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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 €7,699 EUR
£6,773 GBP
As of November 1, 2026
Save €22,394 EUR (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €30,093 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 €7,699 to €30,093, a €22,394 spread on the same certified stone. Taylor and Hart lists it at €30,093. 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
Color
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: €7,699 EUR|Low: €7,696 EUR|High: €30,093 EUR|Avg: €13,347 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€7,699 EUR
Retailer 14€8,263 EUR
Retailer 4€8,594 EUR
Retailer 2€8,858 EUR
Retailer 10€9,483 EUR
Retailer 3€9,586 EUR
Retailer 11€9,765 EUR
Retailer 13€9,922 EUR
Retailer 6€10,927 EUR
Retailer 9€11,086 EUR
Retailer 8€11,491 EUR
Retailer 7€15,982 EUR
Retailer 12€18,372 EUR
Retailer 5€24,409 EUR
Taylor and Hart€30,093 EUR

36 data points across 15 retailers

15 retailers€7,699 EUR to €30,093 EUR

A
Cheapest Retailer
-
€7,699 EUR
£6,773 GBP
A
Retailer 2
-
€8,263 EUR
$9,232 USD
View
B+
Retailer 3
-
€8,594 EUR
$9,601 USD
View
B+
Retailer 4
-
€8,858 EUR
$9,896 USD
View
B+
Retailer 5
-
€9,483 EUR
$10,595 USD
View
B+
Retailer 6
-
€9,586 EUR
$10,709 USD
View
B+
Retailer 7
-
€9,765 EUR
$10,909 USD
View
B+
Retailer 8
-
€9,922 EUR
HK$86,600 HKD
View
Retailer 9
-
€10,927 EUR
$12,208 USD
View
Price last confirmed 19 days ago
Retailer 10
-
€11,086 EUR
$12,385 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€11,491 EUR
£10,108 GBP
View
B
Retailer 12
-
€15,982 EUR
View
B
Retailer 13
-
€18,372 EUR
$20,525 USD
View
B
Retailer 14
-
€24,409 EUR
$27,270 USD
View
Most Expensive
B
Taylor and Hart
I9V68JZ · Oct 31
€30,093 EUR
$33,620 USD
View
14 more retailers have this diamond
Prices start from €7,699 EURSave up to €22,394 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
€7,699 EUR