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Heart|Lab Grown|IGI

3.73ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG794657155

Certificate IGI LG794657155

Diamond specifications and retailer prices

From $2,891 USD
Save $17,644 USD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $20,535 USD at Novita Diamonds
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794657155 or 794657155. Listed at 21 retailers, with prices from $2,891 to $20,535 at Novita Diamonds, a $17,644 spread on the same certified stone. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794657155
Dimensions9.40 × 10.77 × 6.32 mm
L/W Ratio1.15
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
9.40 mm10.77 mm3.73 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794657155
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $20,535 USD|Low: $2,238 USD|High: $21,121 USD|Avg: $7,720 USD|-0.3%
Novita Diamonds
Retailer 2
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Retailer 21
October 1, 2026
Retailer 12$2,238 USD
Retailer 20$2,891 USD
Retailer 19$3,049 USD
Retailer 21$3,155 USD
Retailer 9$3,469 USD
Retailer 15$4,129 USD
Retailer 4$4,398 USD
Retailer 2$4,533 USD
Retailer 13$4,589 USD
Retailer 10$6,271 USD
Retailer 17$6,770 USD
Retailer 16$6,828 USD
Retailer 14$7,912 USD
Retailer 18$8,114 USD
Retailer 5$8,640 USD
Retailer 6$8,793 USD
Retailer 8$10,039 USD
Retailer 7$10,445 USD
Retailer 3$10,774 USD
Retailer 11$16,760 USD
Novita Diamonds$20,535 USD

35 data points across 21 retailers

21 retailers$2,891 USD to $20,535 USD

A
Cheapest Retailer
-
$2,891 USD
A
Retailer 2
-
$3,049 USD
View
A
Retailer 3
-
$3,155 USD
View
A
Retailer 4
-
$3,469 USD
HK$27,100 HKD
View
A
Retailer 5
-
$4,139 USD
£3,259 GBP
View
A
Retailer 6
-
$4,398 USD
View
A
Retailer 7
-
$4,533 USD
View
A
Retailer 8
-
$4,589 USD
View
B+
Retailer 9
-
$6,271 USD
A$9,648 AUD
View
B+
Retailer 10
-
$6,770 USD
A$10,415 AUD
View
B+
Retailer 11
-
$6,828 USD
ZAR 110,299 ZAR
View
B+
Retailer 12
-
$7,912 USD
£6,230 GBP
View
B+
Retailer 13
-
$8,114 USD
£6,389 GBP
View
B+
Retailer 14
-
$8,222 USD
View
B
Retailer 15
-
$8,640 USD
View
B
Retailer 16
-
$8,793 USD
View
B
Retailer 17
-
$10,039 USD
SGD 13,566 SGD
View
B
Retailer 18
-
$10,445 USD
View
B
Retailer 19
-
$10,994 USD
View
B
Retailer 20
-
$16,760 USD
View
Most Expensive
B
Novita Diamonds
cert_794657155 · Oct 1
$20,535 USD
A$31,592 AUD
View
20 more retailers have this diamond
Prices start from $2,891 USDSave up to $17,644 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.

A
3.73ct Heart
$2,891 USD