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1.24ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG767601349

Shape and cutting style on the report: Round brilliant

Certificate IGI LG767601349

Diamond specifications and retailer prices

From $399 USD
As of November 5, 2026
Save $673 USD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,072 USD at MOH London · As of November 5, 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 LG767601349 or 767601349. Listed at 7 retailers as of November 5, 2026, with prices from $399 to $1,072, a $673 spread on the same certified stone. MOH London lists it at $1,072. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG767601349
Dimensions7.00 × 6.94 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.00 mm6.94 mm1.24 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG767601349
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
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: $1,072 USD|Low: $376 USD|High: $1,076 USD|Avg: $519 USD|+0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$387 USD
Retailer 7$399 USD
Retailer 4$404 USD
Retailer 2$408 USD
Retailer 3$478 USD
Retailer 6$490 USD
MOH London$1,072 USD

44 data points across 7 retailers

7 retailers$399 USD to $1,072 USD

Retailer 1
-
$387 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$399 USD
View
A
Retailer 3
-
$404 USD
View
A
Retailer 4
-
$408 USD
View
B+
Retailer 5
-
$478 USD
View
B+
Retailer 6
-
$490 USD
View
Most Expensive
B
MOH London
LG767601349 · Nov 5
$1,072 USD
£844 GBP
View
6 more retailers have this diamond
Prices start from $399 USDSave up to $673 USD

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
$399 USD