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Emerald|Lab Grown|IGI

1.81ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG447000877

Shape and cutting style on the report: Emerald cut

Certificate IGI LG447000877

Diamond specifications and retailer prices

From $167 USD
As of November 1, 2026
Save $923 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,090 USD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.81ct lab-grown emerald diamond

This 1.81ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000877 or 447000877. Listed at 13 retailers as of November 1, 2026, with prices from $167 to $1,090, a $923 spread on the same certified stone. Rare Carat lists it at $1,090. 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

1.81
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle20.7°
Pavilion angle44.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000877
Dimensions7.86 × 5.83 × 3.94 mm
L/W Ratio1.35
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.86 mm5.83 mm1.81 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000877
Side View
Table 65.5%Crown 20.7°Girdle: MediumPavilion 44.7°Culet: LNGDepth 67.6%

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: $1,090 USD|Low: $132 USD|High: $1,490 USD|Avg: $615 USD|+3.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 7$167 USD
Retailer 10$187 USD
Retailer 8$208 USD
Retailer 13$333 USD
Retailer 3$370 USD
Retailer 9$373 USD
Retailer 11$481 USD
Retailer 5$554 USD
Retailer 4$680 USD
Retailer 6$705 USD
Retailer 2$975 USD
Rare Carat$1,090 USD
Retailer 12$1,490 USD

16 data points across 13 retailers

13 retailers$167 USD to $1,090 USD

A
Cheapest Retailer
-
$167 USD
A
Retailer 2
-
$187 USD
View
Final sale: no returns
A
Retailer 3
-
$194 USD
View
Retailer 4
-
$208 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$208 USD
View
A
Retailer 6
-
$230 USD
HK$1,800 HKD
View
B+
Retailer 7
-
$373 USD
View
A
Retailer 8
-
$481 USD
View
B+
Retailer 9
-
$667 USD
View
B+
Retailer 10
-
$680 USD
SGD 919 SGD
View
B+
Retailer 11
-
$705 USD
View
B+
Retailer 12
-
$975 USD
£768 GBP
View
Most Expensive
B
Rare Carat
1178_l_447000877 · Nov 1
$1,090 USD
View
12 more retailers have this diamond
Prices start from $167 USDSave up to $923 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
1.81ct Emerald
$167 USD