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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 $8,627 USD
£6,793 GBP
As of October 30, 2026
Save $24,993 USD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $33,620 USD 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 30, 2026, with prices from $8,627 to $33,620, a $24,993 spread on the same certified stone. Taylor and Hart lists it at $33,620. 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: Oct 30
Current: $17,855 USD|Low: $8,598 USD|High: $33,620 USD|Avg: $14,926 USD|-10.0%
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
October 31, 2026
Retailer 8$8,627 USD
Retailer 14$9,232 USD
Retailer 4$9,601 USD
Retailer 2$9,896 USD
Retailer 10$10,595 USD
Retailer 3$10,709 USD
Retailer 11$10,909 USD
Retailer 13$11,085 USD
Retailer 6$12,208 USD
Retailer 9$12,385 USD
Retailer 7$12,838 USD
Retailer 1$17,855 USD
Retailer 12$20,525 USD
Retailer 5$27,270 USD
Taylor and Hart$33,620 USD

35 data points across 15 retailers

15 retailers$8,627 USD to $33,620 USD

A
Cheapest Retailer
-
$8,627 USD
£6,793 GBP
A
Retailer 2
-
$9,232 USD
View
B+
Retailer 3
-
$9,601 USD
View
B+
Retailer 4
-
$9,896 USD
View
B+
Retailer 5
-
$10,595 USD
View
B+
Retailer 6
-
$10,709 USD
View
B+
Retailer 7
-
$10,909 USD
View
B+
Retailer 8
-
$11,085 USD
HK$86,600 HKD
View
Retailer 9
-
$12,208 USD
View
Price last confirmed 19 days ago
Retailer 10
-
$12,385 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$12,838 USD
£10,108 GBP
View
B
Retailer 12
-
$17,855 USD
€17,005 EUR
View
B
Retailer 13
-
$20,525 USD
View
B
Retailer 14
-
$27,270 USD
View
Most Expensive
B
Taylor and Hart
I9V68JZ · Oct 31
$33,620 USD
View
14 more retailers have this diamond
Prices start from $8,627 USDSave up to $24,993 USD

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
$8,627 USD