start from $1,340 NZDSave up to $6,059 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
1.69ct Heart
$1,340 NZD