Heart|Lab Grown|IGI

3.75ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG596320304

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG596320304

Diamond specifications and retailer prices

From €426 EUR
$476 USD
As of October 30, 2026
Save €1,991 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,417 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.75ct lab-grown heart diamond

This 3.75ct lab-grown heart sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG596320304 or 596320304. Listed at 18 retailers as of October 30, 2026, with prices from €426 to €2,417, a €1,991 spread on the same certified stone. Brilliant Earth lists it at €2,417. 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

3.75
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596320304
Dimensions10.61 × 9.31 × 6.39 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.61 mm9.31 mm3.75 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596320304
Side View
Table 63.0%Crown 38.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.2%

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: Oct 30
Current: €2,417 EUR|Low: €409 EUR|High: €3,840 EUR|Avg: €1,125 EUR|-37.1%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 30, 2026
Retailer 16€426 EUR
Retailer 3€477 EUR
Retailer 7€477 EUR
Retailer 4€529 EUR
Retailer 17€529 EUR
Retailer 2€561 EUR
Retailer 10€584 EUR
Retailer 13€653 EUR
Retailer 9€794 EUR
Retailer 19€825 EUR
Retailer 6€886 EUR
Retailer 8€1,045 EUR
Retailer 12€1,148 EUR
Retailer 15€1,226 EUR
Retailer 5€1,676 EUR
Retailer 18€1,700 EUR
Retailer 11€1,725 EUR
Retailer 14€1,945 EUR
Brilliant Earth€2,417 EUR

39 data points across 19 retailers

18 retailers€426 EUR to €2,417 EUR

A
Cheapest Retailer
-
€426 EUR
$476 USD
A
Retailer 2
-
€477 EUR
$533 USD
View
Final sale: no returns
A
Retailer 3
-
€477 EUR
$533 USD
View
A
Retailer 4
-
€529 EUR
$591 USD
View
Retailer 5
-
€529 EUR
$591 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€561 EUR
£493 GBP
View
A
Retailer 7
-
€584 EUR
HK$5,100 HKD
View
A
Retailer 8
-
€653 EUR
$730 USD
View
B+
Retailer 9
-
€825 EUR
$922 USD
View
A
Retailer 10
-
€886 EUR
$990 USD
View
A
Retailer 11
-
€1,045 EUR
$1,167 USD
View
A
Retailer 12
-
€1,148 EUR
ZAR 20,712 ZAR
View
B+
Retailer 13
-
€1,226 EUR
$1,370 USD
View
B
Retailer 14
-
€1,676 EUR
SGD 2,530 SGD
View
B
Retailer 15
-
€1,700 EUR
$1,899 USD
View
B+
Retailer 16
-
€1,725 EUR
$1,928 USD
View
B+
Retailer 17
-
€1,945 EUR
£1,711 GBP
View
Most Expensive
B
Brilliant Earth
14391521A · Oct 31
€2,417 EUR
$2,700 USD
View
17 more retailers have this diamond
Prices start from €426 EURSave up to €1,991 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
3.75ct Heart
€426 EUR