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Marquise|Lab Grown|IGI

1.63ct I VS2 Marquise Lab Grown Diamond

EX • I/VS2 • IGI LG436045808

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045808

Diamond specifications and retailer prices

From $2,246 AUD
$1,578 USD
As of October 30, 2026
Save $2,638 AUD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,292 AUD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1.63ct lab-grown marquise diamond

This 1.63ct lab-grown marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436045808 or 436045808. Listed at 11 retailers as of October 30, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045808
Dimensions11.45 × 6.37 × 3.87 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
11.45 mm6.37 mm1.63 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045808
Side View
Table 57.0%Crown 34°Girdle: UNDPavilion 41°Culet: NoneDepth 60.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,292 AUD|Low: $1,795 AUD|High: $7,541 AUD|Avg: $4,167 AUD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 8$2,246 AUD
Retailer 5$2,437 AUD
Retailer 12$2,444 AUD
Retailer 13$2,516 AUD
Retailer 9$2,605 AUD
Retailer 7$2,847 AUD
Retailer 3$3,512 AUD
Retailer 10$4,099 AUD
Retailer 6$4,608 AUD
Retailer 11$4,884 AUD
Flawless Fine Jewelry$6,292 AUD
Retailer 2$7,442 AUD
Retailer 4$7,460 AUD

17 data points across 13 retailers

11 retailers$2,246 AUD to $4,884 AUD

B
Cheapest Retailer
-
$2,246 AUD
$1,578 USD
B
Retailer 2
-
$2,444 AUD
$1,717 USD
View
B
Retailer 3
-
$2,516 AUD
$1,767 USD
View
Final sale: no returns
B
Retailer 4
-
$2,605 AUD
$1,830 USD
View
Retailer 5
-
$2,605 AUD
$1,830 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$2,847 AUD
$2,000 USD
View
B
Retailer 7
-
$4,099 AUD
$2,879 USD
View
B
Retailer 8
-
$4,608 AUD
$3,237 USD
View
B
Retailer 9
-
$4,884 AUD
$3,431 USD
View
Most Expensive
Flawless Fine Jewelry
0DC4634D1 · Oct 31
$6,292 AUD
£3,480 GBP
View
Price under review
9 more retailers have this diamond
Prices start from $2,246 AUDSave up to $2,638 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.

B
1.63ct Marquise
$2,246 AUD