Round|Lab Grown|IGI

1.27ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG818678012

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818678012

Diamond specifications and retailer prices

From €174 EUR
As of November 5, 2026
Save €875 EUR (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,867 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818678012 or 818678012. Listed at 23 retailers as of November 4, 2026, with a 504% 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

1.27
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818678012
Dimensions7.02 × 6.98 × 4.17 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
7.02 mm6.98 mm1.27 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818678012
Side View
Table 63.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.5%

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 5
Current: €363 EUR|Low: €167 EUR|High: €1,018 EUR|Avg: €421 EUR|-1.0%
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€174 EUR
Retailer 11€193 EUR
Retailer 4€216 EUR
Retailer 3€290 EUR
Retailer 1€363 EUR
Retailer 10€372 EUR
Retailer 5€388 EUR
Retailer 8€396 EUR
Retailer 2€477 EUR
Retailer 9€524 EUR
Retailer 7€694 EUR
Retailer 6€1,003 EUR

42 data points across 12 retailers

23 retailers€174 EUR to €1,049 EUR

A
Cheapest Retailer
-
€174 EUR
A
Retailer 2
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€193 EUR
View
Final sale: no returns
A
Retailer 3
-
€201 EUR
View
Retailer 4
-
€216 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
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€216 EUR
View
A
Retailer 6
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€239 EUR
View
B+
Retailer 7
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€290 EUR
View
A
Retailer 8
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€363 EUR
View
A
Retailer 9
-
€372 EUR
View
A
Retailer 10
-
€380 EUR
View
B+
Retailer 11
-
€388 EUR
View
B+
Retailer 12
-
€396 EUR
View
Retailer 13
-
€477 EUR
View
Price last confirmed 18 days ago
B+
Retailer 14
-
€524 EUR
View
B+
Retailer 15
-
€560 EUR
View
B
Retailer 16
-
€692 EUR
View
B
Retailer 17
-
€694 EUR
View
B
Retailer 18
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€699 EUR
View
B
Retailer 19
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€726 EUR
View
B
Retailer 20
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€739 EUR
View
B
Retailer 21
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€1,003 EUR
View
B
Retailer 22
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€1,049 EUR
View
Most Expensive
Queensmith
LG818678012 · Oct 27
€1,867 EUR
£1,650 GBP
View
Price under review
22 more retailers have this diamond
Prices start from €174 EURSave up to €875 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
1.27ct Round
€174 EUR