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Heart|Lab Grown|IGI

1.68ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG754578536

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754578536

Diamond specifications and retailer prices

From £164 GBP
$219 USD
As of October 27, 2026
Save £689 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £854 GBP at With Clarity · As of October 29, 2026
View at With Clarity

About this 1.68ct lab-grown heart diamond

This 1.68ct 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 top-tier cut grade and certified by IGI LG754578536 or 754578536. Listed at 12 retailers as of October 27, 2026, with prices from £164 to £854, a £689 spread on the same certified stone. With Clarity lists it at £854. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754578536
Dimensions7.24 × 8.03 × 4.82 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.24 mm8.03 mm1.68 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754578536
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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 27
Current: £344 GBP|Low: £160 GBP|High: £893 GBP|Avg: £577 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 29, 2026
Retailer 12£164 GBP
Retailer 9£191 GBP
Retailer 7£240 GBP
Retailer 1£344 GBP
Retailer 3£390 GBP
Retailer 11£456 GBP
Retailer 4£576 GBP
Retailer 2£656 GBP
Retailer 8£658 GBP
Retailer 5£709 GBP
Retailer 10£741 GBP
Retailer 6£822 GBP
Retailer 13£825 GBP
With Clarity£848 GBP

25 data points across 14 retailers

12 retailers£164 GBP to £854 GBP

A
Cheapest Retailer
-
£164 GBP
$219 USD
A
Retailer 2
-
£191 GBP
$254 USD
View
Retailer 3
-
£240 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£344 GBP
€436 EUR
View
B+
Retailer 5
-
£456 GBP
$607 USD
View
B+
Retailer 6
-
£541 GBP
$720 USD
View
B+
Retailer 7
-
£656 GBP
$873 USD
View
B+
Retailer 8
-
£658 GBP
$876 USD
View
B+
Retailer 9
-
£741 GBP
$987 USD
View
B
Retailer 10
-
£822 GBP
View
Retailer 11
-
£825 GBP
SGD 1,485 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
With Clarity
754578536 · Oct 29
£854 GBP
$1,137 USD
View
11 more retailers have this diamond
Prices start from £164 GBPSave up to £689 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
1.68ct Heart
£164 GBP