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Emerald|Lab Grown|IGI

1.00ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG687545025

Shape and cutting style on the report: Emerald cut

Certificate IGI LG687545025

Diamond specifications and retailer prices

From $211 SGD
As of November 6, 2026
Save $1,172 SGD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,383 SGD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG687545025 or 687545025. Listed at 17 retailers as of November 4, 2026, with prices from $211 to $1,383, a $1,172 spread on the same certified stone. Reve Diamonds lists it at $1,383. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687545025
Dimensions6.71 × 4.75 × 3.24 mm
L/W Ratio1.41
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
6.71 mm4.75 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687545025
Side View
Table 64.0%Crown 34.7°Girdle: MediumPavilion 39.8°Culet: LargeDepth 68.2%

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 6
Current: $459 SGD|Low: $201 SGD|High: $1,383 SGD|Avg: $590 SGD|+4.7%
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
Reve Diamonds
November 6, 2026
Retailer 4$211 SGD
Retailer 13$236 SGD
Retailer 10$245 SGD
Retailer 2$262 SGD
Retailer 6$262 SGD
Retailer 1$459 SGD
Retailer 9$470 SGD
Retailer 14$470 SGD
Retailer 11$556 SGD
Retailer 12$570 SGD
Retailer 3$842 SGD
Retailer 8$889 SGD
Retailer 5$911 SGD
Retailer 7$1,220 SGD
Reve Diamonds$1,383 SGD

46 data points across 15 retailers

17 retailers$211 SGD to $1,383 SGD

Retailer 1
-
$209 SGD
Price last confirmed 45 days ago
A
Retailer 2
-
$211 SGD
View
A
Retailer 3
-
$236 SGD
View
Final sale: no returns
A
Retailer 4
-
$245 SGD
View
Retailer 5
-
$262 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$262 SGD
View
B+
Retailer 7
-
$459 SGD
View
B+
Retailer 8
-
$470 SGD
View
Retailer 9
-
$470 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$556 SGD
View
B+
Retailer 11
-
$570 SGD
View
B
Retailer 12
-
$692 SGD
View
B
Retailer 13
-
$842 SGD
View
B
Retailer 14
-
$889 SGD
View
B
Retailer 15
-
$911 SGD
View
B
Retailer 16
-
$1,220 SGD
View
Most Expensive
B
Reve Diamonds
12EC71875 · Nov 4
$1,383 SGD
$1,083 USD
View
16 more retailers have this diamond
Prices start from $211 SGDSave up to $1,172 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
1.00ct Emerald
$211 SGD