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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830620119

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

Certificate IGI LG830620119

Diamond specifications and retailer prices

From $963 SGD
$753 USD
As of October 29, 2026
Save $4,841 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,804 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830620119 or 830620119. Listed at 14 retailers as of October 29, 2026, with prices from $963 to $5,804, a $4,841 spread on the same certified stone. Brilliant Earth lists it at $5,804. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620119
Dimensions8.40 × 6.21 × 4.23 mm
L/W Ratio1.35
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
8.40 mm6.21 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620119
Side View
Table 67.0%Crown 40.7°Girdle: ThickPavilion 37.5°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $5,804 SGD|Low: $963 SGD|High: $5,804 SGD|Avg: $2,282 SGD
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 31, 2026
Retailer 14$963 SGD
Retailer 4$968 SGD
Retailer 9$1,091 SGD
Retailer 3$1,189 SGD
Retailer 7$1,538 SGD
Retailer 2$1,538 SGD
Retailer 10$1,570 SGD
Retailer 12$2,051 SGD
Retailer 8$2,458 SGD
Retailer 6$3,165 SGD
Retailer 13$3,321 SGD
Retailer 5$3,495 SGD
Retailer 11$3,697 SGD
Brilliant Earth$5,804 SGD

3 data points across 14 retailers

14 retailers$963 SGD to $5,804 SGD

A
Cheapest Retailer
-
$963 SGD
$753 USD
A
Retailer 2
-
$968 SGD
$757 USD
View
Final sale: no returns
A
Retailer 3
-
$1,091 SGD
£672 GBP
View
A
Retailer 4
-
$1,189 SGD
$930 USD
View
A
Retailer 5
-
$1,538 SGD
£947 GBP
View
Retailer 6
-
$1,538 SGD
€1,146 EUR
View
A
Retailer 7
-
$1,570 SGD
$1,228 USD
View
B+
Retailer 8
-
$2,051 SGD
$1,604 USD
View
B+
Retailer 9
-
$2,458 SGD
$1,923 USD
View
B
Retailer 10
-
$3,165 SGD
$2,476 USD
View
B
Retailer 11
-
$3,321 SGD
$2,597 USD
View
B
Retailer 12
-
$3,495 SGD
View
B
Retailer 13
-
$3,697 SGD
$2,892 USD
View
Most Expensive
B
Brilliant Earth
22348624A · Oct 30
$5,804 SGD
$4,540 USD
View
13 more retailers have this diamond
Prices start from $963 SGDSave up to $4,841 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
1.87ct Radiant
$963 SGD