CaratHunter
Plans
Heart|Lab Grown|IGI

3.40ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG729537923

Certificate IGI LG729537923

Diamond specifications and retailer prices

From $526 USD
Save $2,577 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,460 USD at Brilliant Earth
View at Brilliant Earth

About this 3.4ct lab-grown heart diamond

This 3.4ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG729537923 or 729537923. Listed at 23 retailers, with a 490% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.40
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729537923
Dimensions9.47 × 10.35 × 9.47 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.47 mm10.35 mm3.40 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729537923
Side View
Table 56.0%Crown 31.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $7,460 USD|Low: $419 USD|High: $7,460 USD|Avg: $1,925 USD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 4$588 USD
Retailer 9$730 USD
Retailer 5$755 USD
Retailer 17$982 USD
Retailer 13$1,006 USD
Retailer 11$1,011 USD
Retailer 15$1,381 USD
Retailer 12$1,386 USD
Retailer 16$1,388 USD
Retailer 6$1,396 USD
Retailer 8$1,726 USD
Retailer 10$2,119 USD
Retailer 18$2,122 USD
Retailer 7$2,166 USD
Retailer 3$2,552 USD
Retailer 14$2,755 USD
Retailer 2$3,103 USD
Brilliant Earth$7,460 USD

28 data points across 18 retailers

23 retailers$526 USD to $3,103 USD

A
Cheapest Retailer
-
$526 USD
A
Retailer 2
-
$588 USD
View
A
Retailer 3
-
$589 USD
View
A
Retailer 4
-
$644 USD
View
A
Retailer 5
-
$652 USD
View
A
Retailer 6
-
$755 USD
View
A
Retailer 7
-
$982 USD
€935 EUR
View
A
Retailer 8
-
$1,008 USD
£794 GBP
View
B+
Retailer 9
-
$1,011 USD
View
A
Retailer 10
-
$1,381 USD
A$2,125 AUD
View
A
Retailer 11
-
$1,386 USD
View
A
Retailer 12
-
$1,388 USD
ZAR 22,417 ZAR
View
A
Retailer 13
-
$1,396 USD
A$2,148 AUD
View
B+
Retailer 14
-
$1,715 USD
View
B+
Retailer 15
-
$1,726 USD
View
B+
Retailer 16
-
$2,119 USD
View
B+
Retailer 17
-
$2,122 USD
SGD 2,868 SGD
View
B+
Retailer 18
-
$2,210 USD
View
B
Retailer 19
-
$2,552 USD
View
B
Retailer 20
-
$2,645 USD
View
B
Retailer 21
-
$2,755 USD
£2,169 GBP
View
B
Retailer 22
-
$3,103 USD
A$4,774 AUD
View
Most Expensive
B
Brilliant Earth
18300272A · Oct 1
$7,460 USD
View
Price under review
22 more retailers have this diamond
Prices start from $526 USDSave up to $2,577 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.

A
3.40ct Heart
$526 USD