Emerald|Lab Grown|IGI

5.23ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG823669942

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823669942

Diamond specifications and retailer prices

From $9,833 USD
As of October 30, 2026
Save $25,642 USD (72%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $35,475 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.23ct lab-grown emerald diamond

This 5.23ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823669942 or 823669942. Listed at 18 retailers as of October 30, 2026, with prices from $9,833 to $35,475, a $25,642 spread on the same certified stone. Taylor and Hart lists it at $35,475. 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

5.23
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823669942
Dimensions11.58 × 8.25 × 5.50 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.58 mm8.25 mm5.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823669942
Side View
Table 67.0%Crown 34.2°Girdle: MediumPavilion 41.5°Culet: LargeDepth 66.7%

Caratlytics Score

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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: $13,560 USD|Low: $9,799 USD|High: $41,099 USD|Avg: $18,503 USD|-19.3%
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
Retailer 16
Taylor and Hart
October 31, 2026
Retailer 15$9,833 USD
Retailer 12$10,226 USD
Retailer 2$10,690 USD
Retailer 7$11,012 USD
Retailer 11$11,275 USD
Retailer 6$11,406 USD
Retailer 16$11,507 USD
Retailer 3$11,570 USD
Retailer 14$12,177 USD
Retailer 13$12,486 USD
Retailer 1$13,560 USD
Retailer 8$16,337 USD
Retailer 9$18,188 USD
Retailer 10$18,421 USD
Retailer 5$20,863 USD
Retailer 4$31,776 USD
Taylor and Hart$35,475 USD

38 data points across 17 retailers

18 retailers$9,833 USD to $35,475 USD

A
Cheapest Retailer
-
$9,833 USD
A
Retailer 2
-
$10,226 USD
View
A
Retailer 3
-
$10,690 USD
View
A
Retailer 4
-
$11,012 USD
View
Final sale: no returns
A
Retailer 5
-
$11,275 USD
View
A
Retailer 6
-
$11,406 USD
View
Retailer 7
-
$11,406 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$11,507 USD
View
A
Retailer 9
-
$11,570 USD
View
A
Retailer 10
-
$12,177 USD
View
A
Retailer 11
-
$12,486 USD
View
A
Retailer 12
-
$13,560 USD
£10,678 GBP
View
B+
Retailer 13
-
$16,337 USD
£12,864 GBP
View
B+
Retailer 14
-
$18,188 USD
€17,322 EUR
View
B+
Retailer 15
-
$18,421 USD
£14,505 GBP
View
B+
Retailer 16
-
$20,863 USD
View
B
Retailer 17
-
$31,776 USD
View
Most Expensive
B
Taylor and Hart
689EA9J · Oct 31
$35,475 USD
View
17 more retailers have this diamond
Prices start from $9,833 USDSave up to $25,642 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
5.23ct Emerald
$9,833 USD