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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 $476 USD
As of October 30, 2026
Save $2,224 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,700 USD at Brilliant Earth · As of October 30, 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 $476 to $2,700, a $2,224 spread on the same certified stone. Brilliant Earth lists it at $2,700. 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

How it works →
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: $2,700 USD|Low: $457 USD|High: $4,290 USD|Avg: $1,257 USD|-37.1%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 30, 2026
Retailer 16$476 USD
Retailer 3$533 USD
Retailer 7$533 USD
Retailer 4$591 USD
Retailer 17$591 USD
Retailer 2$626 USD
Retailer 10$653 USD
Retailer 13$730 USD
Retailer 9$887 USD
Retailer 19$922 USD
Retailer 6$990 USD
Retailer 8$1,167 USD
Retailer 12$1,282 USD
Retailer 15$1,370 USD
Retailer 5$1,872 USD
Retailer 18$1,899 USD
Retailer 11$1,928 USD
Retailer 14$2,173 USD
Brilliant Earth$2,700 USD

39 data points across 19 retailers

18 retailers$476 USD to $2,700 USD

A
Cheapest Retailer
-
$476 USD
A
Retailer 2
-
$533 USD
View
Final sale: no returns
A
Retailer 3
-
$533 USD
View
A
Retailer 4
-
$591 USD
View
Retailer 5
-
$591 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$626 USD
£493 GBP
View
A
Retailer 7
-
$653 USD
HK$5,100 HKD
View
A
Retailer 8
-
$730 USD
View
B+
Retailer 9
-
$922 USD
View
A
Retailer 10
-
$990 USD
View
A
Retailer 11
-
$1,167 USD
View
A
Retailer 12
-
$1,282 USD
ZAR 20,712 ZAR
View
B+
Retailer 13
-
$1,370 USD
View
B
Retailer 14
-
$1,872 USD
SGD 2,530 SGD
View
B
Retailer 15
-
$1,899 USD
View
B+
Retailer 16
-
$1,928 USD
View
B+
Retailer 17
-
$2,173 USD
£1,711 GBP
View
Most Expensive
B
Brilliant Earth
14391521A · Oct 30
$2,700 USD
View
17 more retailers have this diamond
Prices start from $476 USDSave up to $2,224 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
3.75ct Heart
$476 USD