Radiant|Lab Grown|IGI

1.18ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG689562550

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

Certificate IGI LG689562550

Diamond specifications and retailer prices

From $215 USD
As of October 30, 2026
Save $2,069 USD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,284 USD at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.18ct lab-grown radiant diamond

This 1.18ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689562550 or 689562550. Listed at 19 retailers as of October 30, 2026, with prices from $215 to $2,284, a $2,069 spread on the same certified stone. Yadav Diamonds lists it at $2,284. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562550
Dimensions7.50 × 5.19 × 3.47 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
7.50 mm5.19 mm1.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562550
Side View
Table 67.0%Crown 48°Girdle: MediumPavilion 34.2°Culet: NoneDepth 66.9%

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: Oct 30
Current: $551 USD|Low: $203 USD|High: $2,110 USD|Avg: $728 USD|-3.5%
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
October 31, 2026
Retailer 14$215 USD
Retailer 5$239 USD
Retailer 8$249 USD
Retailer 4$266 USD
Retailer 7$266 USD
Retailer 9$357 USD
Retailer 12$505 USD
Retailer 1$551 USD
Retailer 3$567 USD
Retailer 15$583 USD
Retailer 13$717 USD
Retailer 17$776 USD
Retailer 6$945 USD
Retailer 2$1,116 USD
Retailer 11$1,184 USD
Retailer 10$1,710 USD
Retailer 16$2,060 USD

22 data points across 17 retailers

19 retailers$215 USD to $2,284 USD

A
Cheapest Retailer
-
$215 USD
A
Retailer 2
-
$239 USD
View
Final sale: no returns
A
Retailer 3
-
$249 USD
View
A
Retailer 4
-
$266 USD
View
A
Retailer 5
-
$266 USD
View
A
Retailer 6
-
$357 USD
View
A
Retailer 7
-
$505 USD
ZAR 8,158 ZAR
View
A
Retailer 8
-
$551 USD
£434 GBP
View
A
Retailer 9
-
$567 USD
View
A
Retailer 10
-
$583 USD
View
B+
Retailer 11
-
$717 USD
A$1,103 AUD
View
B+
Retailer 12
-
$776 USD
View
B+
Retailer 13
-
$945 USD
View
B+
Retailer 14
-
$1,116 USD
View
B+
Retailer 15
-
$1,184 USD
£932 GBP
View
B
Retailer 16
-
$1,710 USD
View
B
Retailer 17
-
$2,060 USD
View
B
Retailer 18
-
$2,240 USD
View
Most Expensive
B
Yadav Diamonds
13004996 · Oct 30
$2,284 USD
View
18 more retailers have this diamond
Prices start from $215 USDSave up to $2,069 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
1.18ct Radiant
$215 USD