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Round|Lab Grown|IGI

1.55ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG801631915

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801631915

Diamond specifications and retailer prices

From $676 AUD
HK$3,700 HKD
As of November 1, 2026
Save $4,618 AUD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,294 AUD at Brilliant Earth · As of November 2, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801631915 or 801631915. Listed at 23 retailers as of November 1, 2026, with prices from $676 to $5,294, a $4,618 spread on the same certified stone. Brilliant Earth lists it at $5,294. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801631915
Dimensions7.55 × 7.59 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.55 mm7.59 mm1.55 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801631915
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.0%

Caratlytics Score

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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: $5,294 AUD|Low: $484 AUD|High: $5,294 AUD|Avg: $1,714 AUD
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
November 2, 2026
Retailer 9$494 AUD
Retailer 12$625 AUD
Retailer 4$676 AUD
Retailer 20$816 AUD
Retailer 16$820 AUD
Retailer 2$960 AUD
Retailer 3$977 AUD
Retailer 13$1,054 AUD
Retailer 14$1,086 AUD
Retailer 8$1,297 AUD
Retailer 18$1,419 AUD
Retailer 17$1,421 AUD
Retailer 10$1,969 AUD
Retailer 5$1,975 AUD
Retailer 7$2,026 AUD
Retailer 11$2,314 AUD
Retailer 15$2,388 AUD
Retailer 6$2,638 AUD
Retailer 19$2,804 AUD
Brilliant Earth$5,294 AUD

33 data points across 20 retailers

23 retailers$676 AUD to $5,294 AUD

Retailer 1
-
$494 AUD
$346 USD
Price last confirmed 15 days ago
Retailer 2
-
$585 AUD
$410 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$625 AUD
$438 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$625 AUD
$438 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
$676 AUD
HK$3,700 HKD
View
A
Retailer 6
-
$816 AUD
$572 USD
View
A
Retailer 7
-
$820 AUD
$575 USD
View
A
Retailer 8
-
$960 AUD
€641 EUR
View
A
Retailer 9
-
$977 AUD
$685 USD
View
A
Retailer 10
-
$1,054 AUD
ZAR 11,937 ZAR
View
A
Retailer 11
-
$1,086 AUD
£599 GBP
View
B+
Retailer 12
-
$1,297 AUD
$909 USD
View
B+
Retailer 13
-
$1,419 AUD
View
B+
Retailer 14
-
$1,421 AUD
$996 USD
View
Retailer 15
-
$1,969 AUD
$1,380 USD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
$1,975 AUD
SGD 1,870 SGD
View
B+
Retailer 17
-
$2,026 AUD
$1,420 USD
View
B
Retailer 18
-
$2,202 AUD
$1,543 USD
View
B
Retailer 19
-
$2,314 AUD
$1,622 USD
View
B+
Retailer 20
-
$2,388 AUD
£1,318 GBP
View
B
Retailer 21
-
$2,638 AUD
$1,849 USD
View
B
Retailer 22
-
$2,804 AUD
$1,965 USD
View
Most Expensive
B
Brilliant Earth
20215681A · Nov 2
$5,294 AUD
$3,710 USD
View
22 more retailers have this diamond
Prices start from $676 AUDSave up to $4,618 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
$676 AUD