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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 $904 SGD
$707 USD
As of October 30, 2026
Save $7,125 SGD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,028 SGD 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 $904 to $8,028, a $7,125 spread on the same certified stone. Do Amore Diamonds lists it at $8,028. 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: $8,028 SGD|Low: $904 SGD|High: $13,807 SGD|Avg: $3,723 SGD|-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 30, 2026
Retailer 8$904 SGD
Retailer 13$983 SGD
Retailer 3$1,304 SGD
Retailer 9$1,704 SGD
Retailer 4$1,707 SGD
Retailer 6$1,958 SGD
Retailer 11$2,466 SGD
Retailer 10$2,582 SGD
Retailer 12$3,254 SGD
Retailer 7$4,361 SGD
Retailer 2$5,740 SGD
Retailer 5$7,153 SGD
Do Amore Diamonds$8,028 SGD

25 data points across 13 retailers

12 retailers$904 SGD to $8,028 SGD

A
Cheapest Retailer
-
$904 SGD
$707 USD
A
Retailer 2
-
$983 SGD
$769 USD
View
A
Retailer 3
-
$1,304 SGD
$1,020 USD
View
A
Retailer 4
-
$1,704 SGD
$1,333 USD
View
A
Retailer 5
-
$1,707 SGD
$1,335 USD
View
B+
Retailer 6
-
$1,958 SGD
€1,459 EUR
View
B+
Retailer 7
-
$2,466 SGD
A$2,968 AUD
View
B+
Retailer 8
-
$2,582 SGD
$2,020 USD
View
B+
Retailer 9
-
$3,254 SGD
$2,545 USD
View
B
Retailer 10
-
$4,361 SGD
£2,686 GBP
View
B
Retailer 11
-
$5,740 SGD
$4,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1165FDF8 · Oct 31
$8,028 SGD
$6,280 USD
View
11 more retailers have this diamond
Prices start from $904 SGDSave up to $7,125 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
1.91ct Heart
$904 SGD