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Heart|Lab Grown|IGI

4.91ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG787620787

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG787620787

Diamond specifications and retailer prices

From $11,066 USD
As of October 31, 2026
Save $34,302 USD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $45,368 USD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 4.91ct lab-grown heart diamond

This 4.91ct 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 LG787620787 or 787620787. Listed at 10 retailers as of October 27, 2026, with prices from $11,066 to $45,368, a $34,302 spread on the same certified stone. Wholesale Diamonds Direct lists it at $45,368. 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

4.91
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620787
Dimensions11.99 × 10.14 × 7.09 mm
L/W Ratio1.18
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
11.99 mm10.14 mm4.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620787
Side View
Table 59.0%Crown 34°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 59.1%

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 31
Current: $34,671 USD|Low: $11,066 USD|High: $45,368 USD|Avg: $24,213 USD|-10.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 29, 2026
Retailer 11$11,066 USD
Retailer 2$11,237 USD
Retailer 10$12,566 USD
Retailer 7$14,614 USD
Retailer 4$14,682 USD
Retailer 6$19,020 USD
Retailer 5$25,723 USD
Retailer 8$26,440 USD
Retailer 9$26,989 USD
Retailer 12$27,162 USD
Retailer 1$34,671 USD
Retailer 3$42,332 USD
Wholesale Diamonds Direct$45,368 USD

18 data points across 13 retailers

10 retailers$11,066 USD to $45,368 USD

A
Cheapest Retailer
-
$11,066 USD
B+
Retailer 2
-
$12,566 USD
View
B+
Retailer 3
-
$14,614 USD
View
Retailer 4
-
$19,020 USD
£14,977 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$25,723 USD
£20,254 GBP
View
B
Retailer 6
-
$26,440 USD
View
B+
Retailer 7
-
$26,989 USD
View
B
Retailer 8
-
$34,671 USD
ZAR 560,116 ZAR
View
B
Retailer 9
-
$42,332 USD
View
Most Expensive
B
Wholesale Diamonds Direct
260819197 · Oct 27
$45,368 USD
View
9 more retailers have this diamond
Prices start from $11,066 USDSave up to $34,302 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
4.91ct Heart
$11,066 USD