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Heart|Lab Grown|IGI

1.70ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG779668207

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG779668207

Diamond specifications and retailer prices

From £466 GBP
$624 USD
As of October 30, 2026
Save £864 GBP (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,330 GBP at With Clarity · As of October 31, 2026
View at With Clarity

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779668207 or 779668207. Listed at 7 retailers as of October 30, 2026, with prices from £466 to £1,330, a £864 spread on the same certified stone. With Clarity lists it at £1,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779668207
Dimensions6.73 × 8.18 × 5.02 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.73 mm8.18 mm1.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779668207
Side View
Table 60.0%Crown 33.9°Girdle: STK-VTKPavilion 40.9°Culet: NoneDepth 61.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £551 GBP|Low: £466 GBP|High: £1,303 GBP|Avg: £752 GBP|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
November 1, 2026
Retailer 4£466 GBP
Retailer 3£497 GBP
Retailer 5£505 GBP
Retailer 1£551 GBP
Retailer 2£1,239 GBP
With Clarity£1,303 GBP

41 data points across 6 retailers

7 retailers£466 GBP to £1,330 GBP

A
Cheapest Retailer
-
£466 GBP
$624 USD
B+
Retailer 2
-
£497 GBP
$666 USD
View
B+
Retailer 3
-
£505 GBP
$676 USD
View
B+
Retailer 4
-
£551 GBP
View
B
Retailer 5
-
£1,021 GBP
$1,368 USD
View
B
Retailer 6
-
£1,239 GBP
View
Most Expensive
B
With Clarity
779668207 · Oct 31
£1,330 GBP
$1,782 USD
View
6 more retailers have this diamond
Prices start from £466 GBPSave up to £864 GBP

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
£466 GBP