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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG523291787

Shape and cutting style on the report: Emerald cut

Certificate IGI LG523291787

Diamond specifications and retailer prices

From $180 SGD
$141 USD
As of October 29, 2026
Save $872 SGD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,202 SGD at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523291787 or 523291787. Listed at 17 retailers as of October 29, 2026, with a 484% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523291787
Dimensions6.56 × 4.86 × 3.22 mm
L/W Ratio1.35
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
6.56 mm4.86 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523291787
Side View
Table 69.0%Crown 29.3°Girdle: MediumPavilion 44.2°Culet: LNGDepth 66.3%

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 29
Current: $1,202 SGD|Low: $174 SGD|High: $1,240 SGD|Avg: $498 SGD|-3.1%
Brilliant Earth
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 30, 2026
Retailer 10$180 SGD
Retailer 4$202 SGD
Retailer 11$224 SGD
Retailer 12$224 SGD
Retailer 3$304 SGD
Retailer 2$384 SGD
Retailer 5$422 SGD
Retailer 8$425 SGD
Retailer 6$428 SGD
Retailer 13$537 SGD
Retailer 9$761 SGD
Retailer 7$1,052 SGD
Brilliant Earth$1,202 SGD

44 data points across 13 retailers

17 retailers$180 SGD to $1,052 SGD

A
Cheapest Retailer
-
$180 SGD
$141 USD
A
Retailer 2
-
$202 SGD
$158 USD
View
Final sale: no returns
A
Retailer 3
-
$210 SGD
$164 USD
View
A
Retailer 4
-
$224 SGD
$175 USD
View
A
Retailer 5
-
$224 SGD
$175 USD
View
B+
Retailer 6
-
$304 SGD
$238 USD
View
A
Retailer 7
-
$384 SGD
£236 GBP
View
B+
Retailer 8
-
$422 SGD
$330 USD
View
A
Retailer 9
-
$425 SGD
£262 GBP
View
B+
Retailer 10
-
$428 SGD
€319 EUR
View
B+
Retailer 11
-
$537 SGD
$420 USD
View
B+
Retailer 12
-
$659 SGD
£406 GBP
View
B+
Retailer 13
-
$720 SGD
$563 USD
View
B
Retailer 14
-
$761 SGD
$595 USD
View
B
Retailer 15
-
$791 SGD
$619 USD
View
B
Retailer 16
-
$1,052 SGD
£648 GBP
View
Most Expensive
Brilliant Earth
16211415A · Oct 15
$1,202 SGD
$940 USD
View
Price last confirmed 15 days ago
16 more retailers have this diamond
Prices start from $180 SGDSave up to $872 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
$180 SGD