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Heart|Lab Grown|IGI

11.80ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG606322989

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG606322989

Diamond specifications and retailer prices

From £2,139 GBP
$2,870 USD
As of November 3, 2026
Save £11,094 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £13,233 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 11.8ct lab-grown heart diamond

This 11.8ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG606322989 or 606322989. Listed at 17 retailers as of November 2, 2026, with prices from £2,139 to £13,233, a £11,094 spread on the same certified stone. Yorxs lists it at £13,233. 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

11.80
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG606322989
Dimensions14.49 × 15.35 × 9.18 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.49 mm15.35 mm11.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG606322989
Side View
Table 59.0%Crown 35°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 59.8%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: £2,976 GBP|Low: £2,114 GBP|High: £13,330 GBP|Avg: £4,798 GBP|-5.8%
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
Retailer 14
Retailer 15
Yorxs
November 3, 2026
Retailer 7£2,114 GBP
Retailer 9£2,139 GBP
Retailer 13£2,349 GBP
Retailer 5£2,515 GBP
Retailer 14£2,633 GBP
Retailer 11£2,831 GBP
Retailer 1£2,976 GBP
Retailer 12£3,090 GBP
Retailer 10£3,446 GBP
Retailer 8£4,123 GBP
Retailer 2£4,794 GBP
Retailer 4£5,383 GBP
Retailer 6£7,611 GBP
Retailer 3£7,763 GBP
Retailer 15£11,960 GBP
Yorxs£13,233 GBP

43 data points across 16 retailers

17 retailers£2,139 GBP to £13,233 GBP

Retailer 1
-
£2,114 GBP
$2,837 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£2,139 GBP
$2,870 USD
View
A
Retailer 3
-
£2,349 GBP
$3,152 USD
View
A
Retailer 4
-
£2,515 GBP
$3,375 USD
View
A
Retailer 5
-
£2,633 GBP
HK$27,600 HKD
View
A
Retailer 6
-
£2,831 GBP
$3,799 USD
View
A
Retailer 7
-
£2,976 GBP
View
A
Retailer 8
-
£3,090 GBP
$4,147 USD
View
A
Retailer 9
-
£3,446 GBP
ZAR 74,696 ZAR
View
A
Retailer 10
-
£4,123 GBP
A$8,513 AUD
View
B+
Retailer 11
-
£4,794 GBP
$6,433 USD
View
B+
Retailer 12
-
£5,192 GBP
$6,967 USD
View
Retailer 13
-
£5,383 GBP
$7,224 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
£7,611 GBP
SGD 13,802 SGD
View
B
Retailer 15
-
£7,763 GBP
$10,418 USD
View
B
Retailer 16
-
£11,960 GBP
$16,050 USD
View
Most Expensive
B
Yorxs
444965488 · Nov 2
£13,233 GBP
€16,912 EUR
View
16 more retailers have this diamond
Prices start from £2,139 GBPSave up to £11,094 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
11.80ct Heart
£2,139 GBP