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Emerald|Lab Grown|IGI

4.28ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG791609544

Shape and cutting style on the report: Emerald cut

Certificate IGI LG791609544

Diamond specifications and retailer prices

From $8,329 NZD
$4,694 USD
As of October 30, 2026
Save $48,964 NZD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $57,292 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown emerald diamond

This 4.28ct 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 LG791609544 or 791609544. Listed at 23 retailers as of October 30, 2026, with prices from $8,329 to $57,292, a $48,964 spread on the same certified stone. Do Amore Diamonds lists it at $57,292. 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

4.28
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791609544
Dimensions11.15 × 7.70 × 5.07 mm
L/W Ratio1.45
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
11.15 mm7.70 mm4.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791609544
Side View
Table 64.0%Crown 33.3°Girdle: Slightly ThickPavilion 42.2°Culet: LargeDepth 65.8%

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: $57,292 NZD|Low: $8,329 NZD|High: $57,292 NZD|Avg: $18,177 NZD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 18$8,329 NZD
Retailer 20$8,605 NZD
Retailer 16$8,728 NZD
Retailer 9$9,205 NZD
Retailer 10$9,326 NZD
Retailer 8$9,661 NZD
Retailer 19$9,714 NZD
Retailer 17$12,338 NZD
Retailer 3$12,658 NZD
Retailer 2$13,656 NZD
Retailer 4$13,909 NZD
Retailer 12$15,116 NZD
Retailer 14$16,693 NZD
Retailer 15$21,815 NZD
Retailer 13$22,695 NZD
Retailer 5$26,591 NZD
Retailer 6$33,833 NZD
Retailer 7$38,135 NZD
Retailer 11$50,965 NZD
Do Amore Diamonds$57,292 NZD

41 data points across 20 retailers

23 retailers$8,329 NZD to $57,292 NZD

A
Cheapest Retailer
-
$8,329 NZD
$4,694 USD
A
Retailer 2
-
$8,605 NZD
$4,850 USD
View
A
Retailer 3
-
$8,728 NZD
$4,919 USD
View
A
Retailer 4
-
$9,205 NZD
$5,188 USD
View
A
Retailer 5
-
$9,326 NZD
$5,256 USD
View
Final sale: no returns
A
Retailer 6
-
$9,661 NZD
$5,445 USD
View
Retailer 7
-
$9,661 NZD
$5,445 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$9,714 NZD
$5,475 USD
View
A
Retailer 9
-
$12,338 NZD
$6,954 USD
View
A
Retailer 10
-
$12,658 NZD
$7,134 USD
View
A
Retailer 11
-
$13,656 NZD
£6,060 GBP
View
B+
Retailer 12
-
$13,909 NZD
$7,839 USD
View
B+
Retailer 13
-
$15,116 NZD
£6,708 GBP
View
B+
Retailer 14
-
$16,693 NZD
€8,960 EUR
View
B+
Retailer 15
-
$21,815 NZD
£9,681 GBP
View
B+
Retailer 16
-
$22,695 NZD
ZAR 206,641 ZAR
View
B
Retailer 17
-
$26,591 NZD
$14,987 USD
View
B
Retailer 18
-
$29,293 NZD
$16,510 USD
View
B
Retailer 19
-
$33,833 NZD
$19,069 USD
View
B
Retailer 20
-
$36,118 NZD
$20,356 USD
View
B
Retailer 21
-
$38,135 NZD
$21,493 USD
View
B
Retailer 22
-
$50,965 NZD
$28,724 USD
View
Most Expensive
B
Do Amore Diamonds
27-9BCD18018 · Oct 31
$57,292 NZD
$32,290 USD
View
22 more retailers have this diamond
Prices start from $8,329 NZDSave up to $48,964 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
4.28ct Emerald
$8,329 NZD