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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 $474 NZD
As of November 4, 2026
Save $1,642 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,116 NZD at MOH London · As of November 2, 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 November 2, 2026, with prices from $474 to $2,116, a $1,642 spread on the same certified stone. MOH London lists it at $2,116. 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
Colour
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

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: $2,116 NZD|Low: $474 NZD|High: $2,194 NZD|Avg: $1,296 NZD|-3.6%
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 5, 2026
Retailer 6$474 NZD
Retailer 10$491 NZD
Retailer 5$710 NZD
Retailer 15$843 NZD
Retailer 14$910 NZD
Retailer 8$986 NZD
Retailer 4$1,082 NZD
Retailer 13$1,288 NZD
Retailer 3$1,299 NZD
Retailer 2$1,691 NZD
Retailer 11$1,696 NZD
Retailer 12$1,783 NZD
Retailer 9$1,831 NZD
Retailer 7$2,029 NZD
MOH London$2,116 NZD

24 data points across 15 retailers

15 retailers$474 NZD to $2,116 NZD

A
Cheapest Retailer
-
$474 NZD
Final sale: no returns
A
Retailer 2
-
$491 NZD
View
A
Retailer 3
-
$710 NZD
View
A
Retailer 4
-
$843 NZD
View
A
Retailer 5
-
$910 NZD
View
A
Retailer 6
-
$986 NZD
View
A
Retailer 7
-
$1,082 NZD
View
B+
Retailer 8
-
$1,288 NZD
View
B+
Retailer 9
-
$1,299 NZD
View
B+
Retailer 10
-
$1,691 NZD
View
B+
Retailer 11
-
$1,696 NZD
View
B+
Retailer 12
-
$1,783 NZD
View
B+
Retailer 13
-
$1,831 NZD
View
B
Retailer 14
-
$2,029 NZD
View
Most Expensive
B+
MOH London
LG815647770 · Nov 2
$2,116 NZD
£939 GBP
View
14 more retailers have this diamond
Prices start from $474 NZDSave up to $1,642 NZD

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
$474 NZD