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Radiant|Lab Grown|IGI

1.90ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG656412184

Certificate IGI LG656412184

Diamond specifications and retailer prices

From $450 USD
Save $5,210 USD (92%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,660 USD at Brilliant Earth
View at Brilliant Earth

About this 1.9ct lab-grown radiant diamond

This 1.9ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG656412184 or 656412184. Listed at 26 retailers, with prices from $450 to $5,660 at Brilliant Earth, a $5,210 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656412184
Dimensions9.17 × 6.33 × 4.00 mm
L/W Ratio1.45
Culet sizePointed
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
9.17 mm6.33 mm1.90 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656412184
Side View
Table 60.0%Crown 36°Girdle: MediumPavilion 33°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $5,660 USD|Low: $359 USD|High: $5,660 USD|Avg: $1,874 USD
Brilliant Earth
Retailer 2
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Retailer 25
October 1, 2026
Retailer 21$450 USD
Retailer 9$504 USD
Retailer 24$504 USD
Retailer 5$551 USD
Retailer 3$558 USD
Retailer 13$658 USD
Retailer 16$742 USD
Retailer 19$794 USD
Retailer 7$811 USD
Retailer 4$845 USD
Retailer 22$1,017 USD
Retailer 25$1,037 USD
Retailer 15$1,235 USD
Retailer 11$1,386 USD
Retailer 20$1,621 USD
Retailer 10$1,798 USD
Retailer 12$1,981 USD
Retailer 17$2,125 USD
Retailer 6$2,158 USD
Retailer 8$2,285 USD
Retailer 2$2,605 USD
Retailer 23$3,255 USD
Retailer 18$3,556 USD
Retailer 14$4,000 USD
Brilliant Earth$5,660 USD

40 data points across 25 retailers

26 retailers$450 USD to $5,660 USD

A
Cheapest Retailer
-
$450 USD
A
Retailer 2
-
$504 USD
View
A
Retailer 3
-
$504 USD
View
A
Retailer 4
-
$551 USD
View
A
Retailer 5
-
$558 USD
View
A
Retailer 6
-
$658 USD
£518 GBP
View
A
Retailer 7
-
$742 USD
HK$5,800 HKD
View
A
Retailer 8
-
$794 USD
View
A
Retailer 9
-
$811 USD
View
A
Retailer 10
-
$845 USD
View
A
Retailer 11
-
$1,020 USD
£803 GBP
View
A
Retailer 12
-
$1,037 USD
ZAR 16,759 ZAR
View
A
Retailer 13
-
$1,235 USD
View
B+
Retailer 14
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$1,386 USD
View
B+
Retailer 15
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$1,621 USD
View
B+
Retailer 16
-
$1,798 USD
£1,416 GBP
View
B+
Retailer 17
-
$1,981 USD
View
B+
Retailer 18
-
$2,125 USD
View
B+
Retailer 19
-
$2,158 USD
SGD 2,916 SGD
View
B+
Retailer 20
-
$2,261 USD
View
B+
Retailer 21
-
$2,285 USD
View
B+
Retailer 22
-
$2,605 USD
£2,051 GBP
View
B
Retailer 23
-
$3,255 USD
View
B
Retailer 24
-
$3,556 USD
£2,800 GBP
View
B
Retailer 25
-
$4,000 USD
View
Most Expensive
B
Brilliant Earth
20152258Y · Sep 29
$5,660 USD
View
25 more retailers have this diamond
Prices start from $450 USDSave up to $5,210 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.

A
1.90ct Radiant
$450 USD