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Heart|Lab Grown|IGI

1.90ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818653771

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818653771

Diamond specifications and retailer prices

From $1,041 SGD
$814 USD
As of October 30, 2026
Save $5,799 SGD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,839 SGD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.9ct lab-grown heart diamond

This 1.9ct 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 LG818653771 or 818653771. Listed at 19 retailers as of October 30, 2026, with prices from $1,041 to $6,839, a $5,799 spread on the same certified stone. With Clarity lists it at $6,839. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818653771
Dimensions8.48 × 7.46 × 4.97 mm
L/W Ratio1.14
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
8.48 mm7.46 mm1.90 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818653771
Side View
Table 59.0%Crown 37.3°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 58.6%

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: $1,853 SGD|Low: $1,041 SGD|High: $7,798 SGD|Avg: $2,908 SGD|-18.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
With Clarity
November 1, 2026
Retailer 6$1,041 SGD
Retailer 3$1,131 SGD
Retailer 17$1,207 SGD
Retailer 10$1,254 SGD
Retailer 8$1,342 SGD
Retailer 15$1,432 SGD
Retailer 5$1,525 SGD
Retailer 1$1,853 SGD
Retailer 16$1,946 SGD
Retailer 2$2,177 SGD
Retailer 14$2,218 SGD
Retailer 7$2,525 SGD
Retailer 18$3,393 SGD
Retailer 11$3,969 SGD
Retailer 4$4,177 SGD
Retailer 13$4,548 SGD
Retailer 9$4,780 SGD
Retailer 12$5,459 SGD
With Clarity$6,839 SGD

36 data points across 19 retailers

19 retailers$1,041 SGD to $6,839 SGD

A
Cheapest Retailer
-
$1,041 SGD
$814 USD
A
Retailer 2
-
$1,131 SGD
$885 USD
View
A
Retailer 3
-
$1,207 SGD
$944 USD
View
Retailer 4
-
$1,254 SGD
$981 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,342 SGD
$1,050 USD
View
Final sale: no returns
A
Retailer 6
-
$1,432 SGD
$1,120 USD
View
A
Retailer 7
-
$1,525 SGD
$1,193 USD
View
A
Retailer 8
-
$1,853 SGD
£1,141 GBP
View
B+
Retailer 9
-
$1,946 SGD
$1,522 USD
View
B+
Retailer 10
-
$2,177 SGD
$1,703 USD
View
B+
Retailer 11
-
$2,218 SGD
ZAR 28,032 ZAR
View
B+
Retailer 12
-
$2,525 SGD
$1,975 USD
View
B
Retailer 13
-
$3,393 SGD
$2,654 USD
View
B+
Retailer 14
-
$3,969 SGD
$3,105 USD
View
B
Retailer 15
-
$4,177 SGD
$3,267 USD
View
B+
Retailer 16
-
$4,548 SGD
£2,801 GBP
View
B
Retailer 17
-
$4,780 SGD
View
B
Retailer 18
-
$5,459 SGD
$4,270 USD
View
Most Expensive
B
With Clarity
818653771 · Oct 31
$6,839 SGD
$5,350 USD
View
18 more retailers have this diamond
Prices start from $1,041 SGDSave up to $5,799 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
1.90ct Heart
$1,041 SGD