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Emerald|Lab Grown|IGI

4.21ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG799676801

Shape and cutting style on the report: Emerald cut

Certificate IGI LG799676801

Diamond specifications and retailer prices

From $6,409 AUD
$4,502 USD
As of October 30, 2026
Save $37,680 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $44,089 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.21ct lab-grown emerald diamond

This 4.21ct 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 LG799676801 or 799676801. Listed at 22 retailers as of October 30, 2026, with prices from $6,409 to $44,089, a $37,680 spread on the same certified stone. Do Amore Diamonds lists it at $44,089. 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

4.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676801
Dimensions11.20 × 7.67 × 4.89 mm
L/W Ratio1.46
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
11.20 mm7.67 mm4.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676801
Side View
Table 58.0%Crown 30.7°Girdle: MediumPavilion 37.2°Culet: LargeDepth 63.8%

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: $10,493 AUD|Low: $6,153 AUD|High: $28,632 AUD|Avg: $11,186 AUD|+0.4%
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 15$6,409 AUD
Retailer 10$6,668 AUD
Retailer 5$6,717 AUD
Retailer 7$7,001 AUD
Retailer 8$7,176 AUD
Retailer 4$7,434 AUD
Retailer 17$7,434 AUD
Retailer 14$7,488 AUD
Retailer 13$9,494 AUD
Retailer 3$9,742 AUD
Retailer 1$10,493 AUD
Retailer 18$11,501 AUD
Retailer 9$11,607 AUD
Retailer 16$11,787 AUD
Retailer 12$16,787 AUD
Retailer 11$17,465 AUD
Retailer 2$18,792 AUD
Retailer 6$28,632 AUD

43 data points across 18 retailers

22 retailers$6,409 AUD to $44,089 AUD

A
Cheapest Retailer
-
$6,409 AUD
$4,502 USD
A
Retailer 2
-
$6,668 AUD
$4,684 USD
View
A
Retailer 3
-
$6,717 AUD
$4,718 USD
View
A
Retailer 4
-
$7,001 AUD
$4,918 USD
View
A
Retailer 5
-
$7,176 AUD
$5,041 USD
View
Final sale: no returns
A
Retailer 6
-
$7,434 AUD
$5,222 USD
View
Retailer 7
-
$7,434 AUD
$5,222 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$7,488 AUD
$5,260 USD
View
A
Retailer 9
-
$9,494 AUD
$6,669 USD
View
A
Retailer 10
-
$9,742 AUD
$6,843 USD
View
A
Retailer 11
-
$9,895 AUD
HK$54,300 HKD
View
A
Retailer 12
-
$10,493 AUD
£5,804 GBP
View
B+
Retailer 13
-
$11,501 AUD
$8,079 USD
View
B+
Retailer 14
-
$11,607 AUD
£6,420 GBP
View
Retailer 15
-
$11,787 AUD
$8,280 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
$16,787 AUD
£9,285 GBP
View
B+
Retailer 17
-
$17,465 AUD
ZAR 198,195 ZAR
View
B
Retailer 18
-
$18,792 AUD
$13,200 USD
View
B
Retailer 19
-
$20,464 AUD
$14,375 USD
View
B
Retailer 20
-
$28,632 AUD
SGD 27,179 SGD
View
B
Retailer 21
-
$29,452 AUD
$20,688 USD
View
Most Expensive
B
Do Amore Diamonds
27-049F2460B · Oct 31
$44,089 AUD
$30,970 USD
View
21 more retailers have this diamond
Prices start from $6,409 AUDSave up to $37,680 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
4.21ct Emerald
$6,409 AUD