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Round|Lab Grown|IGI

1.24ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG681502971

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681502971

Diamond specifications and retailer prices

From €324 EUR
As of November 5, 2026
Save €540 EUR (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €864 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681502971 or 681502971. Listed at 15 retailers as of November 1, 2026, with prices from €324 to €864, a €540 spread on the same certified stone. MOH London lists it at €864. 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

1.24
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681502971
Dimensions6.81 × 6.79 × 4.32 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
6.81 mm6.79 mm1.24 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681502971
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.5%

Caratlytics Score

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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: Nov 5
Current: €864 EUR|Low: €184 EUR|High: €875 EUR|Avg: €428 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8€184 EUR
Retailer 3€324 EUR
Retailer 6€330 EUR
Retailer 9€332 EUR
Retailer 2€363 EUR
Retailer 10€408 EUR
Retailer 5€432 EUR
Retailer 7€526 EUR
Retailer 4€627 EUR
MOH London€864 EUR

42 data points across 10 retailers

15 retailers€324 EUR to €864 EUR

Retailer 1
-
€149 EUR
Price last confirmed 41 days ago
Retailer 2
-
€173 EUR
View
Price last confirmed 45 days ago
Retailer 3
-
€183 EUR
View
Price last confirmed 42 days ago
Retailer 4
-
€184 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
-
€324 EUR
View
A
Retailer 6
-
€332 EUR
View
B+
Retailer 7
-
€350 EUR
View
A
Retailer 8
-
€363 EUR
View
B+
Retailer 9
-
€408 EUR
View
Retailer 10
-
€428 EUR
View
Price last confirmed 19 days ago
B+
Retailer 11
-
€432 EUR
View
Retailer 12
-
€526 EUR
View
Price last confirmed 19 days ago
Retailer 13
-
€594 EUR
View
Price last confirmed 41 days ago
B
Retailer 14
-
€627 EUR
View
Most Expensive
B
MOH London
LG681502971 · Nov 1
€864 EUR
£764 GBP
View
14 more retailers have this diamond
Prices start from €324 EURSave up to €540 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
1.24ct Round
€324 EUR