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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 $8,458 NZD
$4,767 USD
As of October 30, 2026
Save $26,683 NZD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $35,141 NZD 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 $8,458 to $35,141, a $26,683 spread on the same certified stone. Taylor and Hart lists it at $35,141. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,490 NZD|Low: $8,119 NZD|High: $39,265 NZD|Avg: $17,552 NZD|-16.2%
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
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 19$8,458 NZD
Retailer 2$8,864 NZD
Retailer 6$9,471 NZD
Retailer 3$9,810 NZD
Retailer 18$9,865 NZD
Retailer 5$11,157 NZD
Retailer 7$11,673 NZD
Retailer 11$12,260 NZD
Retailer 1$12,490 NZD
Retailer 17$12,530 NZD
Retailer 8$13,872 NZD
Retailer 4$15,167 NZD
Retailer 14$16,046 NZD
Retailer 15$20,422 NZD
Retailer 13$20,880 NZD
Retailer 16$23,462 NZD
Retailer 12$25,231 NZD
Retailer 9$27,271 NZD
Retailer 10$33,818 NZD
Taylor and Hart$35,141 NZD

37 data points across 20 retailers

21 retailers$8,458 NZD to $35,141 NZD

A
Cheapest Retailer
-
$8,458 NZD
$4,767 USD
A
Retailer 2
-
$8,864 NZD
$4,996 USD
View
A
Retailer 3
-
$9,471 NZD
$5,338 USD
View
Final sale: no returns
A
Retailer 4
-
$9,810 NZD
$5,529 USD
View
Retailer 5
-
$9,810 NZD
$5,529 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$9,865 NZD
$5,560 USD
View
A
Retailer 7
-
$11,157 NZD
$6,288 USD
View
A
Retailer 8
-
$11,673 NZD
HK$51,400 HKD
View
A
Retailer 9
-
$12,260 NZD
$6,910 USD
View
A
Retailer 10
-
$12,490 NZD
£5,543 GBP
View
A
Retailer 11
-
$12,530 NZD
$7,062 USD
View
B+
Retailer 12
-
$13,872 NZD
£6,156 GBP
View
B+
Retailer 13
-
$15,167 NZD
$8,548 USD
View
B+
Retailer 14
-
$16,046 NZD
€8,613 EUR
View
B+
Retailer 15
-
$20,422 NZD
£9,063 GBP
View
B+
Retailer 16
-
$20,880 NZD
ZAR 190,118 ZAR
View
B+
Retailer 17
-
$23,462 NZD
$13,223 USD
View
B+
Retailer 18
-
$25,231 NZD
$14,220 USD
View
B
Retailer 19
-
$27,271 NZD
$15,370 USD
View
B
Retailer 20
-
$33,818 NZD
SGD 25,757 SGD
View
Most Expensive
B
Taylor and Hart
AQMGJ0B · Oct 30
$35,141 NZD
$19,806 USD
View
20 more retailers have this diamond
Prices start from $8,458 NZDSave up to $26,683 NZD

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
$8,458 NZD