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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG776669278

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776669278

Diamond specifications and retailer prices

From $823 AUD
$577 USD
As of November 3, 2026
Save $2,986 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,809 AUD at MOH London · As of November 3, 2026
View at MOH London

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 LG776669278 or 776669278. Listed at 15 retailers as of November 3, 2026, with prices from $823 to $3,809, a $2,986 spread on the same certified stone. MOH London lists it at $3,809. 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 angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776669278
Dimensions7.00 × 6.97 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.00 mm6.97 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776669278
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.7%

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: $3,809 AUD|Low: $699 AUD|High: $3,835 AUD|Avg: $1,632 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 4$732 AUD
Retailer 10$823 AUD
Retailer 12$909 AUD
Retailer 6$1,106 AUD
Retailer 7$1,263 AUD
Retailer 9$1,417 AUD
Retailer 5$1,575 AUD
Retailer 11$1,581 AUD
Retailer 8$2,224 AUD
Retailer 2$2,357 AUD
Retailer 3$2,390 AUD
MOH London$3,809 AUD

33 data points across 12 retailers

15 retailers$823 AUD to $3,809 AUD

Retailer 1
-
$732 AUD
$513 USD
Price last confirmed 13 days ago
Retailer 2
-
$819 AUD
$574 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$823 AUD
$577 USD
View
Final sale: no returns
Retailer 4
-
$909 AUD
$637 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$1,106 AUD
$775 USD
View
B+
Retailer 6
-
$1,263 AUD
$885 USD
View
B+
Retailer 7
-
$1,417 AUD
$993 USD
View
B+
Retailer 8
-
$1,575 AUD
ZAR 17,832 ZAR
View
B+
Retailer 9
-
$1,581 AUD
View
B+
Retailer 10
-
$2,119 AUD
$1,485 USD
View
B+
Retailer 11
-
$2,224 AUD
View
B
Retailer 12
-
$2,357 AUD
$1,652 USD
View
Retailer 13
-
$2,390 AUD
$1,675 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$3,353 AUD
£1,850 GBP
View
Most Expensive
B
MOH London
LG776669278 · Nov 3
$3,809 AUD
£2,102 GBP
View
14 more retailers have this diamond
Prices start from $823 AUDSave up to $2,986 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
$823 AUD