Heart|Lab Grown|IGI

1.09ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG801694222

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG801694222

Diamond specifications and retailer prices

From $274 USD
As of October 27, 2026
Save $2,566 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,840 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694222 or 801694222. Listed at 13 retailers as of October 27, 2026, with prices from $274 to $2,840, a $2,566 spread on the same certified stone. Brilliant Earth lists it at $2,840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694222
Dimensions7.11 × 6.00 × 4.33 mm
L/W Ratio1.19
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
7.11 mm6.00 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694222
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.9%

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: Oct 27
Current: $2,840 USD|Low: $274 USD|High: $3,550 USD|Avg: $1,127 USD|-2.7%
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
October 29, 2026
Retailer 8$274 USD
Retailer 4$317 USD
Retailer 6$388 USD
Retailer 9$494 USD
Retailer 5$521 USD
Retailer 7$525 USD
Retailer 12$562 USD
Retailer 2$889 USD
Retailer 10$1,042 USD
Retailer 13$1,204 USD
Retailer 3$1,502 USD
Retailer 11$2,430 USD
Brilliant Earth$2,840 USD

34 data points across 13 retailers

13 retailers$274 USD to $2,840 USD

A
Cheapest Retailer
-
$274 USD
A
Retailer 2
-
$317 USD
View
A
Retailer 3
-
$388 USD
£305 GBP
View
A
Retailer 4
-
$494 USD
View
A
Retailer 5
-
$521 USD
View
A
Retailer 6
-
$525 USD
View
A
Retailer 7
-
$562 USD
View
B+
Retailer 8
-
$889 USD
A$1,368 AUD
View
B+
Retailer 9
-
$1,042 USD
View
Retailer 10
-
$1,204 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$1,502 USD
£1,183 GBP
View
B
Retailer 12
-
$2,430 USD
View
Most Expensive
B
Brilliant Earth
20785848Y · Oct 28
$2,840 USD
View
12 more retailers have this diamond
Prices start from $274 USDSave up to $2,566 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
1.09ct Heart
$274 USD