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Marquise|Lab Grown|IGI

1.89ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG825670312

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825670312

Diamond specifications and retailer prices

From $2,913 AUD
$2,046 USD
As of October 31, 2026
Save $7,815 AUD (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,728 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.89ct lab-grown marquise diamond

This 1.89ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825670312 or 825670312. Listed at 8 retailers as of October 30, 2026, with prices from $2,913 to $10,728, a $7,815 spread on the same certified stone. Taylor and Hart lists it at $10,728. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825670312
Dimensions12.43 × 6.46 × 4.10 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.43 mm6.46 mm1.89 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825670312
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.5%

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: Oct 31
Current: $4,210 AUD|Low: $2,913 AUD|High: $13,375 AUD|Avg: $7,514 AUD|-20.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
October 30, 2026
Retailer 5$2,913 AUD
Retailer 7$3,829 AUD
Retailer 1$4,210 AUD
Retailer 4$4,378 AUD
Retailer 2$5,629 AUD
Retailer 6$8,251 AUD
Retailer 3$8,792 AUD
Taylor and Hart$10,728 AUD

43 data points across 8 retailers

8 retailers$2,913 AUD to $10,728 AUD

A
Cheapest Retailer
-
$2,913 AUD
$2,046 USD
Retailer 2
-
$3,829 AUD
$2,690 USD
View
Price last confirmed 19 days ago
B+
Retailer 3
-
$4,210 AUD
£2,329 GBP
View
B+
Retailer 4
-
$4,378 AUD
$3,075 USD
View
B+
Retailer 5
-
$5,629 AUD
ZAR 63,878 ZAR
View
B
Retailer 6
-
$8,251 AUD
$5,796 USD
View
B
Retailer 7
-
$8,792 AUD
£4,863 GBP
View
Most Expensive
B
Taylor and Hart
ZOD66FP · Oct 30
$10,728 AUD
$7,536 USD
View
7 more retailers have this diamond
Prices start from $2,913 AUDSave up to $7,815 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
1.89ct Marquise
$2,913 AUD