Radiant|Lab Grown|IGI

1.86ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG833668463

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

Certificate IGI LG833668463

Diamond specifications and retailer prices

From $1,118 USD
As of October 29, 2026
Save $3,728 USD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,846 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

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 very-good cut grade and certified by IGI LG833668463 or 833668463. Listed at 9 retailers as of October 29, 2026, with prices from $1,118 to $4,846, a $3,728 spread on the same certified stone. Blue Nile lists it at $4,846. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.86
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833668463
Dimensions8.93 × 6.05 × 4.14 mm
L/W Ratio1.48
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
8.93 mm6.05 mm1.86 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833668463
Side View
Table 64.0%Crown 44°Girdle: MediumPavilion 36.8°Culet: NoneDepth 68.4%

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 29
Current: $4,846 USD|Low: $1,118 USD|High: $5,878 USD|Avg: $2,651 USD|-17.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9$1,118 USD
Retailer 4$1,218 USD
Retailer 2$1,257 USD
Retailer 7$1,282 USD
Retailer 6$1,599 USD
Retailer 8$2,715 USD
Retailer 3$3,334 USD
Retailer 5$4,490 USD
Blue Nile$4,846 USD

28 data points across 9 retailers

9 retailers$1,118 USD to $4,846 USD

A
Cheapest Retailer
-
$1,118 USD
Retailer 2
-
$1,218 USD
€1,160 EUR
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,257 USD
£990 GBP
View
A
Retailer 4
-
$1,282 USD
View
B+
Retailer 5
-
$1,599 USD
View
B
Retailer 6
-
$2,715 USD
View
B
Retailer 7
-
$3,334 USD
£2,625 GBP
View
Retailer 8
-
$4,490 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Blue Nile
30305170 · Oct 29
$4,846 USD
View
8 more retailers have this diamond
Prices start from $1,118 USDSave up to $3,728 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
1.86ct Radiant
$1,118 USD