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Round|Lab Grown|IGI

1.23ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG779629050

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779629050

Diamond specifications and retailer prices

From €183 EUR
$204 USD
As of November 1, 2026
Save €878 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,061 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct 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 LG779629050 or 779629050. Listed at 18 retailers as of November 1, 2026, with prices from €183 to €1,061, a €878 spread on the same certified stone. MOH London lists it at €1,061. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779629050
Dimensions6.90 × 6.96 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.90 mm6.96 mm1.23 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779629050
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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: Nov 1
Current: €1,061 EUR|Low: €175 EUR|High: €1,073 EUR|Avg: €494 EUR
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
November 1, 2026
Retailer 10€183 EUR
Retailer 13€226 EUR
Retailer 5€380 EUR
Retailer 2€392 EUR
Retailer 14€393 EUR
Retailer 6€408 EUR
Retailer 7€414 EUR
Retailer 3€446 EUR
Retailer 12€470 EUR
Retailer 8€554 EUR
Retailer 11€555 EUR
Retailer 9€585 EUR
Retailer 4€819 EUR
MOH London€1,061 EUR

29 data points across 14 retailers

18 retailers€183 EUR to €1,061 EUR

A
Cheapest Retailer
-
€183 EUR
$204 USD
A
Retailer 2
-
€212 EUR
$237 USD
View
Retailer 3
-
€226 EUR
$253 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€226 EUR
$253 USD
View
A
Retailer 5
-
€380 EUR
$424 USD
View
A
Retailer 6
-
€392 EUR
ZAR 7,070 ZAR
View
A
Retailer 7
-
€393 EUR
$439 USD
View
B+
Retailer 8
-
€414 EUR
View
B+
Retailer 9
-
€446 EUR
$498 USD
View
B+
Retailer 10
-
€470 EUR
$525 USD
View
B+
Retailer 11
-
€554 EUR
A$953 AUD
View
B+
Retailer 12
-
€555 EUR
$620 USD
View
B+
Retailer 13
-
€585 EUR
$654 USD
View
Retailer 14
-
€665 EUR
$743 USD
View
Price last confirmed 46 days ago
B
Retailer 15
-
€729 EUR
$815 USD
View
B
Retailer 16
-
€777 EUR
$868 USD
View
B
Retailer 17
-
€836 EUR
$934 USD
View
Most Expensive
B
MOH London
LG779629050 · Nov 1
€1,061 EUR
£933 GBP
View
17 more retailers have this diamond
Prices start from €183 EURSave up to €878 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
1.23ct Round
€183 EUR