Round|Lab Grown|IGI

1.28ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG816612555

Certificate IGI LG816612555

Diamond specifications and retailer prices

From $254 USD
Save $1,626 USD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,880 USD at Brilliant Earth
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612555 or 816612555. Listed at 13 retailers, with prices from $254 to $1,880 at Brilliant Earth, a $1,626 spread on the same certified stone. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612555
Dimensions6.97 × 6.92 × 4.31 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
6.97 mm6.92 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612555
Side View
Table 56.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works
B+
Very Good
Strong quality and value balance
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: 3 hours ago
Current: $1,880 USD|Low: $202 USD|High: $2,680 USD|Avg: $849 USD|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13

26 data points across 13 retailers

13 retailers$254 USD - $1,880 USD

B+
Cheapest Retailer
-
$254 USD
View
B+
Retailer 2
-
$284 USD
View
Retailer 3
-
$311 USD
View
B+
Retailer 4
-
$445 USD
View
B+
Retailer 5
-
$495 USD
View
B+
Retailer 6
-
$521 USD
ZAR 8,416 ZAR
View
B+
Retailer 7
-
$563 USD
£443 GBP
View
B+
Retailer 8
-
$694 USD
View
B+
Retailer 9
-
$784 USD
View
B
Retailer 10
-
$884 USD
View
B
Retailer 11
-
$1,064 USD
View
B
Retailer 12
-
$1,366 USD
View
Most Expensive
C
Brilliant Earth
21018284A · Sep 18
$1,880 USD
View
12 more retailers have this diamond
Prices start from $254 USDSave up to $1,626 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.

B+
1.28ct Round
$254 USD

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