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Heart|Lab Grown|IGI

5.99ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG811699533

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811699533

Diamond specifications and retailer prices

From £729 GBP
$977 USD
As of October 30, 2026
Save £4,652 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,381 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.99ct lab-grown heart diamond

This 5.99ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811699533 or 811699533. Listed at 21 retailers as of October 30, 2026, with prices from £729 to £5,381, a £4,652 spread on the same certified stone. Brilliant Earth lists it at £5,381. 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

5.99
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811699533
Dimensions11.90 × 12.24 × 7.07 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm12.24 mm5.99 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811699533
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 57.8%

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: £5,381 GBP|Low: £707 GBP|High: £10,352 GBP|Avg: £2,128 GBP|-48.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 7£729 GBP
Retailer 19£793 GBP
Retailer 2£817 GBP
Retailer 3£846 GBP
Retailer 6£846 GBP
Retailer 17£978 GBP
Retailer 11£1,081 GBP
Retailer 5£1,133 GBP
Retailer 14£1,305 GBP
Retailer 9£1,586 GBP
Retailer 18£1,619 GBP
Retailer 13£1,715 GBP
Retailer 15£1,719 GBP
Retailer 20£2,252 GBP
Retailer 4£2,614 GBP
Retailer 12£2,672 GBP
Retailer 16£2,885 GBP
Retailer 10£2,947 GBP
Retailer 8£3,050 GBP
Brilliant Earth£5,381 GBP

38 data points across 20 retailers

21 retailers£729 GBP to £5,381 GBP

A
Cheapest Retailer
-
£729 GBP
$977 USD
A
Retailer 2
-
£793 GBP
$1,063 USD
View
A
Retailer 3
-
£817 GBP
$1,095 USD
View
Final sale: no returns
A
Retailer 4
-
£846 GBP
$1,134 USD
View
Retailer 5
-
£846 GBP
$1,134 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£978 GBP
$1,310 USD
View
B+
Retailer 7
-
£1,081 GBP
$1,448 USD
View
A
Retailer 8
-
£1,133 GBP
$1,518 USD
View
A
Retailer 9
-
£1,305 GBP
View
A
Retailer 10
-
£1,586 GBP
$2,125 USD
View
B+
Retailer 11
-
£1,619 GBP
$2,169 USD
View
Retailer 12
-
£1,669 GBP
$2,236 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£1,715 GBP
A$3,535 AUD
View
B+
Retailer 14
-
£1,719 GBP
ZAR 37,209 ZAR
View
B+
Retailer 15
-
£2,252 GBP
$3,017 USD
View
B
Retailer 16
-
£2,614 GBP
$3,503 USD
View
B
Retailer 17
-
£2,672 GBP
$3,580 USD
View
B+
Retailer 18
-
£2,885 GBP
View
B
Retailer 19
-
£2,947 GBP
$3,949 USD
View
B
Retailer 20
-
£3,050 GBP
$4,087 USD
View
Most Expensive
B
Brilliant Earth
20960315A · Oct 30
£5,381 GBP
$7,210 USD
View
20 more retailers have this diamond
Prices start from £729 GBPSave up to £4,652 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
5.99ct Heart
£729 GBP