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Marquise|Lab Grown|IGI

4.97ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG844649873

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844649873

Diamond specifications and retailer prices

From $1,157 AUD
$811 USD
As of October 31, 2026
Save $5,999 AUD (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $13,427 AUD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 4.97ct lab-grown marquise diamond

This 4.97ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844649873 or 844649873. Listed at 4 retailers as of October 28, 2026, with a 518% 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

4.97
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844649873
Dimensions17.34 × 8.79 × 5.62 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.34 mm8.79 mm4.97 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844649873
Side View
Table 62.0%Crown 37.1°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.9%

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: Oct 31
Current: $13,427 AUD|Low: $1,157 AUD|High: $13,441 AUD|Avg: $6,414 AUD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 2$1,157 AUD
Retailer 3$1,969 AUD
Retailer 4$7,156 AUD
Brilliant Earth$13,427 AUD

14 data points across 4 retailers

4 retailers$1,157 AUD to $7,156 AUD

A
Cheapest Retailer
-
$1,157 AUD
$811 USD
Final sale: no returns
A
Retailer 2
-
$1,969 AUD
£1,087 GBP
View
B
Retailer 3
-
$7,156 AUD
$5,015 USD
View
Most Expensive
Brilliant Earth
22003751A · Oct 24
$13,427 AUD
$9,410 USD
View
Price last confirmed 9 days ago
3 more retailers have this diamond
Prices start from $1,157 AUDSave up to $5,999 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
4.97ct Marquise
$1,157 AUD