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Round|Lab Grown|IGI

1.05ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG778658590

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778658590

Diamond specifications and retailer prices

From €133 EUR
As of October 29, 2026
Save €645 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €778 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778658590 or 778658590. Listed at 18 retailers as of October 29, 2026, with prices from €133 to €778, a €645 spread on the same certified stone. MOH London lists it at €778. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778658590
Dimensions6.60 × 6.57 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.60 mm6.57 mm1.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778658590
Side View
Table 63.0%Crown 33°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 59.8%

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: Oct 29
Current: €778 EUR|Low: €129 EUR|High: €796 EUR|Avg: €349 EUR|-2.3%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 7€133 EUR
Retailer 5€149 EUR
Retailer 3€155 EUR
Retailer 4€165 EUR
Retailer 16€165 EUR
Retailer 17€280 EUR
Retailer 14€284 EUR
Retailer 12€303 EUR
Retailer 2€304 EUR
Retailer 10€367 EUR
Retailer 15€403 EUR
Retailer 13€428 EUR
Retailer 11€453 EUR
Retailer 6€454 EUR
Retailer 18€532 EUR
Retailer 8€536 EUR
Retailer 9€581 EUR
MOH London€778 EUR

30 data points across 18 retailers

18 retailers€133 EUR to €778 EUR

A
Cheapest Retailer
-
€133 EUR
Retailer 2
-
€155 EUR
View
Price last confirmed 8 days ago
Retailer 3
-
€165 EUR
View
Price last confirmed 10 days ago
Retailer 4
-
€165 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€280 EUR
View
Retailer 6
-
€284 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
-
€303 EUR
View
A
Retailer 8
-
€304 EUR
View
Retailer 9
-
€367 EUR
View
Price last confirmed 16 days ago
Retailer 10
-
€403 EUR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€428 EUR
View
B+
Retailer 12
-
€453 EUR
View
Retailer 13
-
€454 EUR
View
Price last confirmed 7 days ago
Retailer 14
-
€530 EUR
View
Price last confirmed 44 days ago
Retailer 15
-
€532 EUR
View
Price last confirmed 8 days ago
B+
Retailer 16
-
€536 EUR
View
B+
Retailer 17
-
€581 EUR
View
Most Expensive
B
MOH London
LG778658590 · Oct 29
€778 EUR
£685 GBP
View
17 more retailers have this diamond
Prices start from €133 EURSave up to €645 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
1.05ct Round
€133 EUR