CaratHunter
Plans
Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG842604216

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842604216

Diamond specifications and retailer prices

From $311 AUD
$218 USD
As of November 1, 2026
Save $1,801 AUD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,112 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round 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 LG842604216 or 842604216. Listed at 20 retailers as of November 1, 2026, with prices from $311 to $2,112, a $1,801 spread on the same certified stone. Brilliant Earth lists it at $2,112. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842604216
Dimensions6.75 × 6.79 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.75 mm6.79 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842604216
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.0%

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 1
Current: $2,112 AUD|Low: $311 AUD|High: $2,426 AUD|Avg: $949 AUD|-12.9%
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 21$311 AUD
Retailer 8$348 AUD
Retailer 19$361 AUD
Retailer 9$387 AUD
Retailer 10$387 AUD
Retailer 5$616 AUD
Retailer 11$662 AUD
Retailer 15$667 AUD
Retailer 17$668 AUD
Retailer 13$709 AUD
Retailer 7$731 AUD
Retailer 18$944 AUD
Retailer 20$983 AUD
Retailer 2$1,019 AUD
Retailer 4$1,241 AUD
Retailer 12$1,295 AUD
Retailer 14$1,317 AUD
Retailer 6$1,377 AUD
Retailer 16$1,548 AUD
Retailer 3$1,891 AUD
Brilliant Earth$2,112 AUD

19 data points across 21 retailers

20 retailers$311 AUD to $2,112 AUD

A
Cheapest Retailer
-
$311 AUD
$218 USD
A
Retailer 2
-
$348 AUD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$361 AUD
$253 USD
View
A
Retailer 4
-
$387 AUD
$271 USD
View
Retailer 5
-
$387 AUD
$271 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$662 AUD
$464 USD
View
A
Retailer 7
-
$667 AUD
ZAR 7,548 ZAR
View
A
Retailer 8
-
$668 AUD
€446 EUR
View
A
Retailer 9
-
$709 AUD
£391 GBP
View
A
Retailer 10
-
$731 AUD
$512 USD
View
B+
Retailer 11
-
$944 AUD
View
B+
Retailer 12
-
$983 AUD
$689 USD
View
B+
Retailer 13
-
$1,019 AUD
$714 USD
View
B+
Retailer 14
-
$1,241 AUD
$870 USD
View
B+
Retailer 15
-
$1,295 AUD
SGD 1,226 SGD
View
B+
Retailer 16
-
$1,317 AUD
$923 USD
View
B+
Retailer 17
-
$1,377 AUD
$965 USD
View
B+
Retailer 18
-
$1,548 AUD
£854 GBP
View
B
Retailer 19
-
$1,891 AUD
$1,325 USD
View
Most Expensive
B
Brilliant Earth
22132106A · Nov 2
$2,112 AUD
$1,480 USD
View
19 more retailers have this diamond
Prices start from $311 AUDSave up to $1,801 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 Round
$311 AUD