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Marquise|Lab Grown|IGI

11.57ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG842653418

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842653418

Diamond specifications and retailer prices

From $4,201 AUD
HK$23,000 HKD
As of November 1, 2026
Save $7,618 AUD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,441 AUD at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 11.57ct lab-grown marquise diamond

This 11.57ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842653418 or 842653418. Listed at 9 retailers as of November 1, 2026, with a 181% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.57
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842653418
Dimensions23.10 × 12.03 × 7.25 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
23.10 mm12.03 mm11.57 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842653418
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.3%

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: $4,898 AUD|Low: $4,000 AUD|High: $12,441 AUD|Avg: $7,146 AUD|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 2, 2026
Retailer 7$4,201 AUD
Retailer 8$4,262 AUD
Retailer 1$4,898 AUD
Retailer 5$5,561 AUD
Retailer 4$5,740 AUD
Retailer 3$8,290 AUD
Retailer 2$11,702 AUD
Retailer 6$11,819 AUD
Taylor and Hart$12,441 AUD

25 data points across 9 retailers

9 retailers$4,201 AUD to $11,819 AUD

A
Cheapest Retailer
-
$4,201 AUD
HK$23,000 HKD
A
Retailer 2
-
$4,262 AUD
$2,987 USD
View
A
Retailer 3
-
$4,898 AUD
£2,703 GBP
View
B+
Retailer 4
-
$5,561 AUD
$3,897 USD
View
B+
Retailer 5
-
$5,740 AUD
€3,831 EUR
View
B+
Retailer 6
-
$8,290 AUD
$5,810 USD
View
B
Retailer 7
-
$11,702 AUD
View
B
Retailer 8
-
$11,819 AUD
$8,283 USD
View
Most Expensive
Taylor and Hart
G2VRD6Y · Oct 18
$12,441 AUD
$8,719 USD
View
Price last confirmed 14 days ago
8 more retailers have this diamond
Prices start from $4,201 AUDSave up to $7,618 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
11.57ct Marquise
$4,201 AUD