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Marquise|Lab Grown|IGI

5.50ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG839623354

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839623354

Diamond specifications and retailer prices

From $1,932 AUD
HK$10,600 HKD
As of October 30, 2026
Save $6,119 AUD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,050 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839623354 or 839623354. Listed at 11 retailers as of October 28, 2026, with prices from $1,932 to $8,050, a $6,119 spread on the same certified stone. Rare Carat lists it at $8,050. 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

5.50
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839623354
Dimensions19.03 × 9.49 × 5.38 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.03 mm9.49 mm5.50 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839623354
Side View
Table 65.0%Crown 32.9°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 56.7%

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 30
Current: $8,050 AUD|Low: $1,932 AUD|High: $8,683 AUD|Avg: $4,578 AUD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6$1,932 AUD
Retailer 8$2,175 AUD
Retailer 2$2,517 AUD
Retailer 9$2,607 AUD
Retailer 4$2,646 AUD
Retailer 11$3,706 AUD
Retailer 5$5,540 AUD
Retailer 10$5,685 AUD
Retailer 3$6,240 AUD
Retailer 7$8,005 AUD
Rare Carat$8,050 AUD

31 data points across 11 retailers

11 retailers$1,932 AUD to $8,050 AUD

A
Cheapest Retailer
-
$1,932 AUD
HK$10,600 HKD
A
Retailer 2
-
$2,175 AUD
$1,528 USD
View
A
Retailer 3
-
$2,517 AUD
£1,392 GBP
View
A
Retailer 4
-
$2,607 AUD
$1,831 USD
View
A
Retailer 5
-
$2,646 AUD
€1,770 EUR
View
B+
Retailer 6
-
$3,706 AUD
$2,603 USD
View
B+
Retailer 7
-
$5,540 AUD
£3,064 GBP
View
B
Retailer 8
-
$5,685 AUD
$3,994 USD
View
Retailer 9
-
$6,240 AUD
View
Price last confirmed 23 days ago
B
Retailer 10
-
$8,005 AUD
$5,623 USD
View
Most Expensive
B
Rare Carat
KI3546233KF839 · Oct 28
$8,050 AUD
$5,655 USD
View
10 more retailers have this diamond
Prices start from $1,932 AUDSave up to $6,119 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
5.50ct Marquise
$1,932 AUD