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Emerald|Lab Grown|IGI

5.12ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG621457283

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621457283

Diamond specifications and retailer prices

From $1,643 NZD
$926 USD
As of October 30, 2026
Save $9,599 NZD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,242 NZD at Ting Diamond · As of October 30, 2026
View at Ting Diamond

About this 5.12ct lab-grown emerald diamond

This 5.12ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621457283 or 621457283. Listed at 16 retailers as of October 30, 2026, with prices from $1,643 to $11,242, a $9,599 spread on the same certified stone. Ting Diamond lists it at $11,242. 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

5.12
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621457283
Dimensions11.67 × 8.11 × 5.26 mm
L/W Ratio1.44
Culet sizeLong
Top View
11.67 mm8.11 mm5.12 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621457283
Side View
Table 66.0%Crown 33.1°Girdle: Slightly ThickPavilion 37.3°Culet: LNGDepth 64.9%

Caratlytics Score

How it works →
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: Oct 30
Current: $2,937 NZD|Low: $1,577 NZD|High: $14,727 NZD|Avg: $3,736 NZD|+0.4%
Retailer 1
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 31, 2026
Retailer 11$1,643 NZD
Retailer 6$1,749 NZD
Retailer 3$1,788 NZD
Retailer 5$1,840 NZD
Retailer 2$1,907 NZD
Retailer 12$1,907 NZD
Retailer 8$2,218 NZD
Retailer 4$2,535 NZD
Retailer 1$2,937 NZD
Retailer 13$3,055 NZD
Retailer 10$4,242 NZD
Retailer 14$5,360 NZD
Retailer 9$6,474 NZD
Retailer 7$10,007 NZD

43 data points across 14 retailers

16 retailers$1,643 NZD to $11,242 NZD

A
Cheapest Retailer
-
$1,643 NZD
$926 USD
A
Retailer 2
-
$1,788 NZD
$1,008 USD
View
A
Retailer 3
-
$1,840 NZD
$1,037 USD
View
Final sale: no returns
A
Retailer 4
-
$1,907 NZD
$1,075 USD
View
Retailer 5
-
$1,907 NZD
$1,075 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,218 NZD
$1,250 USD
View
B+
Retailer 7
-
$2,535 NZD
$1,429 USD
View
B+
Retailer 8
-
$2,937 NZD
£1,303 GBP
View
B+
Retailer 9
-
$3,055 NZD
$1,722 USD
View
B
Retailer 10
-
$4,242 NZD
$2,391 USD
View
B
Retailer 11
-
$5,360 NZD
$3,021 USD
View
B
Retailer 12
-
$5,941 NZD
$3,348 USD
View
B
Retailer 13
-
$6,474 NZD
£2,873 GBP
View
B
Retailer 14
-
$6,630 NZD
$3,737 USD
View
B
Retailer 15
-
$10,007 NZD
$5,640 USD
View
Most Expensive
B
Ting Diamond
7027903 · Oct 30
$11,242 NZD
HK$49,500 HKD
View
15 more retailers have this diamond
Prices start from $1,643 NZDSave up to $9,599 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
5.12ct Emerald
$1,643 NZD