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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG799676989

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799676989

Diamond specifications and retailer prices

From $903 AUD
$634 USD
As of October 29, 2026
Save $3,663 AUD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,015 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799676989 or 799676989. Listed at 21 retailers as of October 29, 2026, with a 406% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676989
Dimensions7.02 × 7.05 × 4.29 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
7.02 mm7.05 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676989
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 29
Current: $8,015 AUD|Low: $903 AUD|High: $8,456 AUD|Avg: $2,427 AUD|-5.2%
Do Amore Diamonds
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
Retailer 21
October 30, 2026
Retailer 7$903 AUD
Retailer 2$971 AUD
Retailer 3$987 AUD
Retailer 8$1,011 AUD
Retailer 5$1,048 AUD
Retailer 9$1,048 AUD
Retailer 21$1,303 AUD
Retailer 4$1,384 AUD
Retailer 20$1,440 AUD
Retailer 6$1,714 AUD
Retailer 15$1,847 AUD
Retailer 13$1,967 AUD
Retailer 17$2,126 AUD
Retailer 18$2,256 AUD
Retailer 19$2,676 AUD
Retailer 12$3,252 AUD
Retailer 10$3,645 AUD
Retailer 14$4,145 AUD
Retailer 11$4,181 AUD
Retailer 16$4,565 AUD
Do Amore Diamonds$8,015 AUD

28 data points across 21 retailers

21 retailers$903 AUD to $4,565 AUD

A
Cheapest Retailer
-
$903 AUD
$634 USD
A
Retailer 2
-
$971 AUD
$682 USD
View
A
Retailer 3
-
$987 AUD
$693 USD
View
A
Retailer 4
-
$1,011 AUD
$710 USD
View
Final sale: no returns
A
Retailer 5
-
$1,048 AUD
$736 USD
View
Retailer 6
-
$1,048 AUD
$736 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$1,303 AUD
$915 USD
View
B+
Retailer 8
-
$1,384 AUD
$972 USD
View
B+
Retailer 9
-
$1,440 AUD
HK$7,900 HKD
View
B+
Retailer 10
-
$1,714 AUD
$1,204 USD
View
B+
Retailer 11
-
$1,847 AUD
£1,022 GBP
View
B+
Retailer 12
-
$1,967 AUD
£1,088 GBP
View
B+
Retailer 13
-
$2,126 AUD
ZAR 24,124 ZAR
View
Retailer 14
-
$2,256 AUD
$1,585 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$2,676 AUD
$1,880 USD
View
B
Retailer 16
-
$3,252 AUD
$2,284 USD
View
B
Retailer 17
-
$3,645 AUD
$2,560 USD
View
B
Retailer 18
-
$4,145 AUD
$2,911 USD
View
B
Retailer 19
-
$4,181 AUD
SGD 3,969 SGD
View
B
Retailer 20
-
$4,565 AUD
£2,525 GBP
View
Most Expensive
Do Amore Diamonds
27-43C1B51C2 · Oct 30
$8,015 AUD
$5,630 USD
View
Price under review
20 more retailers have this diamond
Prices start from $903 AUDSave up to $3,663 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
1.28ct Round
$903 AUD