CaratHunter
Plans
Radiant|Lab Grown|IGI

1.90ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG651475543

Certificate IGI LG651475543

Diamond specifications and retailer prices

From $3,871 USD
3 retailers carry this diamond
Most expensive: $3,871 USD at Diamond Quarter
View at Diamond Quarter

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 LG651475543 or 651475543. Listed at 3 retailers. 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 angle41.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651475543
Dimensions8.75 × 6.30 × 4.11 mm
L/W Ratio1.39
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
8.75 mm6.30 mm1.90 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651475543
Side View
Table 64.0%Crown 41.3°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 65.2%

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: Oct 1
Current: $804 USD|Low: $300 USD|High: $5,660 USD|Avg: $1,663 USD|-7.2%
Retailer 1
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
August 15, 2026
Retailer 11$301 USD
Retailer 14$594 USD
Retailer 6$666 USD
Retailer 18$675 USD
Retailer 1$804 USD
Retailer 13$882 USD
Retailer 4$892 USD
Retailer 9$970 USD
Retailer 2$1,207 USD
Retailer 15$1,220 USD
Retailer 12$1,402 USD
Retailer 17$1,751 USD
Retailer 7$1,812 USD
Retailer 3$1,915 USD
Retailer 8$2,924 USD
Retailer 5$3,350 USD
Retailer 10$3,351 USD
Retailer 16$5,660 USD

57 data points across 18 retailers

3 retailers

A
Retailer 1
-
$882 USD
ZAR 14,245 ZAR
Price last confirmed 58 days ago
A
Retailer 2
-
$1,207 USD
View
Price last confirmed 48 days ago
Most Expensive
B
Diamond Quarter
1.9IFDLG43E79CN · Oct 1
$3,871 USD
View
2 more retailers have this diamond

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
$3,871 USD