Heart|Lab Grown|IGI

3.74ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG817610515

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817610515

Diamond specifications and retailer prices

From $626 USD
As of October 30, 2026
Save $2,824 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,450 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.74ct lab-grown heart diamond

This 3.74ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817610515 or 817610515. Listed at 12 retailers as of October 30, 2026, with prices from $626 to $3,450, a $2,824 spread on the same certified stone. Brilliant Earth lists it at $3,450. 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

3.74
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817610515
Dimensions9.76 × 10.91 × 6.04 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.76 mm10.91 mm3.74 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817610515
Side View
Table 55.0%Crown 35.3°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 55.4%

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: $3,450 USD|Low: $601 USD|High: $6,030 USD|Avg: $1,949 USD|-42.8%
Brilliant Earth
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
November 1, 2026
Retailer 10$626 USD
Retailer 13$682 USD
Retailer 5$845 USD
Retailer 9$905 USD
Retailer 4$926 USD
Retailer 12$1,188 USD
Retailer 3$1,424 USD
Retailer 7$1,641 USD
Retailer 8$1,856 USD
Retailer 11$2,043 USD
Retailer 14$2,431 USD
Retailer 2$3,061 USD
Retailer 6$3,271 USD
Brilliant Earth$3,450 USD

23 data points across 14 retailers

12 retailers$626 USD to $3,450 USD

A
Cheapest Retailer
-
$626 USD
A
Retailer 2
-
$682 USD
View
A
Retailer 3
-
$845 USD
HK$6,600 HKD
View
A
Retailer 4
-
$905 USD
View
A
Retailer 5
-
$1,188 USD
View
A
Retailer 6
-
$1,424 USD
View
A
Retailer 7
-
$1,641 USD
A$2,525 AUD
View
B+
Retailer 8
-
$1,856 USD
View
B+
Retailer 9
-
$2,043 USD
View
B+
Retailer 10
-
$2,431 USD
SGD 3,285 SGD
View
B
Retailer 11
-
$3,061 USD
£2,410 GBP
View
Most Expensive
B
Brilliant Earth
20585118A · Oct 31
$3,450 USD
View
11 more retailers have this diamond
Prices start from $626 USDSave up to $2,824 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
3.74ct Heart
$626 USD