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Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800611924

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800611924

Diamond specifications and retailer prices

From $3,910 USD
As of October 30, 2026
Save $13,045 USD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $16,955 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.51ct lab-grown heart diamond

This 3.51ct 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 LG800611924 or 800611924. Listed at 22 retailers as of October 30, 2026, with prices from $3,910 to $16,955, a $13,045 spread on the same certified stone. With Clarity lists it at $16,955. 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

3.51
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800611924
Dimensions10.55 × 9.35 × 6.17 mm
L/W Ratio1.13
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
10.55 mm9.35 mm3.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800611924
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 58.5%

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: $10,680 USD|Low: $3,754 USD|High: $18,455 USD|Avg: $8,510 USD|-4.8%
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
Retailer 18
Retailer 19
With Clarity
October 30, 2026
Retailer 19$3,910 USD
Retailer 6$4,098 USD
Retailer 7$4,296 USD
Retailer 8$4,379 USD
Retailer 3$4,536 USD
Retailer 5$4,571 USD
Retailer 18$4,595 USD
Retailer 12$4,992 USD
Retailer 17$5,307 USD
Retailer 4$5,668 USD
Retailer 14$5,949 USD
Retailer 16$6,685 USD
Retailer 15$9,769 USD
Retailer 13$10,531 USD
Retailer 1$10,680 USD
Retailer 9$13,212 USD
Retailer 10$15,483 USD
Retailer 11$16,073 USD
With Clarity$16,616 USD
Retailer 2$16,820 USD

40 data points across 20 retailers

22 retailers$3,910 USD to $16,955 USD

A
Cheapest Retailer
-
$3,910 USD
A
Retailer 2
-
$4,098 USD
View
A
Retailer 3
-
$4,296 USD
View
A
Retailer 4
-
$4,379 USD
View
Final sale: no returns
Retailer 5
-
$4,536 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$4,536 USD
View
B+
Retailer 7
-
$4,571 USD
View
B+
Retailer 8
-
$4,595 USD
View
B+
Retailer 9
-
$4,992 USD
HK$39,000 HKD
View
B+
Retailer 10
-
$5,307 USD
View
B+
Retailer 11
-
$5,668 USD
View
B+
Retailer 12
-
$5,949 USD
£4,684 GBP
View
B+
Retailer 13
-
$6,685 USD
View
B+
Retailer 14
-
$9,769 USD
£7,692 GBP
View
B+
Retailer 15
-
$10,198 USD
View
B+
Retailer 16
-
$10,531 USD
ZAR 170,136 ZAR
View
B
Retailer 17
-
$10,680 USD
View
B
Retailer 18
-
$13,212 USD
View
B
Retailer 19
-
$15,483 USD
SGD 20,923 SGD
View
B
Retailer 20
-
$16,073 USD
View
B
Retailer 21
-
$16,820 USD
View
Most Expensive
B
With Clarity
800611924 · Oct 30
$16,955 USD
View
21 more retailers have this diamond
Prices start from $3,910 USDSave up to $13,045 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
3.51ct Heart
$3,910 USD