Round|Lab Grown|IGI

1.28ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG844611584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844611584

Diamond specifications and retailer prices

From $386 USD
As of October 30, 2026
Save $367 USD (49%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $753 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844611584 or 844611584. Listed at 4 retailers as of October 30, 2026, with prices from $386 to $753, a $367 spread on the same certified stone. Taylor and Hart lists it at $753. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844611584
Dimensions7.00 × 7.05 × 4.25 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 Faint Blue
Top View
7.00 mm7.05 mm1.28 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844611584
Side View
Table 58.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.5%

Caratlytics Score

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

Last verified: Oct 30
Current: $388 USD|Low: $386 USD|High: $753 USD|Avg: $513 USD|+0.0%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 31, 2026
Retailer 2$386 USD
Retailer 1$388 USD
Retailer 3$483 USD
Taylor and Hart$753 USD

3 data points across 4 retailers

4 retailers$386 USD to $753 USD

A
Cheapest Retailer
-
$386 USD
A
Retailer 2
-
$388 USD
£306 GBP
View
B+
Retailer 3
-
$483 USD
View
Most Expensive
B
Taylor and Hart
JGR7ZF3 · Oct 31
$753 USD
View
3 more retailers have this diamond
Prices start from $386 USDSave up to $367 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
$386 USD