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Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG807645112

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807645112

Diamond specifications and retailer prices

From $466 AUD
$328 USD
As of October 29, 2026
Save $4,596 AUD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,062 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807645112 or 807645112. Listed at 20 retailers as of October 28, 2026, with prices from $466 to $5,062, a $4,596 spread on the same certified stone. Brilliant Earth lists it at $5,062. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807645112
Dimensions7.40 × 7.37 × 4.56 mm
L/W Ratio1.00
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
7.40 mm7.37 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807645112
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $5,062 AUD|Low: $466 AUD|High: $5,844 AUD|Avg: $1,254 AUD|-13.4%
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
October 29, 2026
Retailer 2$466 AUD
Retailer 17$522 AUD
Retailer 8$540 AUD
Retailer 7$577 AUD
Retailer 9$582 AUD
Retailer 10$637 AUD
Retailer 13$743 AUD
Retailer 19$775 AUD
Retailer 5$796 AUD
Retailer 14$924 AUD
Retailer 15$946 AUD
Retailer 18$992 AUD
Retailer 4$1,024 AUD
Retailer 16$1,346 AUD
Retailer 11$1,705 AUD
Retailer 3$1,843 AUD
Retailer 6$1,856 AUD
Retailer 12$2,326 AUD
Brilliant Earth$5,062 AUD

16 data points across 19 retailers

20 retailers$466 AUD to $5,062 AUD

A+
Cheapest Retailer
-
$466 AUD
$328 USD
A
Retailer 2
-
$522 AUD
$367 USD
View
Final sale: no returns
A
Retailer 3
-
$540 AUD
$380 USD
View
A
Retailer 4
-
$577 AUD
$406 USD
View
A
Retailer 5
-
$582 AUD
$409 USD
View
A
Retailer 6
-
$637 AUD
HK$3,500 HKD
View
A
Retailer 7
-
$743 AUD
£412 GBP
View
A
Retailer 8
-
$775 AUD
$545 USD
View
A
Retailer 9
-
$796 AUD
$560 USD
View
A
Retailer 10
-
$924 AUD
€619 EUR
View
A
Retailer 11
-
$946 AUD
$665 USD
View
A
Retailer 12
-
$992 AUD
ZAR 11,273 ZAR
View
A
Retailer 13
-
$1,024 AUD
£567 GBP
View
A
Retailer 14
-
$1,346 AUD
View
B+
Retailer 15
-
$1,705 AUD
$1,199 USD
View
B+
Retailer 16
-
$1,843 AUD
SGD 1,752 SGD
View
B+
Retailer 17
-
$1,856 AUD
$1,305 USD
View
B+
Retailer 18
-
$2,136 AUD
$1,502 USD
View
B+
Retailer 19
-
$2,326 AUD
£1,288 GBP
View
Most Expensive
B
Brilliant Earth
20090410A · Oct 28
$5,062 AUD
$3,560 USD
View
19 more retailers have this diamond
Prices start from $466 AUDSave up to $4,596 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+
1.55ct Round
$466 AUD