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1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840634367

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634367

Diamond specifications and retailer prices

From $471 USD
As of October 29, 2026
Save $3,519 USD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,990 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634367 or 840634367. Listed at 22 retailers as of October 29, 2026, with prices from $471 to $3,990, a $3,519 spread on the same certified stone. Brilliant Earth lists it at $3,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634367
Dimensions7.76 × 7.79 × 4.82 mm
L/W Ratio1.00
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
7.76 mm7.79 mm1.81 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634367
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: Oct 29
Current: $3,990 USD|Low: $471 USD|High: $4,000 USD|Avg: $1,604 USD|-0.3%
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 7$471 USD
Retailer 21$527 USD
Retailer 3$545 USD
Retailer 11$584 USD
Retailer 2$749 USD
Retailer 9$831 USD
Retailer 4$911 USD
Retailer 19$915 USD
Retailer 13$965 USD
Retailer 17$968 USD
Retailer 18$1,003 USD
Retailer 6$1,379 USD
Retailer 5$1,569 USD
Retailer 12$1,876 USD
Retailer 10$1,906 USD
Retailer 8$2,006 USD
Retailer 20$2,039 USD
Retailer 22$2,082 USD
Retailer 16$2,155 USD
Retailer 15$3,225 USD
Retailer 14$3,275 USD
Brilliant Earth$3,990 USD

15 data points across 22 retailers

22 retailers$471 USD to $3,990 USD

A
Cheapest Retailer
-
$471 USD
A
Retailer 2
-
$527 USD
View
A
Retailer 3
-
$545 USD
View
Final sale: no returns
A
Retailer 4
-
$584 USD
View
A
Retailer 5
-
$749 USD
£590 GBP
View
A
Retailer 6
-
$831 USD
View
A
Retailer 7
-
$911 USD
View
A
Retailer 8
-
$915 USD
View
A
Retailer 9
-
$965 USD
£760 GBP
View
A
Retailer 10
-
$968 USD
€922 EUR
View
A
Retailer 11
-
$1,003 USD
ZAR 16,201 ZAR
View
B+
Retailer 12
-
$1,379 USD
View
B+
Retailer 13
-
$1,569 USD
View
B+
Retailer 14
-
$1,876 USD
View
B+
Retailer 15
-
$1,906 USD
View
B+
Retailer 16
-
$2,006 USD
SGD 2,711 SGD
View
B+
Retailer 17
-
$2,039 USD
View
B+
Retailer 18
-
$2,082 USD
View
B+
Retailer 19
-
$2,155 USD
£1,697 GBP
View
B
Retailer 20
-
$3,225 USD
View
B
Retailer 21
-
$3,275 USD
View
Most Expensive
B
Brilliant Earth
22142669A · Oct 29
$3,990 USD
View
21 more retailers have this diamond
Prices start from $471 USDSave up to $3,519 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
1.81ct Round
$471 USD