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Heart|Lab Grown|IGI

4.73ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG739586955

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG739586955

Diamond specifications and retailer prices

From $5,880 USD
As of November 2, 2026
Save $17,998 USD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $23,878 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.73ct lab-grown heart diamond

This 4.73ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739586955 or 739586955. Listed at 22 retailers as of October 31, 2026, with prices from $5,880 to $23,878, a $17,998 spread on the same certified stone. Taylor and Hart lists it at $23,878. 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

4.73
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739586955
Dimensions11.94 × 10.33 × 6.23 mm
L/W Ratio1.16
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
11.94 mm10.33 mm4.73 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739586955
Side View
Table 55.0%Crown 37.5°Girdle: STK-THKPavilion 34.1°Culet: NoneDepth 52.2%

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: Nov 2
Current: $13,879 USD|Low: $5,645 USD|High: $23,870 USD|Avg: $11,613 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 17$5,880 USD
Retailer 5$6,162 USD
Retailer 7$6,236 USD
Retailer 8$6,584 USD
Retailer 16$6,815 USD
Retailer 2$6,821 USD
Retailer 4$8,097 USD
Retailer 15$8,253 USD
Retailer 12$8,700 USD
Retailer 9$8,726 USD
Retailer 3$10,528 USD
Retailer 1$13,879 USD
Retailer 14$14,517 USD
Retailer 11$15,064 USD
Retailer 18$16,454 USD
Retailer 13$17,830 USD
Retailer 10$18,975 USD
Retailer 6$23,719 USD

30 data points across 18 retailers

22 retailers$5,880 USD to $23,878 USD

A
Cheapest Retailer
-
$5,880 USD
A
Retailer 2
-
$6,162 USD
View
A
Retailer 3
-
$6,236 USD
View
A
Retailer 4
-
$6,584 USD
View
Final sale: no returns
A
Retailer 5
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$6,815 USD
View
A
Retailer 6
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$6,821 USD
View
Retailer 7
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$6,821 USD
View
Price last confirmed 17 days ago
A
Retailer 8
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$8,097 USD
View
A
Retailer 9
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$8,192 USD
HK$64,000 HKD
View
A
Retailer 10
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$8,253 USD
View
A
Retailer 11
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$8,700 USD
£6,850 GBP
View
A
Retailer 12
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$8,726 USD
View
B+
Retailer 13
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$10,528 USD
View
B+
Retailer 14
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$13,879 USD
£10,928 GBP
View
B+
Retailer 15
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$14,517 USD
ZAR 234,525 ZAR
View
B+
Retailer 16
-
$15,064 USD
A$23,176 AUD
View
B
Retailer 17
-
$16,454 USD
View
B+
Retailer 18
-
$17,342 USD
View
B+
Retailer 19
-
$17,830 USD
View
B
Retailer 20
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$18,975 USD
View
B
Retailer 21
-
$23,719 USD
SGD 32,053 SGD
View
Most Expensive
B
Taylor and Hart
NTN87LX · Oct 31
$23,878 USD
View
21 more retailers have this diamond
Prices start from $5,880 USDSave up to $17,998 USD

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
4.73ct Heart
$5,880 USD