Emerald|Lab Grown|IGI

2.58ct E SI2 Emerald Lab Grown Diamond

ID • E/SI2 • IGI LG683537744

Shape and cutting style on the report: Emerald cut

Certificate IGI LG683537744

Diamond specifications and retailer prices

From $422 NZD
$238 USD
As of October 30, 2026
Save $2,470 NZD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,433 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 2.58ct lab-grown emerald diamond

This 2.58ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683537744 or 683537744. Listed at 13 retailers as of October 30, 2026, with a 585% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.58
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683537744
Dimensions9.07 × 6.57 × 4.43 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.07 mm6.57 mm2.58 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683537744
Side View
Table 63.0%Crown 36.6°Girdle: MED-STKPavilion 43.4°Culet: LargeDepth 67.4%

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: $3,433 NZD|Low: $405 NZD|High: $5,607 NZD|Avg: $1,431 NZD|-1.0%
Rare Carat
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
October 30, 2026
Retailer 11$422 NZD
Retailer 6$447 NZD
Retailer 4$490 NZD
Retailer 3$523 NZD
Retailer 12$523 NZD
Retailer 13$882 NZD
Retailer 8$961 NZD
Retailer 7$990 NZD
Retailer 5$1,045 NZD
Retailer 14$1,684 NZD
Retailer 10$1,689 NZD
Retailer 9$2,109 NZD
Retailer 2$2,892 NZD
Rare Carat$3,433 NZD

44 data points across 14 retailers

13 retailers$422 NZD to $2,892 NZD

A
Cheapest Retailer
-
$422 NZD
$238 USD
A
Retailer 2
-
$490 NZD
$276 USD
View
A
Retailer 3
-
$523 NZD
$295 USD
View
Retailer 4
-
$523 NZD
$295 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$882 NZD
$497 USD
View
A
Retailer 6
-
$961 NZD
€516 EUR
View
A
Retailer 7
-
$990 NZD
£440 GBP
View
A
Retailer 8
-
$1,045 NZD
$589 USD
View
B+
Retailer 9
-
$1,684 NZD
$949 USD
View
B+
Retailer 10
-
$1,689 NZD
$952 USD
View
B+
Retailer 11
-
$2,109 NZD
£936 GBP
View
B
Retailer 12
-
$2,892 NZD
$1,630 USD
View
Most Expensive
Rare Carat
13778 · Oct 18
$3,433 NZD
$1,935 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from $422 NZDSave up to $2,470 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
2.58ct Emerald
$422 NZD