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Emerald|Lab Grown|IGI

5.12ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG621457283

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621457283

Diamond specifications and retailer prices

From $1,187 SGD
$926 USD
As of October 28, 2026
Save $9,131 SGD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,318 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.12ct lab-grown emerald diamond

This 5.12ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621457283 or 621457283. Listed at 16 retailers as of October 28, 2026, with prices from $1,187 to $10,318, a $9,131 spread on the same certified stone. Brilliant Earth lists it at $10,318. 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

5.12
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621457283
Dimensions11.67 × 8.11 × 5.26 mm
L/W Ratio1.44
Culet sizeLong
Top View
11.67 mm8.11 mm5.12 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621457283
Side View
Table 66.0%Crown 33.1°Girdle: Slightly ThickPavilion 37.3°Culet: LNGDepth 64.9%

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 28
Current: $10,318 SGD|Low: $948 SGD|High: $10,638 SGD|Avg: $2,708 SGD|-3.0%
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
Retailer 14
October 28, 2026
Retailer 10$1,187 SGD
Retailer 6$1,264 SGD
Retailer 3$1,292 SGD
Retailer 5$1,329 SGD
Retailer 11$1,378 SGD
Retailer 14$1,378 SGD
Retailer 7$1,602 SGD
Retailer 4$1,832 SGD
Retailer 2$2,109 SGD
Retailer 12$2,207 SGD
Retailer 9$3,065 SGD
Retailer 13$3,872 SGD
Retailer 8$4,677 SGD
Brilliant Earth$10,318 SGD

41 data points across 14 retailers

16 retailers$1,187 SGD to $10,318 SGD

A
Cheapest Retailer
-
$1,187 SGD
$926 USD
A
Retailer 2
-
$1,292 SGD
$1,008 USD
View
A
Retailer 3
-
$1,329 SGD
$1,037 USD
View
Final sale: no returns
A
Retailer 4
-
$1,378 SGD
$1,075 USD
View
A
Retailer 5
-
$1,378 SGD
$1,075 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,602 SGD
$1,250 USD
View
B+
Retailer 7
-
$1,832 SGD
$1,429 USD
View
B+
Retailer 8
-
$2,109 SGD
£1,296 GBP
View
B+
Retailer 9
-
$2,207 SGD
$1,722 USD
View
B
Retailer 10
-
$3,065 SGD
$2,391 USD
View
B
Retailer 11
-
$3,872 SGD
$3,021 USD
View
B
Retailer 12
-
$4,291 SGD
$3,348 USD
View
B
Retailer 13
-
$4,677 SGD
£2,873 GBP
View
B
Retailer 14
-
$4,789 SGD
$3,737 USD
View
B
Retailer 15
-
$8,121 SGD
HK$49,500 HKD
View
Most Expensive
B
Brilliant Earth
17976517A · Oct 28
$10,318 SGD
$8,050 USD
View
15 more retailers have this diamond
Prices start from $1,187 SGDSave up to $9,131 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
5.12ct Emerald
$1,187 SGD