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 €144 EUR
$161 USD
As of November 1, 2026
Save €693 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €837 EUR at MOH London · As of November 1, 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 18 retailers as of November 1, 2026, with prices from €144 to €837, a €693 spread on the same certified stone. MOH London lists it at €837. 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
Color
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 1
Current: €837 EUR|Low: €139 EUR|High: €850 EUR|Avg: €386 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8€144 EUR
Retailer 3€179 EUR
Retailer 9€179 EUR
Retailer 4€307 EUR
Retailer 2€315 EUR
Retailer 10€324 EUR
Retailer 11€405 EUR
Retailer 6€430 EUR
Retailer 5€464 EUR
Retailer 7€510 EUR
MOH London€837 EUR

43 data points across 11 retailers

18 retailers€144 EUR to €837 EUR

A
Cheapest Retailer
-
€144 EUR
$161 USD
A
Retailer 2
-
€167 EUR
$187 USD
View
Retailer 3
-
€179 EUR
$200 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€179 EUR
$200 USD
View
A
Retailer 5
-
€307 EUR
View
A
Retailer 6
-
€315 EUR
£277 GBP
View
B+
Retailer 7
-
€324 EUR
$362 USD
View
B+
Retailer 8
-
€393 EUR
$439 USD
View
B+
Retailer 9
-
€405 EUR
$452 USD
View
Retailer 10
-
€421 EUR
$470 USD
View
Price last confirmed 14 days ago
Retailer 11
-
€430 EUR
$480 USD
View
Price last confirmed 11 days ago
Retailer 12
-
€444 EUR
$496 USD
View
Price last confirmed 83 days ago
B+
Retailer 13
-
€464 EUR
$518 USD
View
B+
Retailer 14
-
€510 EUR
$570 USD
View
B+
Retailer 15
-
€528 EUR
£464 GBP
View
B+
Retailer 16
-
€576 EUR
$643 USD
View
B
Retailer 17
-
€624 EUR
$697 USD
View
Most Expensive
B
MOH London
LG720547128 · Nov 1
€837 EUR
£736 GBP
View
17 more retailers have this diamond
Prices start from €144 EURSave up to €693 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
€144 EUR