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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG835670914

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835670914

Diamond specifications and retailer prices

From $478 AUD
$335 USD
As of November 3, 2026
Save $3,275 AUD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,753 AUD at Brilliant Earth · As of November 1, 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 LG835670914 or 835670914. Listed at 26 retailers as of November 1, 2026, with prices from $478 to $3,753, a $3,275 spread on the same certified stone. Brilliant Earth lists it at $3,753. 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 angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835670914
Dimensions7.04 × 7.08 × 4.30 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
7.04 mm7.08 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835670914
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
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: Nov 3
Current: $3,753 AUD|Low: $382 AUD|High: $3,753 AUD|Avg: $1,270 AUD|+0.4%
Brilliant Earth
Retailer 2
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Retailer 29
November 3, 2026
Retailer 18$382 AUD
Retailer 17$462 AUD
Retailer 3$478 AUD
Retailer 16$494 AUD
Retailer 21$494 AUD
Retailer 7$658 AUD
Retailer 9$785 AUD
Retailer 27$785 AUD
Retailer 11$899 AUD
Retailer 4$909 AUD
Retailer 13$926 AUD
Retailer 28$952 AUD
Retailer 25$1,006 AUD
Retailer 2$1,042 AUD
Retailer 5$1,184 AUD
Retailer 15$1,255 AUD
Retailer 6$1,417 AUD
Retailer 14$1,448 AUD
Retailer 24$1,473 AUD
Retailer 22$1,588 AUD
Retailer 19$1,704 AUD
Retailer 29$1,726 AUD
Retailer 20$1,752 AUD
Retailer 8$2,038 AUD
Retailer 12$2,106 AUD
Retailer 10$2,147 AUD
Retailer 26$2,340 AUD
Retailer 23$3,425 AUD
Brilliant Earth$3,753 AUD

16 data points across 29 retailers

26 retailers$478 AUD to $3,753 AUD

Retailer 1
-
$382 AUD
$268 USD
Price last confirmed 32 days ago
A
Retailer 2
-
$478 AUD
$335 USD
View
Final sale: no returns
Retailer 3
-
$494 AUD
$346 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$658 AUD
$461 USD
View
A
Retailer 5
-
$785 AUD
$550 USD
View
A
Retailer 6
-
$785 AUD
$550 USD
View
A
Retailer 7
-
$899 AUD
$630 USD
View
A
Retailer 8
-
$909 AUD
€607 EUR
View
A
Retailer 9
-
$926 AUD
£511 GBP
View
A
Retailer 10
-
$952 AUD
$667 USD
View
A
Retailer 11
-
$1,006 AUD
ZAR 11,394 ZAR
View
A
Retailer 12
-
$1,042 AUD
£575 GBP
View
A
Retailer 13
-
$1,066 AUD
$747 USD
View
Retailer 14
-
$1,255 AUD
$880 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,417 AUD
View
B+
Retailer 16
-
$1,448 AUD
$1,015 USD
View
B+
Retailer 17
-
$1,473 AUD
£813 GBP
View
Retailer 18
-
$1,588 AUD
$1,113 USD
View
Price last confirmed 34 days ago
Retailer 19
-
$1,704 AUD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$1,726 AUD
CA$1,680 CAD
View
B+
Retailer 21
-
$2,038 AUD
$1,428 USD
View
B
Retailer 22
-
$2,106 AUD
$1,476 USD
View
B
Retailer 23
-
$2,147 AUD
$1,505 USD
View
B
Retailer 24
-
$2,340 AUD
£1,291 GBP
View
B
Retailer 25
-
$3,425 AUD
$2,400 USD
View
Most Expensive
B
Brilliant Earth
21654764A · Nov 1
$3,753 AUD
$2,630 USD
View
25 more retailers have this diamond
Prices start from $478 AUDSave up to $3,275 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
$478 AUD