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Marquise|Lab Grown|IGI

1.82ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG780662437

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662437

Diamond specifications and retailer prices

From $1,589 USD
As of November 1, 2026
Save $5,507 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,096 USD at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.82ct lab-grown marquise diamond

This 1.82ct 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 LG780662437 or 780662437. Listed at 16 retailers as of November 1, 2026, with prices from $1,589 to $7,096, a $5,507 spread on the same certified stone. With Clarity lists it at $7,096. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.82
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662437
Dimensions12.45 × 6.40 × 4.03 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
12.45 mm6.40 mm1.82 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662437
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
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: $2,016 USD|Low: $1,589 USD|High: $5,130 USD|Avg: $2,973 USD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2$1,589 USD
Retailer 3$1,717 USD
Retailer 10$2,007 USD
Retailer 1$2,016 USD
Retailer 11$2,098 USD
Retailer 7$2,238 USD
Retailer 8$2,554 USD
Retailer 4$3,604 USD
Retailer 12$3,987 USD
Retailer 6$4,470 USD
Retailer 9$4,488 USD
Retailer 5$4,984 USD

43 data points across 12 retailers

16 retailers$1,589 USD to $7,096 USD

A
Cheapest Retailer
-
$1,589 USD
A
Retailer 2
-
$1,702 USD
HK$13,300 HKD
View
A
Retailer 3
-
$1,717 USD
View
A
Retailer 4
-
$2,007 USD
A$3,088 AUD
View
A
Retailer 5
-
$2,016 USD
£1,588 GBP
View
B+
Retailer 6
-
$2,098 USD
View
B+
Retailer 7
-
$2,238 USD
€2,131 EUR
View
B+
Retailer 8
-
$2,554 USD
ZAR 41,259 ZAR
View
Retailer 9
-
$3,262 USD
View
Price last confirmed 84 days ago
Retailer 10
-
$3,604 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$3,987 USD
View
B+
Retailer 12
-
$4,470 USD
View
B+
Retailer 13
-
$4,488 USD
£3,534 GBP
View
B
Retailer 14
-
$4,868 USD
View
B
Retailer 15
-
$4,984 USD
A$7,667 AUD
View
Most Expensive
B
With Clarity
780662437 · Nov 2
$7,096 USD
View
15 more retailers have this diamond
Prices start from $1,589 USDSave up to $5,507 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
1.82ct Marquise
$1,589 USD