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 $296 USD
As of October 29, 2026
Save $2,334 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,630 USD at Do Amore Diamonds · As of October 28, 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 28, 2026, with prices from $296 to $2,630, a $2,334 spread on the same certified stone. Do Amore Diamonds lists it at $2,630. 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
Color
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: $2,630 USD|Low: $296 USD|High: $2,960 USD|Avg: $1,253 USD|-8.7%
Do Amore Diamonds
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 12$296 USD
Retailer 11$343 USD
Retailer 10$600 USD
Retailer 13$602 USD
Retailer 5$638 USD
Retailer 8$646 USD
Retailer 9$687 USD
Retailer 7$772 USD
Retailer 2$818 USD
Retailer 14$1,127 USD
Retailer 4$1,302 USD
Retailer 6$1,585 USD
Retailer 15$1,624 USD
Retailer 3$1,870 USD
Do Amore Diamonds$2,630 USD

34 data points across 15 retailers

15 retailers$296 USD to $2,630 USD

A+
Cheapest Retailer
-
$296 USD
A
Retailer 2
-
$343 USD
View
A
Retailer 3
-
$600 USD
View
A
Retailer 4
-
$602 USD
View
A
Retailer 5
-
$638 USD
View
A
Retailer 6
-
$646 USD
£509 GBP
View
A
Retailer 7
-
$687 USD
€654 EUR
View
A
Retailer 8
-
$772 USD
A$1,188 AUD
View
B+
Retailer 9
-
$818 USD
View
B+
Retailer 10
-
$1,127 USD
View
B+
Retailer 11
-
$1,302 USD
View
B
Retailer 12
-
$1,585 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,624 USD
£1,279 GBP
View
B
Retailer 14
-
$1,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-3D7DF8949 · Oct 28
$2,630 USD
View
14 more retailers have this diamond
Prices start from $296 USDSave up to $2,334 USD

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
$296 USD