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Heart|Lab Grown|IGI

1.91ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818681481

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681481

Diamond specifications and retailer prices

From $1,006 AUD
$707 USD
As of October 30, 2026
Save $7,934 AUD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,940 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown heart diamond

This 1.91ct 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 LG818681481 or 818681481. Listed at 12 retailers as of October 30, 2026, with prices from $1,006 to $8,940, a $7,934 spread on the same certified stone. Do Amore Diamonds lists it at $8,940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681481
Dimensions7.66 × 8.39 × 5.22 mm
L/W Ratio1.10
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
7.66 mm8.39 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681481
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.2%

Caratlytics Score

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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: $8,940 AUD|Low: $1,006 AUD|High: $15,375 AUD|Avg: $4,125 AUD|-41.9%
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
Retailer 13
October 31, 2026
Retailer 8$1,006 AUD
Retailer 13$1,095 AUD
Retailer 3$1,452 AUD
Retailer 9$1,898 AUD
Retailer 4$1,901 AUD
Retailer 2$2,164 AUD
Retailer 11$2,746 AUD
Retailer 10$2,876 AUD
Retailer 12$3,623 AUD
Retailer 7$4,856 AUD
Retailer 6$6,392 AUD
Retailer 5$7,965 AUD
Do Amore Diamonds$8,940 AUD

26 data points across 13 retailers

12 retailers$1,006 AUD to $8,940 AUD

A
Cheapest Retailer
-
$1,006 AUD
$707 USD
A
Retailer 2
-
$1,095 AUD
$769 USD
View
A
Retailer 3
-
$1,452 AUD
$1,020 USD
View
A
Retailer 4
-
$1,898 AUD
$1,333 USD
View
A
Retailer 5
-
$1,901 AUD
$1,335 USD
View
B+
Retailer 6
-
$2,164 AUD
€1,448 EUR
View
B+
Retailer 7
-
$2,746 AUD
View
B+
Retailer 8
-
$2,876 AUD
$2,020 USD
View
B+
Retailer 9
-
$3,623 AUD
$2,545 USD
View
B
Retailer 10
-
$4,856 AUD
£2,686 GBP
View
B
Retailer 11
-
$6,392 AUD
$4,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1165FDF8 · Oct 31
$8,940 AUD
$6,280 USD
View
11 more retailers have this diamond
Prices start from $1,006 AUDSave up to $7,934 AUD

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
1.91ct Heart
$1,006 AUD