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Heart|Lab Grown|IGI

4.23ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG772689601

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG772689601

Diamond specifications and retailer prices

From €2,814 EUR
$3,156 USD
As of November 2, 2026
Save €19,708 EUR (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €22,522 EUR at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 4.23ct lab-grown heart diamond

This 4.23ct 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 LG772689601 or 772689601. Listed at 14 retailers as of November 1, 2026, with prices from €2,814 to €22,522, a €19,708 spread on the same certified stone. Novita Diamonds lists it at €22,522. 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

4.23
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772689601
Dimensions9.97 × 11.19 × 6.46 mm
L/W Ratio1.12
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
9.97 mm11.19 mm4.23 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772689601
Side View
Table 56.0%Crown 34°Girdle: STK-THKPavilion 37°Culet: NoneDepth 57.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €22,522 EUR|Low: €2,751 EUR|High: €25,302 EUR|Avg: €8,957 EUR|-1.3%
Novita Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 16€2,814 EUR
Retailer 5€3,062 EUR
Retailer 17€3,143 EUR
Retailer 6€3,210 EUR
Retailer 4€3,406 EUR
Retailer 14€4,030 EUR
Retailer 3€4,502 EUR
Retailer 18€4,594 EUR
Retailer 12€5,070 EUR
Retailer 7€6,159 EUR
Retailer 8€7,650 EUR
Retailer 2€7,718 EUR
Retailer 13€7,781 EUR
Retailer 10€7,816 EUR
Retailer 15€13,079 EUR
Retailer 9€13,897 EUR
Retailer 19€19,356 EUR
Retailer 11€20,540 EUR
Novita Diamonds€22,522 EUR

27 data points across 19 retailers

14 retailers€2,814 EUR to €22,522 EUR

A
Cheapest Retailer
-
€2,814 EUR
$3,156 USD
A
Retailer 2
-
€3,062 EUR
$3,434 USD
View
A
Retailer 3
-
€3,143 EUR
$3,525 USD
View
A
Retailer 4
-
€3,210 EUR
$3,600 USD
View
Final sale: no returns
A
Retailer 5
-
€3,406 EUR
$3,820 USD
View
A
Retailer 6
-
€4,030 EUR
$4,520 USD
View
A
Retailer 7
-
€4,502 EUR
$5,050 USD
View
A
Retailer 8
-
€4,594 EUR
$5,153 USD
View
A
Retailer 9
-
€5,070 EUR
$5,686 USD
View
A
Retailer 10
-
€7,718 EUR
£6,816 GBP
View
B+
Retailer 11
-
€7,781 EUR
A$13,426 AUD
View
B+
Retailer 12
-
€13,079 EUR
$14,670 USD
View
B
Retailer 13
-
€19,356 EUR
$21,710 USD
View
Most Expensive
B
Novita Diamonds
cert_772689601 · Nov 1
€22,522 EUR
A$38,863 AUD
View
13 more retailers have this diamond
Prices start from €2,814 EURSave up to €19,708 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
4.23ct Heart
€2,814 EUR