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Heart|Lab Grown|IGI

5.45ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG815697581

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG815697581

Diamond specifications and retailer prices

From $11,744 USD
As of November 2, 2026
Save $41,377 USD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $53,121 USD at With Clarity · As of November 2, 2026
View at With Clarity

About this 5.45ct lab-grown heart diamond

This 5.45ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815697581 or 815697581. Listed at 20 retailers as of November 2, 2026, with prices from $11,744 to $53,121, a $41,377 spread on the same certified stone. With Clarity lists it at $53,121. 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

5.45
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697581
Dimensions11.97 × 10.60 × 7.02 mm
L/W Ratio1.13
Girdle conditionFaceted
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
11.97 mm10.60 mm5.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697581
Side View
Table 57.0%Crown 36.4°Girdle: THK-VTKPavilion 37.8°Culet: NoneDepth 58.6%

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: Nov 2
Current: $13,736 USD|Low: $8,476 USD|High: $53,121 USD|Avg: $20,819 USD|-5.2%
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
With Clarity
November 2, 2026
Retailer 10$8,476 USD
Retailer 11$11,744 USD
Retailer 7$11,874 USD
Retailer 4$12,831 USD
Retailer 9$12,870 USD
Retailer 18$13,495 USD
Retailer 2$13,691 USD
Retailer 5$13,691 USD
Retailer 1$13,736 USD
Retailer 12$13,898 USD
Retailer 3$14,601 USD
Retailer 17$16,507 USD
Retailer 13$20,527 USD
Retailer 14$21,060 USD
Retailer 16$25,699 USD
Retailer 15$27,817 USD
Retailer 8$39,981 USD
Retailer 6$48,276 USD
With Clarity$53,121 USD

36 data points across 19 retailers

20 retailers$11,744 USD to $53,121 USD

A
Cheapest Retailer
-
$11,744 USD
A
Retailer 2
-
$11,874 USD
View
A
Retailer 3
-
$12,274 USD
View
A
Retailer 4
-
$12,831 USD
View
A
Retailer 5
-
$12,870 USD
View
A
Retailer 6
-
$13,495 USD
View
A
Retailer 7
-
$13,691 USD
View
Retailer 8
-
$13,691 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
$13,736 USD
View
A
Retailer 10
-
$13,898 USD
View
Final sale: no returns
A
Retailer 11
-
$14,601 USD
View
Retailer 12
-
$16,507 USD
£12,998 GBP
View
Price last confirmed 13 days ago
A
Retailer 13
-
$20,527 USD
£16,163 GBP
View
A
Retailer 14
-
$21,060 USD
View
B+
Retailer 15
-
$25,699 USD
View
B+
Retailer 16
-
$27,817 USD
ZAR 449,387 ZAR
View
B+
Retailer 17
-
$33,323 USD
View
B
Retailer 18
-
$39,981 USD
View
B
Retailer 19
-
$48,276 USD
SGD 65,238 SGD
View
Most Expensive
B
With Clarity
815697581 · Nov 2
$53,121 USD
View
19 more retailers have this diamond
Prices start from $11,744 USDSave up to $41,377 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
5.45ct Heart
$11,744 USD