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Heart|Lab Grown|IGI

3.46ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804665160

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804665160

Diamond specifications and retailer prices

From $3,004 SGD
$2,350 USD
As of October 30, 2026
Save $17,706 SGD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,710 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 LG804665160 or 804665160. Listed at 12 retailers as of October 29, 2026, with prices from $3,004 to $20,710, a $17,706 spread on the same certified stone. Do Amore Diamonds lists it at $20,710. 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 angle37°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665160
Dimensions10.25 × 9.03 × 6.26 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
10.25 mm9.03 mm3.46 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665160
Side View
Table 59.0%Crown 37°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 61.1%

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: $20,710 SGD|Low: $3,004 SGD|High: $25,159 SGD|Avg: $9,839 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
Retailer 15
October 30, 2026
Retailer 2$3,004 SGD
Retailer 14$3,275 SGD
Retailer 10$3,518 SGD
Retailer 12$3,701 SGD
Retailer 15$4,055 SGD
Retailer 4$4,293 SGD
Retailer 13$5,298 SGD
Retailer 11$5,351 SGD
Retailer 9$5,449 SGD
Retailer 5$8,258 SGD
Retailer 8$10,373 SGD
Retailer 6$13,827 SGD
Retailer 7$19,272 SGD
Retailer 3$19,585 SGD
Do Amore Diamonds$20,710 SGD

26 data points across 15 retailers

12 retailers$3,004 SGD to $20,710 SGD

A
Cheapest Retailer
-
$3,004 SGD
$2,350 USD
A
Retailer 2
-
$3,275 SGD
$2,562 USD
View
A
Retailer 3
-
$3,518 SGD
$2,752 USD
View
A
Retailer 4
-
$3,701 SGD
$2,895 USD
View
A
Retailer 5
-
$4,055 SGD
$3,172 USD
View
A
Retailer 6
-
$4,293 SGD
$3,358 USD
View
Final sale: no returns
A
Retailer 7
-
$5,298 SGD
$4,144 USD
View
A
Retailer 8
-
$5,351 SGD
$4,186 USD
View
A
Retailer 9
-
$5,449 SGD
$4,262 USD
View
B+
Retailer 10
-
$10,373 SGD
£6,389 GBP
View
B
Retailer 11
-
$19,585 SGD
$15,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-2325124FE · Oct 29
$20,710 SGD
$16,200 USD
View
11 more retailers have this diamond
Prices start from $3,004 SGDSave up to $17,706 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
$3,004 SGD