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Emerald|Lab Grown|IGI

2.51ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG585310692

Shape and cutting style on the report: Emerald cut

Certificate IGI LG585310692

Diamond specifications and retailer prices

From $521 NZD
$293 USD
As of November 1, 2026
Save $3,407 NZD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,928 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.51ct lab-grown emerald diamond

This 2.51ct lab-grown emerald sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG585310692 or 585310692. Listed at 16 retailers as of October 31, 2026, with prices from $521 to $3,928, a $3,407 spread on the same certified stone. Brilliant Earth lists it at $3,928. 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

2.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG585310692
Dimensions8.75 × 6.32 × 4.43 mm
L/W Ratio1.38
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.75 mm6.32 mm2.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG585310692
Side View
Table 63.0%Crown 39.5°Girdle: MediumPavilion 40.1°Culet: LNGDepth 70.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,928 NZD|Low: $501 NZD|High: $3,928 NZD|Avg: $1,370 NZD
Brilliant Earth
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
November 2, 2026
Retailer 8$521 NZD
Retailer 4$583 NZD
Retailer 13$604 NZD
Retailer 6$647 NZD
Retailer 10$647 NZD
Retailer 12$924 NZD
Retailer 9$1,056 NZD
Retailer 3$1,061 NZD
Retailer 2$1,145 NZD
Retailer 7$1,312 NZD
Retailer 15$1,651 NZD
Retailer 11$2,078 NZD
Retailer 14$2,605 NZD
Retailer 5$2,650 NZD
Brilliant Earth$3,928 NZD

42 data points across 15 retailers

16 retailers$521 NZD to $3,928 NZD

A
Cheapest Retailer
-
$521 NZD
$293 USD
A
Retailer 2
-
$583 NZD
$328 USD
View
Final sale: no returns
A
Retailer 3
-
$604 NZD
$340 USD
View
Retailer 4
-
$647 NZD
$364 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$647 NZD
$364 USD
View
A
Retailer 6
-
$924 NZD
$520 USD
View
A
Retailer 7
-
$1,056 NZD
€566 EUR
View
B+
Retailer 8
-
$1,061 NZD
$597 USD
View
A
Retailer 9
-
$1,145 NZD
£507 GBP
View
B+
Retailer 10
-
$1,312 NZD
$738 USD
View
B+
Retailer 11
-
$1,651 NZD
$929 USD
View
B+
Retailer 12
-
$2,078 NZD
$1,169 USD
View
B+
Retailer 13
-
$2,163 NZD
$1,217 USD
View
B
Retailer 14
-
$2,605 NZD
£1,154 GBP
View
B
Retailer 15
-
$2,650 NZD
$1,491 USD
View
Most Expensive
B
Brilliant Earth
7641056A · Oct 31
$3,928 NZD
$2,210 USD
View
15 more retailers have this diamond
Prices start from $521 NZDSave up to $3,407 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
2.51ct Emerald
$521 NZD