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Heart|Lab Grown|IGI

4.51ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG794623406

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG794623406

Diamond specifications and retailer prices

From $5,725 SGD
$4,478 USD
As of October 30, 2026
Save $33,663 SGD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $39,388 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown heart diamond

This 4.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794623406 or 794623406. Listed at 9 retailers as of October 29, 2026, with prices from $5,725 to $39,388, a $33,663 spread on the same certified stone. Do Amore Diamonds lists it at $39,388. 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

4.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794623406
Dimensions11.84 × 9.95 × 6.57 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
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
11.84 mm9.95 mm4.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794623406
Side View
Table 59.0%Crown 35.3°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 55.5%

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: $39,388 SGD|Low: $5,725 SGD|High: $50,970 SGD|Avg: $20,825 SGD|-22.7%
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
October 30, 2026
Retailer 12$5,725 SGD
Retailer 10$6,000 SGD
Retailer 9$8,561 SGD
Retailer 7$8,565 SGD
Retailer 8$8,702 SGD
Retailer 11$10,272 SGD
Retailer 6$14,995 SGD
Retailer 4$16,941 SGD
Retailer 2$18,550 SGD
Retailer 13$21,375 SGD
Retailer 3$29,868 SGD
Do Amore Diamonds$39,388 SGD
Retailer 5$49,833 SGD

22 data points across 13 retailers

9 retailers$5,725 SGD to $39,388 SGD

A
Cheapest Retailer
-
$5,725 SGD
$4,478 USD
A
Retailer 2
-
$6,000 SGD
$4,693 USD
View
A
Retailer 3
-
$8,561 SGD
$6,697 USD
View
A
Retailer 4
-
$8,565 SGD
$6,700 USD
View
A
Retailer 5
-
$8,702 SGD
$6,807 USD
View
A
Retailer 6
-
$10,272 SGD
$8,035 USD
View
B+
Retailer 7
-
$14,995 SGD
£9,236 GBP
View
B+
Retailer 8
-
$18,550 SGD
$14,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-84D286800 · Oct 29
$39,388 SGD
$30,810 USD
View
8 more retailers have this diamond
Prices start from $5,725 SGDSave up to $33,663 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
4.51ct Heart
$5,725 SGD