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Heart|Lab Grown|IGI

4.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG843670792

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843670792

Diamond specifications and retailer prices

From €2,859 EUR
£2,515 GBP
As of November 1, 2026
Save €18,523 EUR (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €21,382 EUR at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 4ct lab-grown heart diamond

This 4ct 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 LG843670792 or 843670792. Listed at 12 retailers as of November 1, 2026, with prices from €2,859 to €21,382, a €18,523 spread on the same certified stone. Novita Diamonds lists it at €21,382. 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

4.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670792
Dimensions10.05 × 10.71 × 6.52 mm
L/W Ratio1.07
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
10.05 mm10.71 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670792
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A+
Exceptional
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 1
Current: €21,382 EUR|Low: €2,859 EUR|High: €21,382 EUR|Avg: €8,895 EUR
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
November 1, 2026
Retailer 7€2,859 EUR
Retailer 11€3,254 EUR
Retailer 9€3,656 EUR
Retailer 13€4,467 EUR
Retailer 12€4,833 EUR
Retailer 10€5,596 EUR
Retailer 6€7,390 EUR
Retailer 2€8,700 EUR
Retailer 4€8,991 EUR
Retailer 8€11,654 EUR
Retailer 3€18,439 EUR
Retailer 5€18,581 EUR
Novita Diamonds€21,382 EUR

17 data points across 13 retailers

12 retailers€2,859 EUR to €21,382 EUR

A+
Cheapest Retailer
-
€2,859 EUR
£2,515 GBP
A
Retailer 2
-
€3,254 EUR
$3,635 USD
View
A
Retailer 3
-
€3,656 EUR
$4,085 USD
View
A
Retailer 4
-
€4,467 EUR
$4,991 USD
View
A
Retailer 5
-
€4,833 EUR
$5,399 USD
View
A
Retailer 6
-
€5,596 EUR
View
A
Retailer 7
-
€7,390 EUR
A$12,702 AUD
View
B+
Retailer 8
-
€8,700 EUR
£7,653 GBP
View
Retailer 9
-
€8,991 EUR
$10,045 USD
View
Price last confirmed 16 days ago
B+
Retailer 10
-
€11,654 EUR
$13,020 USD
View
B
Retailer 11
-
€18,439 EUR
$20,600 USD
View
Most Expensive
B
Novita Diamonds
cert_843670792 · Nov 1
€21,382 EUR
A$36,751 AUD
View
11 more retailers have this diamond
Prices start from €2,859 EURSave up to €18,523 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+
4.00ct Heart
€2,859 EUR