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Emerald|Lab Grown|IGI

1.91ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG578315529

Shape and cutting style on the report: Emerald cut

Certificate IGI LG578315529

Diamond specifications and retailer prices

From $497 SGD
$388 USD
As of October 27, 2026
Save $5,219 SGD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,716 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown emerald diamond

This 1.91ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG578315529 or 578315529. Listed at 26 retailers as of October 27, 2026, with prices from $497 to $5,716, a $5,219 spread on the same certified stone. Brilliant Earth lists it at $5,716. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578315529
Dimensions5.83 × 5.83 × 3.87 mm
L/W Ratio1.00
Culet sizeLarge
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
5.83 mm5.83 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578315529
Side View
Table 62.0%Crown 30.4°Girdle: MED-STKPavilion 40.6°Culet: LargeDepth 66.4%

Caratlytics Score

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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: Oct 27
Current: $5,716 SGD|Low: $497 SGD|High: $6,447 SGD|Avg: $2,066 SGD|-11.3%
Brilliant Earth
Retailer 2
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Retailer 24
October 29, 2026
Retailer 23$497 SGD
Retailer 18$556 SGD
Retailer 16$558 SGD
Retailer 8$618 SGD
Retailer 9$618 SGD
Retailer 7$673 SGD
Retailer 22$807 SGD
Retailer 4$831 SGD
Retailer 24$951 SGD
Retailer 19$989 SGD
Retailer 21$1,061 SGD
Retailer 2$1,119 SGD
Retailer 13$1,433 SGD
Retailer 3$1,480 SGD
Retailer 6$1,797 SGD
Retailer 11$1,968 SGD
Retailer 12$1,984 SGD
Retailer 5$2,031 SGD
Retailer 15$2,032 SGD
Retailer 10$2,300 SGD
Retailer 17$2,401 SGD
Retailer 20$2,425 SGD
Retailer 14$2,499 SGD
Brilliant Earth$5,716 SGD

30 data points across 24 retailers

26 retailers$497 SGD to $5,716 SGD

A
Cheapest Retailer
-
$497 SGD
$388 USD
A
Retailer 2
-
$556 SGD
$434 USD
View
Final sale: no returns
A
Retailer 3
-
$558 SGD
$435 USD
View
A
Retailer 4
-
$618 SGD
$482 USD
View
A
Retailer 5
-
$618 SGD
$482 USD
View
A
Retailer 6
-
$673 SGD
HK$4,100 HKD
View
A
Retailer 7
-
$807 SGD
$630 USD
View
A
Retailer 8
-
$831 SGD
$648 USD
View
A
Retailer 9
-
$951 SGD
$742 USD
View
A
Retailer 10
-
$989 SGD
€735 EUR
View
A
Retailer 11
-
$1,061 SGD
ZAR 13,371 ZAR
View
A
Retailer 12
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$1,119 SGD
£687 GBP
View
A
Retailer 13
-
$1,433 SGD
A$1,720 AUD
View
A
Retailer 14
-
$1,480 SGD
$1,155 USD
View
B+
Retailer 15
-
$1,797 SGD
£1,104 GBP
View
B+
Retailer 16
-
$1,968 SGD
View
B+
Retailer 17
-
$1,984 SGD
$1,548 USD
View
B+
Retailer 18
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$2,031 SGD
$1,585 USD
View
B+
Retailer 19
-
$2,032 SGD
$1,586 USD
View
B+
Retailer 20
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$2,160 SGD
$1,685 USD
View
B+
Retailer 21
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$2,300 SGD
$1,795 USD
View
B+
Retailer 22
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$2,320 SGD
$1,810 USD
View
Price last confirmed 43 days ago
B+
Retailer 23
-
$2,401 SGD
A$2,882 AUD
View
Price last confirmed 21 days ago
B+
Retailer 24
-
$2,425 SGD
£1,490 GBP
View
B+
Retailer 25
-
$2,499 SGD
$1,950 USD
View
Most Expensive
B
Brilliant Earth
18469400A · Oct 29
$5,716 SGD
$4,460 USD
View
25 more retailers have this diamond
Prices start from $497 SGDSave up to $5,219 SGD

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
1.91ct Emerald
$497 SGD