Emerald|Lab Grown|IGI

1.55ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG660401673

Shape and cutting style on the report: Emerald cut

Certificate IGI LG660401673

Diamond specifications and retailer prices

From $332 USD
As of October 30, 2026
Save $1,328 USD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,193 USD at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 1.55ct lab-grown emerald diamond

This 1.55ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG660401673 or 660401673. Listed at 24 retailers as of October 29, 2026, with a 400% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660401673
Dimensions7.87 × 5.43 × 3.64 mm
L/W Ratio1.45
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
7.87 mm5.43 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660401673
Side View
Table 64.0%Crown 37.6°Girdle: MediumPavilion 38.1°Culet: LNGDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $565 USD|Low: $319 USD|High: $1,671 USD|Avg: $787 USD|-11.9%
Retailer 1
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Retailer 17
October 31, 2026
Retailer 17$332 USD
Retailer 9$371 USD
Retailer 5$385 USD
Retailer 2$412 USD
Retailer 3$412 USD
Retailer 1$565 USD
Retailer 15$565 USD
Retailer 8$670 USD
Retailer 11$679 USD
Retailer 14$708 USD
Retailer 10$738 USD
Retailer 13$960 USD
Retailer 16$1,208 USD
Retailer 7$1,320 USD
Retailer 4$1,324 USD
Retailer 6$1,478 USD
Retailer 12$1,660 USD

42 data points across 17 retailers

24 retailers$332 USD to $1,660 USD

A
Cheapest Retailer
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$332 USD
A
Retailer 2
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$371 USD
View
Final sale: no returns
A
Retailer 3
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$385 USD
View
A
Retailer 4
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$412 USD
View
A
Retailer 5
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$412 USD
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A
Retailer 6
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$461 USD
HK$3,600 HKD
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A
Retailer 7
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$565 USD
View
A
Retailer 8
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$565 USD
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A
Retailer 9
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$670 USD
View
A
Retailer 10
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$679 USD
€647 EUR
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A
Retailer 11
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$708 USD
ZAR 11,435 ZAR
View
A
Retailer 12
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$738 USD
£581 GBP
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A
Retailer 13
-
$960 USD
A$1,477 AUD
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B+
Retailer 14
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$1,068 USD
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B+
Retailer 15
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$1,208 USD
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B+
Retailer 16
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$1,320 USD
SGD 1,784 SGD
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B+
Retailer 17
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$1,324 USD
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B+
Retailer 18
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$1,368 USD
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B+
Retailer 19
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$1,478 USD
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B+
Retailer 20
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$1,556 USD
View
B
Retailer 21
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$1,600 USD
£1,260 GBP
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B
Retailer 22
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$1,615 USD
View
B+
Retailer 23
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$1,660 USD
£1,307 GBP
View
Most Expensive
Rare Carat
206C67-7A · Sep 9
$2,193 USD
View
Price last confirmed 52 days ago
23 more retailers have this diamond
Prices start from $332 USDSave up to $1,328 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
1.55ct Emerald
$332 USD