CaratHunter
Plans
Round|Lab Grown|IGI

1.26ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG720547128

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720547128

Diamond specifications and retailer prices

From €143 EUR
As of November 5, 2026
Save €687 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €831 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG720547128 or 720547128. Listed at 19 retailers as of November 4, 2026, with prices from €143 to €831, a €687 spread on the same certified stone. MOH London lists it at €831. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.26
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720547128
Dimensions7.07 × 7.03 × 4.21 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
7.07 mm7.03 mm1.26 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720547128
Side View
Table 59.0%Crown 34°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 59.7%

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 5
Current: €831 EUR|Low: €138 EUR|High: €846 EUR|Avg: €383 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8€143 EUR
Retailer 3€178 EUR
Retailer 9€178 EUR
Retailer 4€308 EUR
Retailer 2€309 EUR
Retailer 10€323 EUR
Retailer 6€374 EUR
Retailer 11€403 EUR
Retailer 7€468 EUR
Retailer 5€508 EUR
MOH London€831 EUR

44 data points across 11 retailers

19 retailers€143 EUR to €831 EUR

A
Cheapest Retailer
-
€143 EUR
A
Retailer 2
-
€167 EUR
View
Retailer 3
-
€178 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€178 EUR
View
A
Retailer 5
-
€308 EUR
View
A
Retailer 6
-
€309 EUR
View
B+
Retailer 7
-
€323 EUR
View
A
Retailer 8
-
€374 EUR
View
B+
Retailer 9
-
€391 EUR
View
B+
Retailer 10
-
€403 EUR
View
B+
Retailer 11
-
€419 EUR
View
Retailer 12
-
€428 EUR
View
Price last confirmed 16 days ago
B+
Retailer 13
-
€468 EUR
View
B+
Retailer 14
-
€508 EUR
View
B+
Retailer 15
-
€508 EUR
View
B+
Retailer 16
-
€525 EUR
View
B+
Retailer 17
-
€573 EUR
View
B
Retailer 18
-
€621 EUR
View
Most Expensive
B
MOH London
LG720547128 · Nov 4
€831 EUR
£734 GBP
View
18 more retailers have this diamond
Prices start from €143 EURSave up to €687 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
1.26ct Round
€143 EUR