Round|Lab Grown|IGI

1.28ct D VVS2 Round Lab Grown Diamond

EX • D/VVS2 • IGI LG794629605

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794629605

Diamond specifications and retailer prices

From $202 USD
As of November 5, 2026
Save $997 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,146 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794629605 or 794629605. Listed at 24 retailers as of November 4, 2026, with a 494% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629605
Dimensions6.96 × 6.99 × 4.26 mm
L/W Ratio1.00
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
6.96 mm6.99 mm1.28 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629605
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
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: Nov 5
Current: $454 USD|Low: $194 USD|High: $1,184 USD|Avg: $510 USD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12$202 USD
Retailer 11$225 USD
Retailer 4$250 USD
Retailer 3$338 USD
Retailer 5$410 USD
Retailer 9$432 USD
Retailer 1$454 USD
Retailer 8$459 USD
Retailer 7$610 USD
Retailer 6$808 USD
Retailer 2$975 USD
Retailer 10$1,170 USD

38 data points across 12 retailers

24 retailers$202 USD to $1,199 USD

A
Cheapest Retailer
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$202 USD
A
Retailer 2
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$225 USD
View
Final sale: no returns
A
Retailer 3
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$234 USD
View
A
Retailer 4
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$250 USD
View
Retailer 5
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$250 USD
View
Price last confirmed 11 days ago
A
Retailer 6
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$281 USD
View
B+
Retailer 7
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$338 USD
View
A
Retailer 8
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$410 USD
View
A
Retailer 9
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$432 USD
View
A
Retailer 10
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$454 USD
View
A
Retailer 11
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$459 USD
View
A
Retailer 12
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$463 USD
View
B+
Retailer 13
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$498 USD
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B+
Retailer 14
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$610 USD
View
B+
Retailer 15
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$653 USD
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B
Retailer 16
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$805 USD
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B
Retailer 17
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$808 USD
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B
Retailer 18
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$814 USD
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B
Retailer 19
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$850 USD
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B
Retailer 20
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$858 USD
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B
Retailer 21
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$975 USD
View
B
Retailer 22
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$1,170 USD
View
B
Retailer 23
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$1,199 USD
View
Most Expensive
Queensmith
LG794629605 · Oct 27
$2,146 USD
£1,690 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $202 USDSave up to $997 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
$202 USD