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Emerald|Lab Grown|IGI

0.99ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG579359474

Shape and cutting style on the report: Emerald cut

Certificate IGI LG579359474

Diamond specifications and retailer prices

From $250 NZD
$141 USD
As of October 29, 2026
Save $1,203 NZD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,453 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 0.99ct lab-grown emerald diamond

This 0.99ct lab-grown emerald sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579359474 or 579359474. Listed at 17 retailers as of October 25, 2026, with prices from $250 to $1,453, a $1,203 spread on the same certified stone. MOH London lists it at $1,453. 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

0.99
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579359474
Dimensions6.69 × 4.73 × 3.18 mm
L/W Ratio1.41
Culet sizeLong
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
6.69 mm4.73 mm0.99 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG579359474
Side View
Table 64.0%Crown 40.3°Girdle: Slightly ThickPavilion 39.9°Culet: LNGDepth 67.2%

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 29
Current: $1,453 NZD|Low: $199 NZD|High: $1,469 NZD|Avg: $639 NZD|-0.9%
MOH London
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 10$250 NZD
Retailer 4$280 NZD
Retailer 9$291 NZD
Retailer 12$311 NZD
Retailer 14$440 NZD
Retailer 2$532 NZD
Retailer 7$557 NZD
Retailer 8$590 NZD
Retailer 6$618 NZD
Retailer 5$743 NZD
Retailer 11$999 NZD
Retailer 13$1,054 NZD
Retailer 3$1,118 NZD
MOH London$1,453 NZD

43 data points across 14 retailers

17 retailers$250 NZD to $1,453 NZD

A
Cheapest Retailer
-
$250 NZD
$141 USD
A
Retailer 2
-
$280 NZD
$158 USD
View
Final sale: no returns
A
Retailer 3
-
$291 NZD
$164 USD
View
A
Retailer 4
-
$311 NZD
$175 USD
View
A
Retailer 5
-
$363 NZD
HK$1,600 HKD
View
B+
Retailer 6
-
$440 NZD
$248 USD
View
Retailer 7
-
$519 NZD
£230 GBP
View
Price last confirmed 16 days ago
A
Retailer 8
-
$532 NZD
£236 GBP
View
A
Retailer 9
-
$557 NZD
€299 EUR
View
A
Retailer 10
-
$590 NZD
£262 GBP
View
A
Retailer 11
-
$618 NZD
$348 USD
View
B+
Retailer 12
-
$743 NZD
$419 USD
View
B+
Retailer 13
-
$894 NZD
SGD 681 SGD
View
B+
Retailer 14
-
$999 NZD
$563 USD
View
B+
Retailer 15
-
$1,054 NZD
$594 USD
View
B
Retailer 16
-
$1,118 NZD
$630 USD
View
Most Expensive
B
MOH London
LG579359474 · Oct 25
$1,453 NZD
£645 GBP
View
16 more retailers have this diamond
Prices start from $250 NZDSave up to $1,203 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
0.99ct Emerald
$250 NZD