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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 $2,267 AUD
$1,589 USD
As of November 2, 2026
Save $7,858 AUD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,125 AUD 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 2, 2026, with prices from $2,267 to $10,125, a $7,858 spread on the same certified stone. With Clarity lists it at $10,125. 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
Colour
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 2
Current: $2,877 AUD|Low: $2,267 AUD|High: $7,320 AUD|Avg: $4,251 AUD|-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$2,267 AUD
Retailer 3$2,450 AUD
Retailer 10$2,864 AUD
Retailer 1$2,877 AUD
Retailer 11$2,994 AUD
Retailer 7$3,193 AUD
Retailer 8$3,644 AUD
Retailer 4$5,142 AUD
Retailer 12$5,689 AUD
Retailer 6$6,378 AUD
Retailer 9$6,404 AUD
Retailer 5$7,111 AUD

42 data points across 12 retailers

16 retailers$2,267 AUD to $10,125 AUD

A
Cheapest Retailer
-
$2,267 AUD
$1,589 USD
A
Retailer 2
-
$2,429 AUD
HK$13,300 HKD
View
A
Retailer 3
-
$2,450 AUD
$1,717 USD
View
A
Retailer 4
-
$2,864 AUD
View
A
Retailer 5
-
$2,877 AUD
£1,588 GBP
View
B+
Retailer 6
-
$2,994 AUD
$2,098 USD
View
B+
Retailer 7
-
$3,193 AUD
€2,131 EUR
View
B+
Retailer 8
-
$3,644 AUD
ZAR 41,259 ZAR
View
Retailer 9
-
$4,654 AUD
$3,262 USD
View
Price last confirmed 85 days ago
Retailer 10
-
$5,142 AUD
$3,604 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$5,689 AUD
$3,987 USD
View
B+
Retailer 12
-
$6,378 AUD
$4,470 USD
View
B+
Retailer 13
-
$6,404 AUD
£3,534 GBP
View
B
Retailer 14
-
$6,946 AUD
$4,868 USD
View
B
Retailer 15
-
$7,111 AUD
View
Most Expensive
B
With Clarity
780662437 · Nov 2
$10,125 AUD
$7,096 USD
View
15 more retailers have this diamond
Prices start from $2,267 AUDSave up to $7,858 AUD

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
$2,267 AUD