Radiant|Lab Grown|IGI

1.87ct F SI2 Radiant Lab Grown Diamond

EX • F/SI2 • IGI LG560218217

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG560218217

Diamond specifications and retailer prices

From $299 USD
As of November 6, 2026
Save $922 USD (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,221 USD at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 1.87ct lab-grown radiant diamond

This 1.87ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG560218217 or 560218217. Listed at 9 retailers as of November 6, 2026, with prices from $299 to $1,221, a $922 spread on the same certified stone. Michael Trio lists it at $1,221. 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle28.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG560218217
Dimensions9.58 × 4.92 × 4.02 mm
L/W Ratio1.95
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.58 mm4.92 mm1.87 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG560218217
Side View
Table 70.0%Crown 47.8°Girdle: MediumPavilion 28.7°Culet: NoneDepth 81.7%

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: Nov 6
Current: $1,221 USD|Low: $299 USD|High: $1,221 USD|Avg: $699 USD
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$299 USD
Retailer 7$383 USD
Retailer 6$510 USD
Retailer 3$594 USD
Retailer 2$616 USD
Retailer 5$920 USD
Retailer 4$1,100 USD
Michael Trio$1,221 USD

41 data points across 8 retailers

9 retailers$299 USD to $1,221 USD

A
Cheapest Retailer
-
$299 USD
B+
Retailer 2
-
$383 USD
View
A
Retailer 3
-
$422 USD
View
B+
Retailer 4
-
$510 USD
View
B+
Retailer 5
-
$594 USD
View
A
Retailer 6
-
$616 USD
View
B
Retailer 7
-
$920 USD
View
B
Retailer 8
-
$1,100 USD
View
Most Expensive
B
Michael Trio
8044477380 · Nov 6
$1,221 USD
SGD 1,650 SGD
View
8 more retailers have this diamond
Prices start from $299 USDSave up to $922 USD

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
1.87ct Radiant
$299 USD