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Emerald|Lab Grown|IGI

4.20ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG811625230

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811625230

Diamond specifications and retailer prices

From $6,741 NZD
$3,799 USD
As of October 30, 2026
Save $39,640 NZD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $46,380 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG811625230 or 811625230. Listed at 13 retailers as of October 30, 2026, with prices from $6,741 to $46,380, a $39,640 spread on the same certified stone. Do Amore Diamonds lists it at $46,380. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811625230
Dimensions11.02 × 7.56 × 4.95 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
11.02 mm7.56 mm4.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811625230
Side View
Table 67.0%Crown 33.2°Girdle: ThickPavilion 39.4°Culet: LargeDepth 65.5%

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: $46,380 NZD|Low: $6,741 NZD|High: $53,069 NZD|Avg: $16,711 NZD|-12.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11$6,741 NZD
Retailer 6$7,063 NZD
Retailer 9$7,312 NZD
Retailer 2$7,931 NZD
Retailer 7$8,259 NZD
Retailer 8$10,369 NZD
Retailer 4$10,811 NZD
Retailer 13$12,147 NZD
Retailer 5$14,123 NZD
Retailer 12$14,900 NZD
Retailer 3$17,939 NZD
Retailer 10$21,203 NZD
Do Amore Diamonds$46,380 NZD

35 data points across 13 retailers

13 retailers$6,741 NZD to $46,380 NZD

A
Cheapest Retailer
-
$6,741 NZD
$3,799 USD
A
Retailer 2
-
$7,063 NZD
$3,981 USD
View
A
Retailer 3
-
$7,312 NZD
$4,121 USD
View
A
Retailer 4
-
$7,931 NZD
$4,470 USD
View
A
Retailer 5
-
$8,259 NZD
$4,655 USD
View
A
Retailer 6
-
$10,369 NZD
$5,844 USD
View
A
Retailer 7
-
$10,811 NZD
$6,093 USD
View
A
Retailer 8
-
$12,147 NZD
$6,846 USD
View
Retailer 9
-
$14,123 NZD
$7,960 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$14,900 NZD
€7,998 EUR
View
B+
Retailer 11
-
$17,939 NZD
£7,961 GBP
View
B+
Retailer 12
-
$21,203 NZD
$11,950 USD
View
Most Expensive
B
Do Amore Diamonds
27-87A8AEF4F · Oct 31
$46,380 NZD
$26,140 USD
View
12 more retailers have this diamond
Prices start from $6,741 NZDSave up to $39,640 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
$6,741 NZD