Heart|Lab Grown|IGI

1.70ct E VS2 Heart Lab Grown Diamond

VG • E/VS2 • IGI LG839611378

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839611378

Diamond specifications and retailer prices

From $274 USD
As of October 27, 2026
Save $1,166 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,440 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.7ct lab-grown heart diamond

This 1.7ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG839611378 or 839611378. Listed at 11 retailers as of October 27, 2026, with prices from $274 to $1,440, a $1,166 spread on the same certified stone. Brilliant Earth lists it at $1,440. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
E
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839611378
Dimensions7.64 × 8.31 × 4.74 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.64 mm8.31 mm1.70 ctE / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839611378
Side View
Table 63.0%Crown 33.5°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 57.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $491 USD|Low: $274 USD|High: $1,201 USD|Avg: $615 USD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$274 USD
Retailer 2$346 USD
Retailer 4$359 USD
Retailer 1$491 USD
Retailer 6$513 USD
Retailer 3$576 USD
Retailer 10$625 USD
Retailer 5$985 USD
Retailer 9$1,051 USD
Retailer 7$1,201 USD

23 data points across 10 retailers

11 retailers$274 USD to $1,440 USD

A
Cheapest Retailer
-
$274 USD
Final sale: no returns
A
Retailer 2
-
$346 USD
HK$2,700 HKD
View
A
Retailer 3
-
$359 USD
£282 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$491 USD
€468 EUR
View
B+
Retailer 5
-
$513 USD
View
B+
Retailer 6
-
$576 USD
£454 GBP
View
B+
Retailer 7
-
$625 USD
View
B
Retailer 8
-
$985 USD
View
B
Retailer 9
-
$1,051 USD
A$1,617 AUD
View
Price last confirmed 21 days ago
B
Retailer 10
-
$1,201 USD
View
Most Expensive
B
Brilliant Earth
21807427A · Oct 28
$1,440 USD
View
10 more retailers have this diamond
Prices start from $274 USDSave up to $1,166 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
1.70ct Heart
$274 USD