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Round|Lab Grown|IGI

1.29ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG800680154

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800680154

Diamond specifications and retailer prices

From $656 AUD
HK$3,600 HKD
As of October 30, 2026
Save $1,963 AUD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,619 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800680154 or 800680154. Listed at 12 retailers as of October 29, 2026, with prices from $656 to $2,619, a $1,963 spread on the same certified stone. Brilliant Earth lists it at $2,619. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800680154
Dimensions7.03 × 7.00 × 4.32 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
7.03 mm7.00 mm1.29 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800680154
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.5%

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: Oct 30
Current: $2,619 AUD|Low: $656 AUD|High: $2,704 AUD|Avg: $1,433 AUD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$656 AUD
Retailer 12$804 AUD
Retailer 8$924 AUD
Retailer 6$933 AUD
Retailer 2$1,015 AUD
Retailer 4$1,062 AUD
Retailer 10$1,079 AUD
Retailer 9$1,293 AUD
Retailer 11$1,895 AUD
Retailer 3$2,168 AUD
Retailer 5$2,296 AUD
Brilliant Earth$2,619 AUD

43 data points across 12 retailers

12 retailers$656 AUD to $2,619 AUD

A
Cheapest Retailer
-
$656 AUD
HK$3,600 HKD
A
Retailer 2
-
$804 AUD
$565 USD
View
A
Retailer 3
-
$924 AUD
$649 USD
View
A
Retailer 4
-
$933 AUD
€624 EUR
View
A
Retailer 5
-
$1,015 AUD
£561 GBP
View
A
Retailer 6
-
$1,062 AUD
View
A
Retailer 7
-
$1,079 AUD
$758 USD
View
B+
Retailer 8
-
$1,293 AUD
$908 USD
View
B+
Retailer 9
-
$1,895 AUD
$1,331 USD
View
B
Retailer 10
-
$2,168 AUD
$1,523 USD
View
B+
Retailer 11
-
$2,296 AUD
£1,270 GBP
View
Most Expensive
B
Brilliant Earth
21143562A · Oct 29
$2,619 AUD
$1,840 USD
View
11 more retailers have this diamond
Prices start from $656 AUDSave up to $1,963 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
1.29ct Round
$656 AUD