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 $755 USD
As of October 30, 2026
Save $3,415 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,170 USD at Brilliant Earth · As of October 30, 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 12 retailers as of October 30, 2026, with prices from $755 to $4,170, a $3,415 spread on the same certified stone. Brilliant Earth lists it at $4,170. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,170 USD|Low: $755 USD|High: $5,410 USD|Avg: $2,191 USD|-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
October 30, 2026
Retailer 5$755 USD
Retailer 11$876 USD
Retailer 12$934 USD
Retailer 6$993 USD
Retailer 7$1,341 USD
Retailer 10$1,390 USD
Retailer 2$1,417 USD
Retailer 4$2,873 USD
Retailer 9$3,022 USD
Retailer 3$3,338 USD
Retailer 8$3,569 USD
Brilliant Earth$4,170 USD

2 data points across 12 retailers

12 retailers$755 USD to $4,170 USD

A
Cheapest Retailer
-
$755 USD
A
Retailer 2
-
$876 USD
View
A
Retailer 3
-
$934 USD
View
Final sale: no returns
A
Retailer 4
-
$993 USD
£782 GBP
View
B+
Retailer 5
-
$1,341 USD
£1,056 GBP
View
B+
Retailer 6
-
$1,390 USD
View
B+
Retailer 7
-
$1,417 USD
View
B
Retailer 8
-
$2,873 USD
View
B
Retailer 9
-
$3,022 USD
View
B
Retailer 10
-
$3,338 USD
SGD 4,511 SGD
View
B
Retailer 11
-
$3,569 USD
View
Most Expensive
B
Brilliant Earth
22348567A · Oct 30
$4,170 USD
View
11 more retailers have this diamond
Prices start from $755 USDSave up to $3,415 USD

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
$755 USD