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Emerald|Lab Grown|IGI

1.21ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG659456561

Shape and cutting style on the report: Emerald cut

Certificate IGI LG659456561

Diamond specifications and retailer prices

From $277 NZD
$156 USD
As of November 1, 2026
Save $1,591 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,868 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG659456561 or 659456561. Listed at 18 retailers as of November 1, 2026, with prices from $277 to $1,868, a $1,591 spread on the same certified stone. Reve Diamonds lists it at $1,868. 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

1.21
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659456561
Dimensions7.38 × 4.94 × 3.35 mm
L/W Ratio1.49
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
7.38 mm4.94 mm1.21 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659456561
Side View
Table 62.0%Crown 32.9°Girdle: MediumPavilion 38.9°Culet: LNGDepth 67.8%

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 1
Current: $601 NZD|Low: $277 NZD|High: $1,868 NZD|Avg: $800 NZD|-9.5%
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
Retailer 16
Retailer 17
Reve Diamonds
November 2, 2026
Retailer 12$277 NZD
Retailer 6$309 NZD
Retailer 16$321 NZD
Retailer 2$342 NZD
Retailer 14$342 NZD
Retailer 9$386 NZD
Retailer 8$465 NZD
Retailer 13$600 NZD
Retailer 1$601 NZD
Retailer 4$788 NZD
Retailer 3$949 NZD
Retailer 15$1,104 NZD
Retailer 7$1,134 NZD
Retailer 17$1,164 NZD
Retailer 11$1,171 NZD
Retailer 5$1,201 NZD
Retailer 10$1,604 NZD
Reve Diamonds$1,868 NZD

37 data points across 18 retailers

18 retailers$277 NZD to $1,868 NZD

A
Cheapest Retailer
-
$277 NZD
$156 USD
A
Retailer 2
-
$309 NZD
$174 USD
View
Final sale: no returns
A
Retailer 3
-
$321 NZD
$181 USD
View
Retailer 4
-
$342 NZD
$193 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$342 NZD
$193 USD
View
A
Retailer 6
-
$386 NZD
HK$1,700 HKD
View
B+
Retailer 7
-
$465 NZD
$262 USD
View
A
Retailer 8
-
$600 NZD
€322 EUR
View
A
Retailer 9
-
$601 NZD
£267 GBP
View
A
Retailer 10
-
$788 NZD
$444 USD
View
B+
Retailer 11
-
$949 NZD
$535 USD
View
B+
Retailer 12
-
$1,104 NZD
$622 USD
View
B
Retailer 13
-
$1,134 NZD
SGD 864 SGD
View
B+
Retailer 14
-
$1,164 NZD
$656 USD
View
B
Retailer 15
-
$1,171 NZD
$660 USD
View
B
Retailer 16
-
$1,201 NZD
$677 USD
View
B
Retailer 17
-
$1,604 NZD
£712 GBP
View
Most Expensive
B
Reve Diamonds
F92EADF83 · Nov 1
$1,868 NZD
$1,053 USD
View
17 more retailers have this diamond
Prices start from $277 NZDSave up to $1,591 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
1.21ct Emerald
$277 NZD