Oval|Lab Grown|IGI

1.28ct F VS1 Oval Lab Grown Diamond

VG • F/VS1 • IGI LG841645040

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG841645040

Diamond specifications and retailer prices

From $341 USD
As of November 1, 2026
Save $728 USD (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,069 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG841645040 or 841645040. Listed at 5 retailers as of October 31, 2026, with prices from $341 to $1,069, a $728 spread on the same certified stone. Taylor and Hart lists it at $1,069. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841645040
Dimensions8.22 × 6.16 × 3.94 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm6.16 mm1.28 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841645040
Side View
Table 61.0%Crown 36.3°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $521 USD|Low: $337 USD|High: $1,069 USD|Avg: $613 USD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
November 2, 2026
Retailer 4$341 USD
Retailer 2$392 USD
Retailer 3$482 USD
Retailer 1$521 USD
Taylor and Hart$1,069 USD

6 data points across 5 retailers

5 retailers$341 USD to $1,069 USD

B+
Cheapest Retailer
-
$341 USD
A
Retailer 2
-
$392 USD
View
B+
Retailer 3
-
$482 USD
ZAR 7,786 ZAR
View
B+
Retailer 4
-
$521 USD
£410 GBP
View
Most Expensive
B
Taylor and Hart
DKM619L · Oct 31
$1,069 USD
View
4 more retailers have this diamond
Prices start from $341 USDSave up to $728 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 Oval
$341 USD