Radiant|Lab Grown|IGI

1.18ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG815647770

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

Certificate IGI LG815647770

Diamond specifications and retailer prices

From $267 USD
As of October 30, 2026
Save $937 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,204 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG815647770 or 815647770. Listed at 15 retailers as of October 29, 2026, with prices from $267 to $1,204, a $937 spread on the same certified stone. MOH London lists it at $1,204. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815647770
Dimensions7.90 × 5.08 × 3.42 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.90 mm5.08 mm1.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815647770
Side View
Table 66.0%Crown 40.4°Girdle: MediumPavilion 36.2°Culet: NoneDepth 67.3%

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 30
Current: $1,204 USD|Low: $267 USD|High: $1,247 USD|Avg: $732 USD|-3.5%
MOH London
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
November 1, 2026
Retailer 15$267 USD
Retailer 9$278 USD
Retailer 14$400 USD
Retailer 8$476 USD
Retailer 7$511 USD
Retailer 2$559 USD
Retailer 13$610 USD
Retailer 6$731 USD
Retailer 12$732 USD
Retailer 4$959 USD
Retailer 10$960 USD
Retailer 3$1,009 USD
Retailer 11$1,036 USD
Retailer 5$1,144 USD
MOH London$1,204 USD

23 data points across 15 retailers

15 retailers$267 USD to $1,204 USD

A
Cheapest Retailer
-
$267 USD
Final sale: no returns
A
Retailer 2
-
$278 USD
View
A
Retailer 3
-
$400 USD
View
A
Retailer 4
-
$476 USD
€453 EUR
View
Retailer 5
-
$511 USD
ZAR 8,251 ZAR
View
Price last confirmed 9 days ago
A
Retailer 6
-
$559 USD
£440 GBP
View
A
Retailer 7
-
$610 USD
View
B+
Retailer 8
-
$731 USD
A$1,125 AUD
View
B+
Retailer 9
-
$732 USD
View
B+
Retailer 10
-
$959 USD
SGD 1,296 SGD
View
B+
Retailer 11
-
$960 USD
View
B+
Retailer 12
-
$1,009 USD
View
B+
Retailer 13
-
$1,036 USD
View
B
Retailer 14
-
$1,144 USD
A$1,760 AUD
View
Most Expensive
B+
MOH London
LG815647770 · Oct 29
$1,204 USD
£948 GBP
View
14 more retailers have this diamond
Prices start from $267 USDSave up to $937 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
$267 USD