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Heart|Lab Grown|IGI

18.23ct G VS2 Heart Lab Grown Diamond

EX • G/VS2 • IGI LG675574744

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG675574744

Diamond specifications and retailer prices

From €7,669 EUR
£6,773 GBP
As of November 1, 2026
Save €22,306 EUR (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €29,975 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 18.23ct lab-grown heart diamond

This 18.23ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG675574744 or 675574744. Listed at 15 retailers as of October 31, 2026, with prices from €7,669 to €29,975, a €22,306 spread on the same certified stone. Taylor and Hart lists it at €29,975. 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

18.23
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675574744
Dimensions16.50 × 17.74 × 10.81 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.50 mm17.74 mm18.23 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675574744
Side View
Table 59.0%Crown 39.6°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 60.9%

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: Nov 1
Current: €7,669 EUR|Low: €7,666 EUR|High: €29,975 EUR|Avg: €13,295 EUR|-13.1%
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
Retailer 14
Taylor and Hart
November 1, 2026
Retailer 1€7,669 EUR
Retailer 14€8,231 EUR
Retailer 4€8,560 EUR
Retailer 2€8,823 EUR
Retailer 10€9,446 EUR
Retailer 3€9,548 EUR
Retailer 11€9,726 EUR
Retailer 13€9,883 EUR
Retailer 6€10,884 EUR
Retailer 9€11,042 EUR
Retailer 8€11,446 EUR
Retailer 7€15,919 EUR
Retailer 12€18,300 EUR
Retailer 5€24,313 EUR
Taylor and Hart€29,975 EUR

36 data points across 15 retailers

15 retailers€7,669 EUR to €29,975 EUR

A
Cheapest Retailer
-
€7,669 EUR
£6,773 GBP
A
Retailer 2
-
€8,231 EUR
$9,232 USD
View
B+
Retailer 3
-
€8,560 EUR
$9,601 USD
View
B+
Retailer 4
-
€8,823 EUR
$9,896 USD
View
B+
Retailer 5
-
€9,446 EUR
$10,595 USD
View
B+
Retailer 6
-
€9,548 EUR
$10,709 USD
View
B+
Retailer 7
-
€9,726 EUR
$10,909 USD
View
B+
Retailer 8
-
€9,883 EUR
HK$86,600 HKD
View
Retailer 9
-
€10,884 EUR
$12,208 USD
View
Price last confirmed 21 days ago
Retailer 10
-
€11,042 EUR
$12,385 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
€11,446 EUR
£10,108 GBP
View
B
Retailer 12
-
€15,919 EUR
View
B
Retailer 13
-
€18,300 EUR
$20,525 USD
View
B
Retailer 14
-
€24,313 EUR
$27,270 USD
View
Most Expensive
B
Taylor and Hart
I9V68JZ · Oct 31
€29,975 EUR
$33,620 USD
View
14 more retailers have this diamond
Prices start from €7,669 EURSave up to €22,306 EUR

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
18.23ct Heart
€7,669 EUR