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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 $371 SGD
As of November 4, 2026
Save $2,914 SGD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,284 SGD at Do Amore Diamonds · As of November 4, 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 November 4, 2026, with prices from $371 to $3,284, a $2,914 spread on the same certified stone. Do Amore Diamonds lists it at $3,284. 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
Colour
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: Nov 4
Current: $3,284 SGD|Low: $371 SGD|High: $4,805 SGD|Avg: $1,697 SGD|-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 5, 2026
Retailer 7$371 SGD
Retailer 11$429 SGD
Retailer 5$671 SGD
Retailer 3$744 SGD
Retailer 9$755 SGD
Retailer 12$1,160 SGD
Retailer 8$1,410 SGD
Retailer 10$1,628 SGD
Retailer 2$2,023 SGD
Retailer 6$2,696 SGD
Retailer 4$3,055 SGD
Do Amore Diamonds$3,284 SGD

26 data points across 12 retailers

11 retailers$371 SGD to $3,284 SGD

A
Cheapest Retailer
-
$371 SGD
A
Retailer 2
-
$429 SGD
View
A
Retailer 3
-
$671 SGD
View
A
Retailer 4
-
$744 SGD
View
A
Retailer 5
-
$755 SGD
View
B+
Retailer 6
-
$1,160 SGD
View
B
Retailer 7
-
$1,410 SGD
View
B+
Retailer 8
-
$1,628 SGD
View
B+
Retailer 9
-
$2,023 SGD
View
B
Retailer 10
-
$2,696 SGD
View
Most Expensive
B
Do Amore Diamonds
27-E1364BCC6 · Nov 4
$3,284 SGD
$2,570 USD
View
10 more retailers have this diamond
Prices start from $371 SGDSave up to $2,914 SGD

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
$371 SGD