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Heart|Lab Grown|IGI

4.00ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804656578

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804656578

Diamond specifications and retailer prices

From $11,145 SGD
$8,718 USD
As of October 30, 2026
Save $29,806 SGD (73%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $40,951 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4ct lab-grown heart diamond

This 4ct 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 LG804656578 or 804656578. Listed at 19 retailers as of October 30, 2026, with prices from $11,145 to $40,951, a $29,806 spread on the same certified stone. Taylor and Hart lists it at $40,951. 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

4.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804656578
Dimensions10.82 × 10.39 × 6.22 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
10.82 mm10.39 mm4.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804656578
Side View
Table 58.0%Crown 36.5°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 57.5%

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: $20,314 SGD|Low: $8,836 SGD|High: $36,009 SGD|Avg: $18,255 SGD|-29.6%
Retailer 1
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 9$8,836 SGD
Retailer 17$11,145 SGD
Retailer 5$11,462 SGD
Retailer 7$11,927 SGD
Retailer 6$12,482 SGD
Retailer 16$12,810 SGD
Retailer 13$12,848 SGD
Retailer 2$12,928 SGD
Retailer 4$12,928 SGD
Retailer 15$14,381 SGD
Retailer 14$15,837 SGD
Retailer 1$20,314 SGD
Retailer 12$23,665 SGD
Retailer 11$23,979 SGD
Retailer 10$27,519 SGD
Retailer 3$33,108 SGD
Retailer 8$36,009 SGD

36 data points across 17 retailers

19 retailers$11,145 SGD to $40,951 SGD

A
Cheapest Retailer
-
$11,145 SGD
$8,718 USD
B+
Retailer 2
-
$11,462 SGD
$8,966 USD
View
B+
Retailer 3
-
$11,591 SGD
$9,067 USD
View
B+
Retailer 4
-
$11,927 SGD
$9,330 USD
View
B+
Retailer 5
-
$12,482 SGD
$9,764 USD
View
Final sale: no returns
B+
Retailer 6
-
$12,810 SGD
$10,020 USD
View
B+
Retailer 7
-
$12,848 SGD
$10,050 USD
View
B+
Retailer 8
-
$12,928 SGD
$10,113 USD
View
Retailer 9
-
$12,928 SGD
$10,113 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$14,381 SGD
$11,249 USD
View
B+
Retailer 11
-
$14,541 SGD
$11,374 USD
View
Retailer 12
-
$15,837 SGD
£9,755 GBP
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$20,314 SGD
$15,890 USD
View
B+
Retailer 14
-
$23,665 SGD
£14,576 GBP
View
B
Retailer 15
-
$23,979 SGD
€17,864 EUR
View
B+
Retailer 16
-
$27,519 SGD
ZAR 347,756 ZAR
View
B
Retailer 17
-
$33,108 SGD
$25,898 USD
View
B
Retailer 18
-
$36,009 SGD
$28,167 USD
View
Most Expensive
B
Taylor and Hart
Y9WOHQC · Oct 30
$40,951 SGD
$32,033 USD
View
18 more retailers have this diamond
Prices start from $11,145 SGDSave up to $29,806 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
4.00ct Heart
$11,145 SGD