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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG778645702

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645702

Diamond specifications and retailer prices

From €196 EUR
As of November 3, 2026
Save €923 EUR (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €1,939 EUR 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778645702 or 778645702. Listed at 26 retailers as of November 3, 2026, with a 471% 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
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645702
Dimensions6.89 × 6.92 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.89 mm6.92 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645702
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.6%

Caratlytics Score

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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 3
Current: €447 EUR|Low: €188 EUR|High: €1,092 EUR|Avg: €510 EUR|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 14€196 EUR
Retailer 5€228 EUR
Retailer 3€243 EUR
Retailer 2€328 EUR
Retailer 7€385 EUR
Retailer 11€420 EUR
Retailer 9€442 EUR
Retailer 1€447 EUR
Retailer 4€461 EUR
Retailer 10€595 EUR
Retailer 6€783 EUR
Retailer 8€785 EUR
Retailer 12€975 EUR
Retailer 13€1,092 EUR

44 data points across 14 retailers

26 retailers€196 EUR to €1,119 EUR

A
Cheapest Retailer
-
€196 EUR
A
Retailer 2
-
€220 EUR
View
Final sale: no returns
A
Retailer 3
-
€228 EUR
View
Retailer 4
-
€243 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
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€243 EUR
View
A
Retailer 6
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€272 EUR
View
B+
Retailer 7
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€328 EUR
View
A
Retailer 8
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€385 EUR
View
A
Retailer 9
-
€420 EUR
View
A
Retailer 10
-
€442 EUR
View
A
Retailer 11
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€447 EUR
View
B+
Retailer 12
-
€461 EUR
View
B+
Retailer 13
-
€467 EUR
View
B+
Retailer 14
-
€595 EUR
View
B+
Retailer 15
-
€646 EUR
View
B
Retailer 16
-
€783 EUR
View
B
Retailer 17
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€785 EUR
View
Retailer 18
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€786 EUR
View
Price last confirmed 101 days ago
B
Retailer 19
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€789 EUR
View
B
Retailer 20
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€829 EUR
View
B
Retailer 21
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€839 EUR
View
B
Retailer 22
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€946 EUR
View
B
Retailer 23
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€975 EUR
View
Retailer 24
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€1,092 EUR
View
Price last confirmed 20 days ago
B
Retailer 25
-
€1,119 EUR
View
Most Expensive
Queensmith
LG778645702 · Oct 27
€1,939 EUR
£1,720 GBP
View
Price last confirmed 8 days ago
25 more retailers have this diamond
Prices start from €196 EURSave up to €923 EUR

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
€196 EUR