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Emerald|Lab Grown|IGI

18.45ct F VS2 Emerald Lab Grown Diamond

ID • F/VS2 • IGI LG687566008

Shape and cutting style on the report: Emerald cut

Certificate IGI LG687566008

Diamond specifications and retailer prices

From $6,290 SGD
$4,920 USD
As of October 30, 2026
Save $20,398 SGD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $38,326 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 18.45ct lab-grown emerald diamond

This 18.45ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687566008 or 687566008. Listed at 18 retailers as of October 30, 2026, with a 324% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

18.45
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687566008
Dimensions17.07 × 12.07 × 8.05 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.07 mm12.07 mm18.45 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687566008
Side View
Table 67.0%Crown 41.6°Girdle: Slightly ThickPavilion 40.6°Culet: LargeDepth 66.7%

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: Oct 30
Current: $38,326 SGD|Low: $6,290 SGD|High: $38,326 SGD|Avg: $12,353 SGD
Brilliant Earth
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 15$6,290 SGD
Retailer 3$6,591 SGD
Retailer 8$7,296 SGD
Retailer 16$7,296 SGD
Retailer 14$7,300 SGD
Retailer 5$7,647 SGD
Retailer 7$7,669 SGD
Retailer 17$8,661 SGD
Retailer 4$9,148 SGD
Retailer 12$9,300 SGD
Retailer 10$10,374 SGD
Retailer 2$10,677 SGD
Retailer 13$13,442 SGD
Retailer 11$16,352 SGD
Retailer 9$26,171 SGD
Retailer 6$26,688 SGD
Brilliant Earth$38,326 SGD

43 data points across 17 retailers

18 retailers$6,290 SGD to $26,688 SGD

A
Cheapest Retailer
-
$6,290 SGD
$4,920 USD
A
Retailer 2
-
$6,591 SGD
$5,156 USD
View
B+
Retailer 3
-
$7,296 SGD
$5,707 USD
View
Retailer 4
-
$7,296 SGD
$5,707 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$7,300 SGD
$5,710 USD
View
B+
Retailer 6
-
$7,647 SGD
$5,982 USD
View
B+
Retailer 7
-
$7,669 SGD
$5,999 USD
View
Final sale: no returns
B+
Retailer 8
-
$8,661 SGD
$6,775 USD
View
B+
Retailer 9
-
$9,148 SGD
$7,156 USD
View
B+
Retailer 10
-
$9,300 SGD
£5,728 GBP
View
B+
Retailer 11
-
$10,374 SGD
$8,115 USD
View
B+
Retailer 12
-
$10,677 SGD
$8,352 USD
View
Retailer 13
-
$12,166 SGD
$9,517 USD
View
Price last confirmed 76 days ago
B
Retailer 14
-
$13,442 SGD
€10,014 EUR
View
B
Retailer 15
-
$16,352 SGD
A$19,679 AUD
View
B
Retailer 16
-
$26,171 SGD
$20,472 USD
View
B
Retailer 17
-
$26,688 SGD
$20,876 USD
View
Most Expensive
Brilliant Earth
16226712A · Oct 31
$38,326 SGD
$29,980 USD
View
Price under review
17 more retailers have this diamond
Prices start from $6,290 SGDSave up to $20,398 SGD

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
18.45ct Emerald
$6,290 SGD