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Marquise|Lab Grown|IGI

1.91ct F IF Marquise Lab Grown Diamond

VG • F/IF • IGI LG627482530

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG627482530

Diamond specifications and retailer prices

From $863 AUD
$605 USD
As of November 2, 2026
Save $3,781 AUD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,645 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG627482530 or 627482530. Listed at 20 retailers as of November 1, 2026, with prices from $863 to $4,645, a $3,781 spread on the same certified stone. MOH London lists it at $4,645. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.91
Carat
F
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627482530
Dimensions12.41 × 6.47 × 4.08 mm
L/W Ratio1.92
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
12.41 mm6.47 mm1.91 ctF / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627482530
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.1%

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: Nov 2
Current: $4,645 AUD|Low: $863 AUD|High: $4,735 AUD|Avg: $2,500 AUD|-0.7%
MOH London
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
November 2, 2026
Retailer 20$863 AUD
Retailer 14$966 AUD
Retailer 6$1,070 AUD
Retailer 18$1,070 AUD
Retailer 13$1,101 AUD
Retailer 15$1,256 AUD
Retailer 5$1,391 AUD
Retailer 12$1,479 AUD
Retailer 7$1,642 AUD
Retailer 2$1,839 AUD
Retailer 19$2,342 AUD
Retailer 16$2,654 AUD
Retailer 4$2,814 AUD
Retailer 9$3,110 AUD
Retailer 8$3,415 AUD
Retailer 3$3,455 AUD
Retailer 17$3,960 AUD
Retailer 11$4,299 AUD
Retailer 10$4,428 AUD
MOH London$4,645 AUD

36 data points across 20 retailers

20 retailers$863 AUD to $4,645 AUD

A
Cheapest Retailer
-
$863 AUD
$605 USD
A
Retailer 2
-
$966 AUD
$677 USD
View
A
Retailer 3
-
$1,070 AUD
$750 USD
View
Retailer 4
-
$1,070 AUD
$750 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,101 AUD
£608 GBP
View
A
Retailer 6
-
$1,256 AUD
$880 USD
View
A
Retailer 7
-
$1,391 AUD
$975 USD
View
Retailer 8
-
$1,479 AUD
HK$8,100 HKD
View
Price last confirmed 59 days ago
A
Retailer 9
-
$1,642 AUD
$1,151 USD
View
A
Retailer 10
-
$1,839 AUD
ZAR 20,817 ZAR
View
B+
Retailer 11
-
$2,342 AUD
$1,641 USD
View
B+
Retailer 12
-
$2,654 AUD
$1,860 USD
View
B+
Retailer 13
-
$2,814 AUD
$1,972 USD
View
B+
Retailer 14
-
$3,110 AUD
£1,716 GBP
View
B
Retailer 15
-
$3,415 AUD
$2,393 USD
View
B
Retailer 16
-
$3,455 AUD
$2,421 USD
View
B
Retailer 17
-
$3,960 AUD
$2,775 USD
View
Retailer 18
-
$4,299 AUD
SGD 4,071 SGD
View
Price last confirmed 25 days ago
Retailer 19
-
$4,428 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG627482530 · Nov 1
$4,645 AUD
£2,563 GBP
View
19 more retailers have this diamond
Prices start from $863 AUDSave up to $3,781 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
1.91ct Marquise
$863 AUD