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Emerald|Lab Grown|IGI

4.28ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG691526188

Shape and cutting style on the report: Emerald cut

Certificate IGI LG691526188

Diamond specifications and retailer prices

From $7,861 NZD
As of November 4, 2026
Save $41,137 NZD (84%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $48,998 NZD at Do Amore Diamonds · As of November 4, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG691526188 or 691526188. Listed at 29 retailers as of November 4, 2026, with prices from $7,861 to $48,998, a $41,137 spread on the same certified stone. Do Amore Diamonds lists it at $48,998. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691526188
Dimensions11.28 × 7.57 × 4.91 mm
L/W Ratio1.49
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
11.28 mm7.57 mm4.28 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691526188
Side View
Table 63.0%Crown 35.6°Girdle: MediumPavilion 40.7°Culet: LargeDepth 64.9%

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: Nov 4
Current: $48,998 NZD|Low: $7,861 NZD|High: $48,998 NZD|Avg: $16,276 NZD
Do Amore Diamonds
Retailer 2
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November 4, 2026
Retailer 15$7,861 NZD
Retailer 24$7,861 NZD
Retailer 5$7,974 NZD
Retailer 12$8,238 NZD
Retailer 6$8,262 NZD
Retailer 3$8,350 NZD
Retailer 4$8,356 NZD
Retailer 14$9,118 NZD
Retailer 11$10,944 NZD
Retailer 25$10,956 NZD
Retailer 9$11,396 NZD
Retailer 2$11,712 NZD
Retailer 21$12,274 NZD
Retailer 17$12,842 NZD
Retailer 18$14,245 NZD
Retailer 8$15,604 NZD
Retailer 23$17,071 NZD
Retailer 19$18,881 NZD
Retailer 13$19,468 NZD
Retailer 20$19,927 NZD
Retailer 7$22,741 NZD
Retailer 22$30,672 NZD
Retailer 10$31,687 NZD
Retailer 16$32,542 NZD
Do Amore Diamonds$48,998 NZD

35 data points across 25 retailers

29 retailers$7,861 NZD to $48,998 NZD

A
Cheapest Retailer
-
$7,861 NZD
Retailer 2
-
$7,861 NZD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$7,974 NZD
View
Final sale: no returns
Retailer 4
-
$8,238 NZD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$8,262 NZD
View
A
Retailer 6
-
$8,350 NZD
View
A
Retailer 7
-
$8,356 NZD
View
Retailer 8
-
$9,118 NZD
View
Price last confirmed 14 days ago
Retailer 9
-
$9,118 NZD
View
Price last confirmed 19 days ago
A
Retailer 10
-
$10,944 NZD
View
A
Retailer 11
-
$10,956 NZD
View
A
Retailer 12
-
$11,396 NZD
View
A
Retailer 13
-
$11,712 NZD
View
A
Retailer 14
-
$12,274 NZD
View
A
Retailer 15
-
$12,842 NZD
View
Retailer 16
-
$14,245 NZD
View
Price last confirmed 28 days ago
Retailer 17
-
$15,604 NZD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$16,025 NZD
View
Retailer 19
-
$16,874 NZD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
$17,071 NZD
View
B+
Retailer 21
-
$18,881 NZD
View
B+
Retailer 22
-
$19,468 NZD
View
B+
Retailer 23
-
$19,927 NZD
View
B+
Retailer 24
-
$22,741 NZD
View
B
Retailer 25
-
$30,672 NZD
View
B
Retailer 26
-
$31,687 NZD
View
B
Retailer 27
-
$32,542 NZD
View
Retailer 28
-
$36,367 NZD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-84C694D2D · Nov 4
$48,998 NZD
$27,620 USD
View
28 more retailers have this diamond
Prices start from $7,861 NZDSave up to $41,137 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
$7,861 NZD