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Heart|Lab Grown|IGI

1.16ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818681473

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681473

Diamond specifications and retailer prices

From $290 USD
As of October 30, 2026
Save $2,280 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,570 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.16ct lab-grown heart diamond

This 1.16ct 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 LG818681473 or 818681473. Listed at 11 retailers as of October 30, 2026, with prices from $290 to $2,570, a $2,280 spread on the same certified stone. Do Amore Diamonds lists it at $2,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.16
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681473
Dimensions6.40 × 7.18 × 4.40 mm
L/W Ratio1.12
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
6.40 mm7.18 mm1.16 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681473
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

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: $2,570 USD|Low: $290 USD|High: $3,760 USD|Avg: $1,334 USD|-31.6%
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
November 1, 2026
Retailer 7$290 USD
Retailer 11$336 USD
Retailer 5$525 USD
Retailer 3$582 USD
Retailer 9$591 USD
Retailer 12$909 USD
Retailer 8$1,103 USD
Retailer 10$1,274 USD
Retailer 2$1,588 USD
Retailer 6$2,110 USD
Retailer 4$2,391 USD
Do Amore Diamonds$2,570 USD

25 data points across 12 retailers

11 retailers$290 USD to $2,570 USD

A
Cheapest Retailer
-
$290 USD
A
Retailer 2
-
$336 USD
View
A
Retailer 3
-
$525 USD
View
A
Retailer 4
-
$582 USD
View
A
Retailer 5
-
$591 USD
View
B+
Retailer 6
-
$909 USD
A$1,398 AUD
View
B
Retailer 7
-
$1,103 USD
View
B+
Retailer 8
-
$1,274 USD
View
B+
Retailer 9
-
$1,588 USD
£1,250 GBP
View
B
Retailer 10
-
$2,110 USD
View
Most Expensive
B
Do Amore Diamonds
27-E1364BCC6 · Nov 2
$2,570 USD
View
10 more retailers have this diamond
Prices start from $290 USDSave up to $2,280 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
1.16ct Heart
$290 USD