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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG842605479

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842605479

Diamond specifications and retailer prices

From $534 AUD
$374 USD
As of November 1, 2026
Save $1,963 AUD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,497 AUD at Brilliant Earth · As of November 2, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842605479 or 842605479. Listed at 16 retailers as of November 1, 2026, with prices from $534 to $2,497, a $1,963 spread on the same certified stone. Brilliant Earth lists it at $2,497. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842605479
Dimensions6.96 × 6.99 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.96 mm6.99 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842605479
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A+
Exceptional
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: $2,497 AUD|Low: $534 AUD|High: $3,753 AUD|Avg: $1,354 AUD|-19.7%
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
November 3, 2026
Retailer 3$534 AUD
Retailer 14$592 AUD
Retailer 8$658 AUD
Retailer 4$796 AUD
Retailer 7$799 AUD
Retailer 11$939 AUD
Retailer 10$959 AUD
Retailer 12$1,021 AUD
Retailer 9$1,050 AUD
Retailer 16$1,439 AUD
Retailer 15$1,737 AUD
Retailer 6$1,892 AUD
Retailer 2$1,903 AUD
Retailer 5$1,983 AUD
Retailer 13$2,374 AUD
Brilliant Earth$2,497 AUD

22 data points across 16 retailers

16 retailers$534 AUD to $2,497 AUD

A+
Cheapest Retailer
-
$534 AUD
$374 USD
Final sale: no returns
A
Retailer 2
-
$592 AUD
$415 USD
View
A
Retailer 3
-
$658 AUD
HK$3,600 HKD
View
A
Retailer 4
-
$796 AUD
$558 USD
View
A
Retailer 5
-
$799 AUD
$560 USD
View
A
Retailer 6
-
$939 AUD
£518 GBP
View
A
Retailer 7
-
$959 AUD
€640 EUR
View
A
Retailer 8
-
$1,021 AUD
ZAR 11,562 ZAR
View
A
Retailer 9
-
$1,050 AUD
£579 GBP
View
B+
Retailer 10
-
$1,439 AUD
View
B+
Retailer 11
-
$1,737 AUD
$1,217 USD
View
B+
Retailer 12
-
$1,892 AUD
SGD 1,792 SGD
View
B+
Retailer 13
-
$1,903 AUD
$1,334 USD
View
B+
Retailer 14
-
$1,983 AUD
$1,390 USD
View
B+
Retailer 15
-
$2,374 AUD
£1,310 GBP
View
Most Expensive
B
Brilliant Earth
21710952A · Nov 2
$2,497 AUD
$1,750 USD
View
15 more retailers have this diamond
Prices start from $534 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
$534 AUD