Radiant|Lab Grown|IGI

1.05ct F IF Radiant Lab Grown Diamond

EX • F/IF • IGI LG734533277

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

Certificate IGI LG734533277

Diamond specifications and retailer prices

From $171 USD
As of November 4, 2026
Save $1,469 USD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,880 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG734533277 or 734533277. Listed at 25 retailers as of November 4, 2026, with a 859% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734533277
Dimensions7.58 × 5.05 × 3.32 mm
L/W Ratio1.50
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
7.58 mm5.05 mm1.05 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734533277
Side View
Table 63.0%Crown 37.5°Girdle: MediumPavilion 35°Culet: NoneDepth 65.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $420 USD|Low: $164 USD|High: $1,470 USD|Avg: $542 USD|+2.4%
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
November 5, 2026
Retailer 16$171 USD
Retailer 9$190 USD
Retailer 6$198 USD
Retailer 2$212 USD
Retailer 7$212 USD
Retailer 3$301 USD
Retailer 5$332 USD
Retailer 11$404 USD
Retailer 1$420 USD
Retailer 8$454 USD
Retailer 10$570 USD
Retailer 14$720 USD
Retailer 4$752 USD
Retailer 15$925 USD
Retailer 13$1,085 USD
Retailer 12$1,094 USD
Retailer 17$1,470 USD

45 data points across 17 retailers

25 retailers$171 USD to $1,640 USD

A
Cheapest Retailer
-
$171 USD
A
Retailer 2
-
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$198 USD
View
Retailer 4
-
$212 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$212 USD
View
B+
Retailer 6
-
$301 USD
View
A
Retailer 7
-
$332 USD
View
A
Retailer 8
-
$404 USD
View
A
Retailer 9
-
$420 USD
View
A
Retailer 10
-
$454 USD
View
A
Retailer 11
-
$476 USD
View
A
Retailer 12
-
$570 USD
View
B+
Retailer 13
-
$720 USD
View
B+
Retailer 14
-
$752 USD
View
B+
Retailer 15
-
$804 USD
View
B
Retailer 16
-
$925 USD
View
Retailer 17
-
$1,057 USD
View
Price last confirmed 61 days ago
Retailer 18
-
$1,060 USD
View
Price last confirmed 16 days ago
Retailer 19
-
$1,085 USD
View
Price last confirmed 16 days ago
B+
Retailer 20
-
$1,094 USD
View
B
Retailer 21
-
$1,102 USD
View
Retailer 22
-
$1,125 USD
View
Price last confirmed 39 days ago
B
Retailer 23
-
$1,470 USD
View
B
Retailer 24
-
$1,640 USD
View
Most Expensive
Queensmith
LG734533277 · Oct 27
$1,880 USD
£1,480 GBP
View
Price last confirmed 9 days ago
24 more retailers have this diamond
Prices start from $171 USDSave up to $1,469 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
1.05ct Radiant
$171 USD