Marquise|Lab Grown|IGI

4.97ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG845667365

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845667365

Diamond specifications and retailer prices

From $1,037 SGD
$811 USD
As of November 1, 2026
Save $5,376 SGD (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $12,034 SGD at Brilliant Earth · As of October 26, 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 LG845667365 or 845667365. 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 angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845667365
Dimensions17.31 × 8.95 × 5.60 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.31 mm8.95 mm4.97 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845667365
Side View
Table 61.0%Crown 35.1°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $12,034 SGD|Low: $1,037 SGD|High: $12,034 SGD|Avg: $5,598 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 3$1,037 SGD
Retailer 2$1,785 SGD
Retailer 4$6,414 SGD
Brilliant Earth$12,034 SGD

12 data points across 4 retailers

4 retailers$1,037 SGD to $6,414 SGD

A
Cheapest Retailer
-
$1,037 SGD
$811 USD
Final sale: no returns
A
Retailer 2
-
$1,785 SGD
£1,099 GBP
View
B
Retailer 3
-
$6,414 SGD
$5,015 USD
View
Most Expensive
Brilliant Earth
22179017A · Oct 26
$12,034 SGD
$9,410 USD
View
Price last confirmed 7 days ago
3 more retailers have this diamond
Prices start from $1,037 SGDSave up to $5,376 SGD

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
$1,037 SGD