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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 €140 EUR
$156 USD
As of November 1, 2026
Save €803 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €942 EUR 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 €140 to €942, a €803 spread on the same certified stone. Reve Diamonds lists it at €942. 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: €809 EUR|Low: €140 EUR|High: €942 EUR|Avg: €403 EUR|-11.6%
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 1, 2026
Retailer 12€140 EUR
Retailer 6€156 EUR
Retailer 16€162 EUR
Retailer 2€173 EUR
Retailer 14€173 EUR
Retailer 9€195 EUR
Retailer 8€235 EUR
Retailer 13€303 EUR
Retailer 10€303 EUR
Retailer 4€397 EUR
Retailer 3€479 EUR
Retailer 15€557 EUR
Retailer 7€572 EUR
Retailer 17€587 EUR
Retailer 11€591 EUR
Retailer 5€606 EUR
Retailer 1€809 EUR
Reve Diamonds€942 EUR

36 data points across 18 retailers

18 retailers€140 EUR to €942 EUR

A
Cheapest Retailer
-
€140 EUR
$156 USD
A
Retailer 2
-
€156 EUR
$174 USD
View
Final sale: no returns
A
Retailer 3
-
€162 EUR
$181 USD
View
Retailer 4
-
€173 EUR
$193 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€173 EUR
$193 USD
View
A
Retailer 6
-
€195 EUR
HK$1,700 HKD
View
B+
Retailer 7
-
€235 EUR
$262 USD
View
A
Retailer 8
-
€303 EUR
View
A
Retailer 9
-
€303 EUR
£267 GBP
View
A
Retailer 10
-
€397 EUR
$444 USD
View
B+
Retailer 11
-
€479 EUR
$535 USD
View
B+
Retailer 12
-
€557 EUR
$622 USD
View
B
Retailer 13
-
€572 EUR
SGD 864 SGD
View
B+
Retailer 14
-
€587 EUR
$656 USD
View
B
Retailer 15
-
€591 EUR
$660 USD
View
B
Retailer 16
-
€606 EUR
$677 USD
View
B
Retailer 17
-
€809 EUR
£712 GBP
View
Most Expensive
B
Reve Diamonds
F92EADF83 · Nov 1
€942 EUR
$1,053 USD
View
17 more retailers have this diamond
Prices start from €140 EURSave up to €803 EUR

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
€140 EUR