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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 $156 USD
As of November 1, 2026
Save $897 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,053 USD 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 $156 to $1,053, a $897 spread on the same certified stone. Reve Diamonds lists it at $1,053. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $339 USD|Low: $156 USD|High: $1,053 USD|Avg: $451 USD|-9.5%
Retailer 1
Retailer 2
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 2, 2026
Retailer 12$156 USD
Retailer 6$174 USD
Retailer 16$181 USD
Retailer 2$193 USD
Retailer 14$193 USD
Retailer 9$218 USD
Retailer 8$262 USD
Retailer 13$338 USD
Retailer 1$339 USD
Retailer 4$444 USD
Retailer 3$535 USD
Retailer 15$622 USD
Retailer 7$639 USD
Retailer 17$656 USD
Retailer 11$660 USD
Retailer 5$677 USD
Retailer 10$904 USD
Reve Diamonds$1,053 USD

37 data points across 18 retailers

18 retailers$156 USD to $1,053 USD

A
Cheapest Retailer
-
$156 USD
A
Retailer 2
-
$174 USD
View
Final sale: no returns
A
Retailer 3
-
$181 USD
View
Retailer 4
-
$193 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$193 USD
View
A
Retailer 6
-
$218 USD
HK$1,700 HKD
View
B+
Retailer 7
-
$262 USD
View
A
Retailer 8
-
$338 USD
€322 EUR
View
A
Retailer 9
-
$339 USD
£267 GBP
View
A
Retailer 10
-
$444 USD
View
B+
Retailer 11
-
$535 USD
View
B+
Retailer 12
-
$622 USD
View
B
Retailer 13
-
$639 USD
SGD 864 SGD
View
B+
Retailer 14
-
$656 USD
View
B
Retailer 15
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$660 USD
View
B
Retailer 16
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$677 USD
View
B
Retailer 17
-
$904 USD
£712 GBP
View
Most Expensive
B
Reve Diamonds
F92EADF83 · Nov 1
$1,053 USD
View
17 more retailers have this diamond
Prices start from $156 USDSave up to $897 USD

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
$156 USD