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Oval|Lab Grown|IGI

1.87ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG785618025

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG785618025

Diamond specifications and retailer prices

From $2,166 SGD
$1,690 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $2,166 SGD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.87ct lab-grown oval diamond

This 1.87ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG785618025 or 785618025. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.87
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG785618025
Dimensions9.71 × 6.94 × 4.37 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.71 mm6.94 mm1.87 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG785618025
Side View
Table 56.0%Crown 35.1°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $2,166 SGD|Low: $256 SGD|High: $2,166 SGD|Avg: $961 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 2, 2026
Retailer 3$256 SGD
Retailer 2$463 SGD
Retailer 6$724 SGD
Retailer 10$820 SGD
Retailer 5$928 SGD
Retailer 4$1,118 SGD
Retailer 7$1,127 SGD
Retailer 8$1,292 SGD
Retailer 9$1,547 SGD
Brilliant Earth$2,166 SGD

52 data points across 10 retailers

1 retailer

B
Brilliant Earth
19824309A · Oct 29
$2,166 SGD
$1,690 USD
View

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B
1.87ct Oval
$2,166 SGD