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Marquise|Lab Grown|IGI

1.81ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG844627240

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844627240

Diamond specifications and retailer prices

From $727 USD
As of November 1, 2026
Save $4,563 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,290 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.81ct lab-grown marquise diamond

This 1.81ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG844627240 or 844627240. Listed at 18 retailers as of November 1, 2026, with prices from $727 to $5,290, a $4,563 spread on the same certified stone. Brilliant Earth lists it at $5,290. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844627240
Dimensions13.22 × 6.02 × 3.81 mm
L/W Ratio2.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.22 mm6.02 mm1.81 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844627240
Side View
Table 63.0%Crown 41.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,290 USD|Low: $727 USD|High: $5,290 USD|Avg: $1,902 USD
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
November 1, 2026
Retailer 3$727 USD
Retailer 11$852 USD
Retailer 13$930 USD
Retailer 2$1,080 USD
Retailer 9$1,187 USD
Retailer 12$1,194 USD
Retailer 10$1,407 USD
Retailer 15$1,517 USD
Retailer 5$1,876 USD
Retailer 6$1,933 USD
Retailer 8$2,377 USD
Retailer 16$2,570 USD
Retailer 17$2,600 USD
Retailer 14$2,676 USD
Retailer 4$3,123 USD
Retailer 7$3,218 USD
Retailer 18$4,640 USD
Brilliant Earth$5,290 USD

14 data points across 18 retailers

18 retailers$727 USD to $5,290 USD

A+
Cheapest Retailer
-
$727 USD
Final sale: no returns
A
Retailer 2
-
$852 USD
£671 GBP
View
A
Retailer 3
-
$930 USD
View
A
Retailer 4
-
$1,080 USD
View
A
Retailer 5
-
$1,187 USD
€1,130 EUR
View
A
Retailer 6
-
$1,194 USD
£940 GBP
View
Retailer 7
-
$1,407 USD
ZAR 22,725 ZAR
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,517 USD
View
A
Retailer 9
-
$1,876 USD
A$2,886 AUD
View
A
Retailer 10
-
$1,933 USD
View
B+
Retailer 11
-
$2,377 USD
£1,872 GBP
View
B+
Retailer 12
-
$2,570 USD
View
B+
Retailer 13
-
$2,600 USD
View
B+
Retailer 14
-
$2,676 USD
View
B+
Retailer 15
-
$3,123 USD
SGD 4,220 SGD
View
B+
Retailer 16
-
$3,218 USD
£2,534 GBP
View
B
Retailer 17
-
$4,640 USD
A$7,139 AUD
View
Most Expensive
B
Brilliant Earth
22272552A · Nov 1
$5,290 USD
View
17 more retailers have this diamond
Prices start from $727 USDSave up to $4,563 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 Marquise
$727 USD