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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
$149 USD
As of October 29, 2026
Save €645 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €779 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 €779, a €645 spread on the same certified stone. MOH London lists it at €779. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €779 EUR|Low: €129 EUR|High: €797 EUR|Avg: €350 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
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Retailer 17
Retailer 18
October 29, 2026
Retailer 7€133 EUR
Retailer 5€149 EUR
Retailer 3€155 EUR
Retailer 4€166 EUR
Retailer 16€166 EUR
Retailer 17€280 EUR
Retailer 14€285 EUR
Retailer 12€303 EUR
Retailer 2€305 EUR
Retailer 10€367 EUR
Retailer 15€404 EUR
Retailer 13€428 EUR
Retailer 11€453 EUR
Retailer 6€455 EUR
Retailer 18€533 EUR
Retailer 8€536 EUR
Retailer 9€582 EUR
MOH London€779 EUR

30 data points across 18 retailers

18 retailers€133 EUR to €779 EUR

A
Cheapest Retailer
-
€133 EUR
$149 USD
A
Retailer 2
-
€155 EUR
$173 USD
View
A
Retailer 3
-
€166 EUR
$185 USD
View
A
Retailer 4
-
€166 EUR
$185 USD
View
A
Retailer 5
-
€280 EUR
$313 USD
View
A
Retailer 6
-
€285 EUR
ZAR 5,135 ZAR
View
A
Retailer 7
-
€303 EUR
$339 USD
View
A
Retailer 8
-
€305 EUR
£268 GBP
View
Retailer 9
-
€367 EUR
$410 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
€404 EUR
A$694 AUD
View
B+
Retailer 11
-
€428 EUR
$478 USD
View
B+
Retailer 12
-
€453 EUR
$506 USD
View
B+
Retailer 13
-
€455 EUR
SGD 687 SGD
View
Retailer 14
-
€530 EUR
$592 USD
View
Price last confirmed 40 days ago
B+
Retailer 15
-
€533 EUR
$595 USD
View
B+
Retailer 16
-
€536 EUR
$599 USD
View
B+
Retailer 17
-
€582 EUR
$651 USD
View
Most Expensive
B
MOH London
LG778658590 · Oct 29
€779 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