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Heart|Lab Grown|IGI

3.91ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG772689598

Certificate IGI LG772689598

Diamond specifications and retailer prices

From $3,072 USD
Save $19,286 USD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $22,358 USD at Novita Diamonds
View at Novita Diamonds

About this 3.91ct lab-grown heart diamond

This 3.91ct 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 LG772689598 or 772689598. Listed at 13 retailers, with prices from $3,072 to $22,358 at Novita Diamonds, a $19,286 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

3.91
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772689598
Dimensions9.45 × 9.45 × 10.80 mm
L/W Ratio1.00
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
9.45 mm9.45 mm3.91 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772689598
Side View
Table 60.0%Crown 37.1°Girdle: STK-THKPavilion 40°Culet: NoneDepth 61.0%

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: Sep 30
Current: $22,358 USD|Low: $2,194 USD|High: $22,816 USD|Avg: $9,749 USD|-0.3%
Novita 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 13$3,072 USD
Retailer 12$3,133 USD
Retailer 15$3,340 USD
Retailer 16$3,848 USD
Retailer 17$4,234 USD
Retailer 18$4,876 USD
Retailer 5$5,562 USD
Retailer 14$5,914 USD
Retailer 8$7,115 USD
Retailer 2$7,942 USD
Retailer 11$9,008 USD
Retailer 10$9,981 USD
Retailer 7$13,175 USD
Retailer 6$13,726 USD
Retailer 3$17,570 USD
Retailer 9$18,747 USD
Retailer 4$18,870 USD
Novita Diamonds$22,358 USD

11 data points across 18 retailers

13 retailers$3,072 USD to $22,358 USD

A
Cheapest Retailer
-
$3,072 USD
A
Retailer 2
-
$3,133 USD
View
A
Retailer 3
-
$3,340 USD
View
A
Retailer 4
-
$3,848 USD
View
A
Retailer 5
-
$4,234 USD
View
A
Retailer 6
-
$4,876 USD
View
B+
Retailer 7
-
$5,562 USD
€5,297 EUR
View
Price last confirmed 78 days ago
B+
Retailer 8
-
$5,914 USD
A$9,098 AUD
View
B+
Retailer 9
-
$7,942 USD
A$12,218 AUD
View
B+
Retailer 10
-
$9,008 USD
£7,093 GBP
View
B
Retailer 11
-
$17,570 USD
View
B
Retailer 12
-
$18,870 USD
View
Most Expensive
B
Novita Diamonds
cert_772689598 · Oct 1
$22,358 USD
A$34,397 AUD
View
12 more retailers have this diamond
Prices start from $3,072 USDSave up to $19,286 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
3.91ct Heart
$3,072 USD