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Heart|Lab Grown|IGI

3.46ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660276

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660276

Diamond specifications and retailer prices

From $3,012 SGD
$2,350 USD
As of October 30, 2026
Save $17,752 SGD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,764 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.46ct lab-grown heart diamond

This 3.46ct 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 LG804660276 or 804660276. Listed at 13 retailers as of October 29, 2026, with prices from $3,012 to $20,764, a $17,752 spread on the same certified stone. Do Amore Diamonds lists it at $20,764. 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

3.46
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660276
Dimensions10.22 × 9.78 × 6.09 mm
L/W Ratio1.04
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
10.22 mm9.78 mm3.46 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660276
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 59.6%

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: $20,764 SGD|Low: $3,012 SGD|High: $25,224 SGD|Avg: $8,541 SGD|-17.7%
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
October 30, 2026
Retailer 2$3,012 SGD
Retailer 14$3,284 SGD
Retailer 10$3,527 SGD
Retailer 12$3,711 SGD
Retailer 3$4,066 SGD
Retailer 5$4,304 SGD
Retailer 13$5,311 SGD
Retailer 11$5,365 SGD
Retailer 9$5,463 SGD
Retailer 7$6,538 SGD
Retailer 6$8,279 SGD
Retailer 8$10,400 SGD
Retailer 4$19,636 SGD
Do Amore Diamonds$20,764 SGD

29 data points across 14 retailers

13 retailers$3,012 SGD to $20,764 SGD

A
Cheapest Retailer
-
$3,012 SGD
$2,350 USD
A
Retailer 2
-
$3,284 SGD
$2,562 USD
View
A
Retailer 3
-
$3,527 SGD
$2,752 USD
View
A
Retailer 4
-
$3,711 SGD
$2,895 USD
View
A
Retailer 5
-
$4,066 SGD
$3,172 USD
View
A
Retailer 6
-
$4,304 SGD
$3,358 USD
View
Final sale: no returns
A
Retailer 7
-
$5,311 SGD
$4,144 USD
View
A
Retailer 8
-
$5,365 SGD
$4,186 USD
View
A
Retailer 9
-
$5,463 SGD
$4,262 USD
View
B+
Retailer 10
-
$6,538 SGD
€4,858 EUR
View
B+
Retailer 11
-
$10,400 SGD
£6,389 GBP
View
B
Retailer 12
-
$19,636 SGD
$15,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-FFA854F6D · Oct 29
$20,764 SGD
$16,200 USD
View
12 more retailers have this diamond
Prices start from $3,012 SGDSave up to $17,752 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
3.46ct Heart
$3,012 SGD