Round|Lab Grown|IGI

1.24ct G I1 Round Lab Grown Diamond

ID • G/I1 • IGI LG804675121

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804675121

Diamond specifications and retailer prices

From $178 USD
As of November 1, 2026
Save $858 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,036 USD at MOH London · As of October 29, 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG804675121 or 804675121. Listed at 11 retailers as of October 29, 2026, with prices from $178 to $1,036, a $858 spread on the same certified stone. MOH London lists it at $1,036. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
G
Color
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804675121
Dimensions6.98 × 6.94 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm6.94 mm1.24 ctG / I1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG804675121
Side View
Table 58.0%Crown 33.9°Girdle: THN-MEDPavilion 41.2°CuletDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,036 USD|Low: $169 USD|High: $1,043 USD|Avg: $410 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$172 USD
Retailer 4$178 USD
Retailer 7$199 USD
Retailer 9$206 USD
Retailer 5$220 USD
Retailer 11$220 USD
Retailer 6$391 USD
Retailer 8$544 USD
Retailer 10$709 USD
Retailer 2$749 USD
MOH London$1,036 USD

17 data points across 11 retailers

11 retailers$178 USD to $1,036 USD

Retailer 1
-
$172 USD
Price last confirmed 83 days ago
B+
Retailer 2
-
$178 USD
View
B+
Retailer 3
-
$199 USD
View
Final sale: no returns
B+
Retailer 4
-
$206 USD
View
B+
Retailer 5
-
$220 USD
View
Retailer 6
-
$220 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$391 USD
View
B+
Retailer 8
-
$544 USD
View
B+
Retailer 9
-
$709 USD
View
B+
Retailer 10
-
$749 USD
View
Most Expensive
B+
MOH London
LG804675121 · Oct 29
$1,036 USD
£816 GBP
View
10 more retailers have this diamond
Prices start from $178 USDSave up to $858 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.

B+
1.24ct Round
$178 USD