Heart|Lab Grown|IGI

1.99ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG821636624

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821636624

Diamond specifications and retailer prices

From £239 GBP
$318 USD
As of October 28, 2026
Save £111 GBP (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £968 GBP at Brilliance · As of October 5, 2026
View at Brilliance

About this 1.99ct lab-grown heart diamond

This 1.99ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821636624 or 821636624. Listed at 4 retailers as of October 28, 2026, with a 47% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.99
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821636624
Dimensions8.64 × 7.41 × 5.23 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm7.41 mm1.99 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821636624
Side View
Table 59.0%Crown 35.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 60.5%

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 28
Current: £968 GBP|Low: £174 GBP|High: £1,945 GBP|Avg: £773 GBP|-8.3%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 2£239 GBP
Retailer 3£350 GBP
Retailer 5£466 GBP
Retailer 6£495 GBP
Retailer 9£497 GBP
Retailer 4£520 GBP
Brilliance£968 GBP
Retailer 8£1,087 GBP
Retailer 10£1,114 GBP
Retailer 7£1,945 GBP

12 data points across 10 retailers

4 retailers£239 GBP to £350 GBP

A
Cheapest Retailer
-
£239 GBP
$318 USD
Final sale: no returns
B+
Retailer 2
-
£350 GBP
$466 USD
View
B+
Retailer 3
-
£497 GBP
ZAR 10,682 ZAR
View
Price last confirmed 48 days ago
Most Expensive
B
Brilliance
D44587638 · Oct 5
£968 GBP
$1,289 USD
View
Price last confirmed 24 days ago
3 more retailers have this diamond
Prices start from £239 GBPSave up to £111 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
1.99ct Heart
£239 GBP