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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG801695017

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801695017

Diamond specifications and retailer prices

From $421 AUD
$296 USD
As of October 29, 2026
Save $3,322 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,744 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 LG801695017 or 801695017. Listed at 15 retailers as of October 29, 2026, with prices from $421 to $3,744, a $3,322 spread on the same certified stone. Do Amore Diamonds lists it at $3,744. 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 angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801695017
Dimensions6.98 × 6.92 × 4.27 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
6.98 mm6.92 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801695017
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

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A+
Exceptional
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: Oct 29
Current: $3,744 AUD|Low: $421 AUD|High: $4,213 AUD|Avg: $1,772 AUD|-8.7%
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
October 30, 2026
Retailer 12$421 AUD
Retailer 11$488 AUD
Retailer 10$854 AUD
Retailer 13$857 AUD
Retailer 5$908 AUD
Retailer 2$917 AUD
Retailer 9$977 AUD
Retailer 7$1,099 AUD
Retailer 8$1,164 AUD
Retailer 14$1,604 AUD
Retailer 4$1,853 AUD
Retailer 6$2,256 AUD
Retailer 15$2,312 AUD
Retailer 3$2,662 AUD
Do Amore Diamonds$3,744 AUD

35 data points across 15 retailers

15 retailers$421 AUD to $3,744 AUD

A+
Cheapest Retailer
-
$421 AUD
$296 USD
A
Retailer 2
-
$488 AUD
$343 USD
View
A
Retailer 3
-
$854 AUD
$600 USD
View
A
Retailer 4
-
$857 AUD
$602 USD
View
A
Retailer 5
-
$908 AUD
$638 USD
View
A
Retailer 6
-
$917 AUD
£507 GBP
View
A
Retailer 7
-
$977 AUD
€654 EUR
View
A
Retailer 8
-
$1,048 AUD
$736 USD
View
A
Retailer 9
-
$1,099 AUD
View
B+
Retailer 10
-
$1,604 AUD
$1,127 USD
View
B+
Retailer 11
-
$1,853 AUD
$1,302 USD
View
Retailer 12
-
$2,256 AUD
$1,585 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$2,312 AUD
£1,279 GBP
View
B
Retailer 14
-
$2,662 AUD
$1,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-3D7DF8949 · Oct 30
$3,744 AUD
$2,630 USD
View
14 more retailers have this diamond
Prices start from $421 AUDSave up to $3,322 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
$421 AUD