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Heart|Lab Grown|IGI

3.73ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663743

Certificate IGI LG846663743

Diamond specifications and retailer prices

From $5,746 SGD
$4,495 USD
As of October 29, 2026
Save $19,042 SGD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $24,788 SGD at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.73ct lab-grown heart diamond

This 3.73ct 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 LG846663743 or 846663743. Listed at 8 retailers as of October 29, 2026, with prices from $5,746 to $24,788, a $19,042 spread on the same certified stone. With Clarity lists it at $24,788. 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

3.73
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663743
Dimensions9.97 × 10.35 × 6.34 mm
L/W Ratio1.04
Top View
9.97 mm10.35 mm3.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663743
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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 29
Current: $6,624 SGD|Low: $5,746 SGD|High: $24,788 SGD|Avg: $12,423 SGD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 30, 2026
Retailer 2$5,746 SGD
Retailer 5$6,588 SGD
Retailer 1$6,624 SGD
Retailer 4$6,935 SGD
Retailer 6$10,696 SGD
Retailer 3$11,677 SGD
With Clarity$24,788 SGD

5 data points across 7 retailers

8 retailers$5,746 SGD to $24,788 SGD

A
Cheapest Retailer
-
$5,746 SGD
$4,495 USD
B+
Retailer 2
-
$6,588 SGD
$5,153 USD
View
B+
Retailer 3
-
$6,624 SGD
£4,080 GBP
View
B+
Retailer 4
-
$6,935 SGD
$5,425 USD
View
B+
Retailer 5
-
$10,696 SGD
€7,968 EUR
View
B+
Retailer 6
-
$11,677 SGD
$9,134 USD
View
B
Retailer 7
-
$22,858 SGD
$17,880 USD
View
Most Expensive
B
With Clarity
846663743 · Oct 30
$24,788 SGD
$19,390 USD
View
7 more retailers have this diamond
Prices start from $5,746 SGDSave up to $19,042 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
3.73ct Heart
$5,746 SGD