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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 €10,471 EUR
$11,744 USD
As of November 2, 2026
Save €36,891 EUR (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €47,362 EUR 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 €10,471 to €47,362, a €36,891 spread on the same certified stone. With Clarity lists it at €47,362. 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: €12,247 EUR|Low: €7,557 EUR|High: €47,362 EUR|Avg: €18,562 EUR|-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€7,557 EUR
Retailer 11€10,471 EUR
Retailer 7€10,587 EUR
Retailer 4€11,440 EUR
Retailer 9€11,475 EUR
Retailer 18€12,032 EUR
Retailer 2€12,207 EUR
Retailer 5€12,207 EUR
Retailer 1€12,247 EUR
Retailer 12€12,391 EUR
Retailer 3€13,018 EUR
Retailer 17€14,718 EUR
Retailer 13€18,301 EUR
Retailer 14€18,777 EUR
Retailer 16€22,913 EUR
Retailer 15€24,801 EUR
Retailer 8€35,646 EUR
Retailer 6€43,042 EUR
With Clarity€47,362 EUR

36 data points across 19 retailers

20 retailers€10,471 EUR to €47,362 EUR

A
Cheapest Retailer
-
€10,471 EUR
$11,744 USD
A
Retailer 2
-
€10,587 EUR
$11,874 USD
View
A
Retailer 3
-
€10,943 EUR
$12,274 USD
View
A
Retailer 4
-
€11,440 EUR
$12,831 USD
View
A
Retailer 5
-
€11,475 EUR
$12,870 USD
View
A
Retailer 6
-
€12,032 EUR
$13,495 USD
View
A
Retailer 7
-
€12,207 EUR
$13,691 USD
View
Retailer 8
-
€12,207 EUR
$13,691 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
€12,247 EUR
$13,736 USD
View
A
Retailer 10
-
€12,391 EUR
$13,898 USD
View
Final sale: no returns
A
Retailer 11
-
€13,018 EUR
$14,601 USD
View
Retailer 12
-
€14,718 EUR
£12,998 GBP
View
Price last confirmed 13 days ago
A
Retailer 13
-
€18,301 EUR
£16,163 GBP
View
A
Retailer 14
-
€18,777 EUR
$21,060 USD
View
B+
Retailer 15
-
€22,913 EUR
$25,699 USD
View
B+
Retailer 16
-
€24,801 EUR
ZAR 449,387 ZAR
View
B+
Retailer 17
-
€29,710 EUR
$33,323 USD
View
B
Retailer 18
-
€35,646 EUR
$39,981 USD
View
B
Retailer 19
-
€43,042 EUR
SGD 65,238 SGD
View
Most Expensive
B
With Clarity
815697581 · Nov 2
€47,362 EUR
$53,121 USD
View
19 more retailers have this diamond
Prices start from €10,471 EURSave up to €36,891 EUR

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
€10,471 EUR