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Emerald|Lab Grown|IGI

4.20ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG823694940

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823694940

Diamond specifications and retailer prices

From $6,786 AUD
$4,767 USD
As of October 30, 2026
Save $21,409 AUD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $28,195 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.2ct lab-grown emerald diamond

This 4.2ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823694940 or 823694940. Listed at 21 retailers as of October 30, 2026, with prices from $6,786 to $28,195, a $21,409 spread on the same certified stone. Taylor and Hart lists it at $28,195. 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

4.20
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694940
Dimensions11.32 × 7.43 × 4.84 mm
L/W Ratio1.52
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
11.32 mm7.43 mm4.20 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694940
Side View
Table 66.0%Crown 33.9°Girdle: MediumPavilion 40.3°Culet: LargeDepth 65.1%

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: $20,244 AUD|Low: $7,112 AUD|High: $32,068 AUD|Avg: $15,250 AUD|-35.7%
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 30, 2026
Retailer 16$7,112 AUD
Retailer 4$7,599 AUD
Retailer 15$7,915 AUD
Retailer 3$8,952 AUD
Retailer 5$9,366 AUD
Retailer 9$10,021 AUD
Retailer 14$10,053 AUD
Retailer 6$11,130 AUD
Retailer 2$12,169 AUD
Retailer 11$12,875 AUD
Retailer 12$16,386 AUD
Retailer 10$16,753 AUD
Retailer 13$18,824 AUD
Retailer 1$20,244 AUD
Retailer 7$21,881 AUD
Retailer 8$27,134 AUD
Taylor and Hart$28,195 AUD

39 data points across 17 retailers

21 retailers$6,786 AUD to $28,195 AUD

A
Cheapest Retailer
-
$6,786 AUD
$4,767 USD
A
Retailer 2
-
$7,112 AUD
$4,996 USD
View
A
Retailer 3
-
$7,599 AUD
$5,338 USD
View
Final sale: no returns
A
Retailer 4
-
$7,871 AUD
$5,529 USD
View
Retailer 5
-
$7,871 AUD
$5,529 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$7,915 AUD
$5,560 USD
View
A
Retailer 7
-
$8,952 AUD
$6,288 USD
View
A
Retailer 8
-
$9,366 AUD
HK$51,400 HKD
View
A
Retailer 9
-
$9,837 AUD
$6,910 USD
View
A
Retailer 10
-
$10,021 AUD
£5,543 GBP
View
A
Retailer 11
-
$10,053 AUD
$7,062 USD
View
B+
Retailer 12
-
$11,130 AUD
£6,156 GBP
View
B+
Retailer 13
-
$12,169 AUD
$8,548 USD
View
B+
Retailer 14
-
$12,875 AUD
€8,613 EUR
View
B+
Retailer 15
-
$16,386 AUD
£9,063 GBP
View
B+
Retailer 16
-
$16,753 AUD
ZAR 190,118 ZAR
View
B+
Retailer 17
-
$18,824 AUD
$13,223 USD
View
B+
Retailer 18
-
$20,244 AUD
$14,220 USD
View
B
Retailer 19
-
$21,881 AUD
$15,370 USD
View
B
Retailer 20
-
$27,134 AUD
SGD 25,757 SGD
View
Most Expensive
B
Taylor and Hart
AQMGJ0B · Oct 30
$28,195 AUD
$19,806 USD
View
20 more retailers have this diamond
Prices start from $6,786 AUDSave up to $21,409 AUD

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
4.20ct Emerald
$6,786 AUD