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Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840634392

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634392

Diamond specifications and retailer prices

From $602 SGD
$471 USD
As of October 29, 2026
Save $3,732 SGD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,334 SGD at Brilliant Earth · As of October 30, 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 LG840634392 or 840634392. Listed at 21 retailers as of October 29, 2026, with prices from $602 to $4,334, a $3,732 spread on the same certified stone. Brilliant Earth lists it at $4,334. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634392
Dimensions7.82 × 7.87 × 4.81 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
7.82 mm7.87 mm1.81 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634392
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.2%

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: Oct 29
Current: $4,334 SGD|Low: $602 SGD|High: $5,114 SGD|Avg: $1,871 SGD|-15.3%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 7$602 SGD
Retailer 20$674 SGD
Retailer 8$697 SGD
Retailer 12$747 SGD
Retailer 5$927 SGD
Retailer 2$958 SGD
Retailer 10$1,062 SGD
Retailer 3$1,165 SGD
Retailer 13$1,234 SGD
Retailer 15$1,238 SGD
Retailer 16$1,282 SGD
Retailer 6$1,763 SGD
Retailer 4$2,006 SGD
Retailer 14$2,398 SGD
Retailer 11$2,436 SGD
Retailer 9$2,565 SGD
Retailer 19$2,607 SGD
Retailer 21$2,662 SGD
Retailer 17$2,744 SGD
Retailer 18$4,187 SGD
Brilliant Earth$4,334 SGD

12 data points across 21 retailers

21 retailers$602 SGD to $4,334 SGD

A
Cheapest Retailer
-
$602 SGD
$471 USD
A
Retailer 2
-
$674 SGD
$527 USD
View
A
Retailer 3
-
$697 SGD
$545 USD
View
Final sale: no returns
A
Retailer 4
-
$747 SGD
$584 USD
View
A
Retailer 5
-
$927 SGD
$725 USD
View
A
Retailer 6
-
$958 SGD
£590 GBP
View
A
Retailer 7
-
$1,062 SGD
$831 USD
View
A
Retailer 8
-
$1,165 SGD
$911 USD
View
A
Retailer 9
-
$1,234 SGD
£760 GBP
View
A
Retailer 10
-
$1,238 SGD
€922 EUR
View
A
Retailer 11
-
$1,282 SGD
ZAR 16,201 ZAR
View
B+
Retailer 12
-
$1,763 SGD
$1,379 USD
View
B+
Retailer 13
-
$2,006 SGD
$1,569 USD
View
B+
Retailer 14
-
$2,398 SGD
$1,876 USD
View
B+
Retailer 15
-
$2,436 SGD
$1,906 USD
View
B+
Retailer 16
-
$2,565 SGD
View
B+
Retailer 17
-
$2,607 SGD
$2,039 USD
View
B+
Retailer 18
-
$2,662 SGD
$2,082 USD
View
B+
Retailer 19
-
$2,744 SGD
£1,690 GBP
View
B
Retailer 20
-
$4,187 SGD
$3,275 USD
View
Most Expensive
B
Brilliant Earth
22192244A · Oct 30
$4,334 SGD
$3,390 USD
View
20 more retailers have this diamond
Prices start from $602 SGDSave up to $3,732 SGD

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
$602 SGD