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Round|Lab Grown|IGI

1.24ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG836620578

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836620578

Diamond specifications and retailer prices

From $264 USD
As of October 29, 2026
Save $1,556 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,820 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620578 or 836620578. Listed at 19 retailers as of October 29, 2026, with prices from $264 to $1,820, a $1,556 spread on the same certified stone. Brilliant Earth lists it at $1,820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620578
Dimensions6.89 × 6.85 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.89 mm6.85 mm1.24 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620578
Side View
Table 56.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 29
Current: $1,820 USD|Low: $296 USD|High: $2,130 USD|Avg: $850 USD|-14.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 7$296 USD
Retailer 3$306 USD
Retailer 10$485 USD
Retailer 8$544 USD
Retailer 5$544 USD
Retailer 9$562 USD
Retailer 2$625 USD
Retailer 6$745 USD
Retailer 15$1,005 USD
Retailer 12$1,058 USD
Retailer 4$1,103 USD
Retailer 11$1,162 USD
Retailer 14$1,318 USD
Retailer 13$1,545 USD
Brilliant Earth$1,820 USD

39 data points across 15 retailers

19 retailers$264 USD to $1,820 USD

A+
Cheapest Retailer
-
$264 USD
A
Retailer 2
-
$296 USD
View
Final sale: no returns
A
Retailer 3
-
$306 USD
View
A
Retailer 4
-
$327 USD
View
A
Retailer 5
-
$327 USD
View
A
Retailer 6
-
$485 USD
View
A
Retailer 7
-
$544 USD
€518 EUR
View
A
Retailer 8
-
$544 USD
View
A
Retailer 9
-
$562 USD
ZAR 9,083 ZAR
View
A
Retailer 10
-
$625 USD
£492 GBP
View
B+
Retailer 11
-
$745 USD
View
B+
Retailer 12
-
$1,005 USD
View
B+
Retailer 13
-
$1,052 USD
View
B+
Retailer 14
-
$1,058 USD
SGD 1,430 SGD
View
B+
Retailer 15
-
$1,103 USD
View
B+
Retailer 16
-
$1,162 USD
View
B+
Retailer 17
-
$1,318 USD
£1,038 GBP
View
Retailer 18
-
$1,545 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21433458A · Oct 29
$1,820 USD
View
18 more retailers have this diamond
Prices start from $264 USDSave up to $1,556 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
$264 USD