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Radiant|Lab Grown|IGI

1.20ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG815606161

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

Certificate IGI LG815606161

Diamond specifications and retailer prices

From $374 AUD
As of November 5, 2026
Save $1,293 AUD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,685 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct 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 LG815606161 or 815606161. Listed at 13 retailers as of November 5, 2026, with a 345% 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

1.20
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815606161
Dimensions8.01 × 4.97 × 3.40 mm
L/W Ratio1.61
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.01 mm4.97 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815606161
Side View
Table 65.0%Crown 39.7°Girdle: STK-THKPavilion 34.5°Culet: NoneDepth 68.4%

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 5
Current: $1,074 AUD|Low: $374 AUD|High: $1,756 AUD|Avg: $994 AUD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 5$374 AUD
Retailer 8$560 AUD
Retailer 3$670 AUD
Retailer 2$723 AUD
Retailer 6$780 AUD
Retailer 4$867 AUD
Retailer 12$1,021 AUD
Retailer 1$1,074 AUD
Retailer 9$1,346 AUD
Retailer 11$1,346 AUD
Retailer 10$1,414 AUD
Retailer 7$1,667 AUD

26 data points across 12 retailers

13 retailers$374 AUD to $1,667 AUD

A
Cheapest Retailer
-
$374 AUD
Final sale: no returns
A
Retailer 2
-
$560 AUD
View
A
Retailer 3
-
$670 AUD
View
A
Retailer 4
-
$723 AUD
View
A
Retailer 5
-
$780 AUD
View
A
Retailer 6
-
$867 AUD
View
B+
Retailer 7
-
$1,021 AUD
View
B+
Retailer 8
-
$1,074 AUD
View
B+
Retailer 9
-
$1,346 AUD
View
B+
Retailer 10
-
$1,346 AUD
View
B+
Retailer 11
-
$1,414 AUD
View
B+
Retailer 12
-
$1,667 AUD
View
Most Expensive
Novita Diamonds
cert_815606161 · Oct 8
$1,685 AUD
View
Price last confirmed 28 days ago
12 more retailers have this diamond
Prices start from $374 AUDSave up to $1,293 AUD

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
1.20ct Radiant
$374 AUD