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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 $7,988 NZD
$4,502 USD
As of October 30, 2026
Save $46,962 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $54,950 NZD 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 $7,988 to $54,950, a $46,962 spread on the same certified stone. Do Amore Diamonds lists it at $54,950. 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: $13,078 NZD|Low: $7,669 NZD|High: $35,686 NZD|Avg: $13,942 NZD|+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$7,988 NZD
Retailer 10$8,311 NZD
Retailer 5$8,371 NZD
Retailer 7$8,726 NZD
Retailer 8$8,944 NZD
Retailer 4$9,265 NZD
Retailer 17$9,265 NZD
Retailer 14$9,333 NZD
Retailer 13$11,833 NZD
Retailer 3$12,142 NZD
Retailer 1$13,078 NZD
Retailer 18$14,335 NZD
Retailer 9$14,467 NZD
Retailer 16$14,691 NZD
Retailer 12$20,922 NZD
Retailer 11$21,768 NZD
Retailer 2$23,421 NZD
Retailer 6$35,686 NZD

43 data points across 18 retailers

22 retailers$7,988 NZD to $54,950 NZD

A
Cheapest Retailer
-
$7,988 NZD
$4,502 USD
A
Retailer 2
-
$8,311 NZD
$4,684 USD
View
A
Retailer 3
-
$8,371 NZD
$4,718 USD
View
A
Retailer 4
-
$8,726 NZD
$4,918 USD
View
A
Retailer 5
-
$8,944 NZD
$5,041 USD
View
Final sale: no returns
A
Retailer 6
-
$9,265 NZD
$5,222 USD
View
Retailer 7
-
$9,265 NZD
$5,222 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$9,333 NZD
$5,260 USD
View
A
Retailer 9
-
$11,833 NZD
$6,669 USD
View
A
Retailer 10
-
$12,142 NZD
$6,843 USD
View
A
Retailer 11
-
$12,332 NZD
HK$54,300 HKD
View
A
Retailer 12
-
$13,078 NZD
£5,804 GBP
View
B+
Retailer 13
-
$14,335 NZD
$8,079 USD
View
B+
Retailer 14
-
$14,467 NZD
£6,420 GBP
View
Retailer 15
-
$14,691 NZD
$8,280 USD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
$20,922 NZD
£9,285 GBP
View
B+
Retailer 17
-
$21,768 NZD
ZAR 198,195 ZAR
View
B
Retailer 18
-
$23,421 NZD
$13,200 USD
View
B
Retailer 19
-
$25,505 NZD
$14,375 USD
View
B
Retailer 20
-
$35,686 NZD
SGD 27,179 SGD
View
B
Retailer 21
-
$36,707 NZD
$20,688 USD
View
Most Expensive
B
Do Amore Diamonds
27-049F2460B · Oct 31
$54,950 NZD
$30,970 USD
View
21 more retailers have this diamond
Prices start from $7,988 NZDSave up to $46,962 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
4.21ct Emerald
$7,988 NZD