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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG821667302

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821667302

Diamond specifications and retailer prices

From $247 NZD
As of November 6, 2026
Save $1,530 NZD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,777 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821667302 or 821667302. Listed at 16 retailers as of November 6, 2026, with prices from $247 to $1,777, a $1,530 spread on the same certified stone. Reve Diamonds lists it at $1,777. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821667302
Dimensions6.76 × 4.73 × 3.26 mm
L/W Ratio1.43
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
6.76 mm4.73 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821667302
Side View
Table 66.0%Crown 34.5°Girdle: MediumPavilion 40.6°Culet: LargeDepth 68.9%

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 6
Current: $518 NZD|Low: $233 NZD|High: $2,533 NZD|Avg: $757 NZD|+5.1%
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
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 3$247 NZD
Retailer 14$286 NZD
Retailer 10$297 NZD
Retailer 7$301 NZD
Retailer 12$306 NZD
Retailer 1$518 NZD
Retailer 5$527 NZD
Retailer 15$573 NZD
Retailer 2$582 NZD
Retailer 9$729 NZD
Retailer 11$801 NZD
Retailer 13$986 NZD
Retailer 4$1,083 NZD
Retailer 6$1,316 NZD
Retailer 8$1,428 NZD
Reve Diamonds$1,777 NZD

44 data points across 16 retailers

16 retailers$247 NZD to $1,777 NZD

A
Cheapest Retailer
-
$247 NZD
A
Retailer 2
-
$286 NZD
View
A
Retailer 3
-
$297 NZD
View
Final sale: no returns
Retailer 4
-
$301 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$306 NZD
View
A
Retailer 6
-
$518 NZD
View
Retailer 7
-
$527 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$573 NZD
View
A
Retailer 9
-
$582 NZD
View
B+
Retailer 10
-
$729 NZD
View
B+
Retailer 11
-
$801 NZD
View
B
Retailer 12
-
$986 NZD
View
B
Retailer 13
-
$1,083 NZD
View
Retailer 14
-
$1,316 NZD
View
Price last confirmed 21 days ago
B
Retailer 15
-
$1,428 NZD
View
Most Expensive
B
Reve Diamonds
E17B59513 · Nov 6
$1,777 NZD
$999 USD
View
15 more retailers have this diamond
Prices start from $247 NZDSave up to $1,530 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
1.00ct Emerald
$247 NZD