CaratHunter
Plans
Heart|Lab Grown|IGI

3.71ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660377

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660377

Diamond specifications and retailer prices

From $3,622 SGD
$2,833 USD
As of October 30, 2026
Save $21,371 SGD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $24,993 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.71ct lab-grown heart diamond

This 3.71ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804660377 or 804660377. Listed at 12 retailers as of October 29, 2026, with prices from $3,622 to $24,993, a $21,371 spread on the same certified stone. Do Amore Diamonds lists it at $24,993. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.71
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660377
Dimensions9.53 × 10.62 × 6.35 mm
L/W Ratio1.11
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
9.53 mm10.62 mm3.71 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660377
Side View
Table 61.0%Crown 34.2°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $24,993 SGD|Low: $3,622 SGD|High: $27,971 SGD|Avg: $10,969 SGD|-10.6%
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
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 8$3,622 SGD
Retailer 15$3,953 SGD
Retailer 11$4,127 SGD
Retailer 13$4,417 SGD
Retailer 3$4,587 SGD
Retailer 4$4,779 SGD
Retailer 14$5,812 SGD
Retailer 12$6,055 SGD
Retailer 10$6,553 SGD
Retailer 5$9,172 SGD
Retailer 9$11,852 SGD
Retailer 2$15,916 SGD
Retailer 7$19,656 SGD
Retailer 6$23,824 SGD
Do Amore Diamonds$24,993 SGD

26 data points across 15 retailers

12 retailers$3,622 SGD to $24,993 SGD

A
Cheapest Retailer
-
$3,622 SGD
$2,833 USD
A
Retailer 2
-
$3,953 SGD
$3,092 USD
View
A
Retailer 3
-
$4,127 SGD
$3,228 USD
View
A
Retailer 4
-
$4,417 SGD
$3,455 USD
View
A
Retailer 5
-
$4,587 SGD
$3,588 USD
View
A
Retailer 6
-
$4,779 SGD
$3,738 USD
View
Final sale: no returns
A
Retailer 7
-
$5,812 SGD
$4,546 USD
View
B+
Retailer 8
-
$6,055 SGD
$4,736 USD
View
B+
Retailer 9
-
$6,553 SGD
$5,126 USD
View
B
Retailer 10
-
$11,852 SGD
£7,300 GBP
View
B+
Retailer 11
-
$15,916 SGD
$12,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-FDEF14AD4 · Oct 29
$24,993 SGD
$19,550 USD
View
11 more retailers have this diamond
Prices start from $3,622 SGDSave up to $21,371 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
3.71ct Heart
$3,622 SGD