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Radiant|Lab Grown|IGI

1.86ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825660146

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

Certificate IGI LG825660146

Diamond specifications and retailer prices

From $826 SGD
$646 USD
As of October 30, 2026
Save $4,953 SGD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,778 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.86ct lab-grown radiant diamond

This 1.86ct 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 LG825660146 or 825660146. Listed at 22 retailers as of October 30, 2026, with prices from $826 to $5,778, a $4,953 spread on the same certified stone. Brilliant Earth lists it at $5,778. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660146
Dimensions8.58 × 6.01 × 4.13 mm
L/W Ratio1.43
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
8.58 mm6.01 mm1.86 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660146
Side View
Table 65.0%Crown 45.2°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 68.7%

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: Oct 30
Current: $5,778 SGD|Low: $826 SGD|High: $7,619 SGD|Avg: $2,646 SGD|-24.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 11$826 SGD
Retailer 20$897 SGD
Retailer 10$958 SGD
Retailer 7$963 SGD
Retailer 16$1,183 SGD
Retailer 3$1,287 SGD
Retailer 13$1,530 SGD
Retailer 17$1,565 SGD
Retailer 2$1,638 SGD
Retailer 15$1,759 SGD
Retailer 5$2,030 SGD
Retailer 4$2,226 SGD
Retailer 8$2,692 SGD
Retailer 6$2,981 SGD
Retailer 19$3,147 SGD
Retailer 12$3,304 SGD
Retailer 9$3,479 SGD
Retailer 18$4,039 SGD
Retailer 21$4,903 SGD
Brilliant Earth$5,778 SGD
Retailer 14$5,778 SGD

32 data points across 21 retailers

22 retailers$826 SGD to $5,778 SGD

A
Cheapest Retailer
-
$826 SGD
$646 USD
A
Retailer 2
-
$897 SGD
$702 USD
View
A
Retailer 3
-
$958 SGD
$749 USD
View
A
Retailer 4
-
$963 SGD
$753 USD
View
Final sale: no returns
Retailer 5
-
$1,021 SGD
$799 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,183 SGD
$925 USD
View
A
Retailer 7
-
$1,287 SGD
$1,007 USD
View
A
Retailer 8
-
$1,530 SGD
£942 GBP
View
A
Retailer 9
-
$1,565 SGD
$1,224 USD
View
A
Retailer 10
-
$1,638 SGD
€1,220 EUR
View
B+
Retailer 11
-
$1,759 SGD
ZAR 22,229 ZAR
View
B+
Retailer 12
-
$2,030 SGD
$1,588 USD
View
B+
Retailer 13
-
$2,226 SGD
$1,741 USD
View
B+
Retailer 14
-
$2,692 SGD
$2,106 USD
View
B+
Retailer 15
-
$2,981 SGD
£1,836 GBP
View
B+
Retailer 16
-
$3,147 SGD
$2,462 USD
View
B+
Retailer 17
-
$3,304 SGD
$2,584 USD
View
B+
Retailer 18
-
$3,479 SGD
View
B
Retailer 19
-
$4,039 SGD
£2,488 GBP
View
B
Retailer 20
-
$4,903 SGD
$3,835 USD
View
Retailer 21
-
$5,778 SGD
$4,520 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21434150A · Oct 30
$5,778 SGD
$4,520 USD
View
21 more retailers have this diamond
Prices start from $826 SGDSave up to $4,953 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
1.86ct Radiant
$826 SGD