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Marquise|Lab Grown|IGI

4.18ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG817652523

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817652523

Diamond specifications and retailer prices

From $10,750 SGD
$8,409 USD
As of October 31, 2026
Save $18,112 SGD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $33,152 SGD at Wholesale Diamonds Direct · As of October 24, 2026
View at Wholesale Diamonds Direct

About this 4.18ct lab-grown marquise diamond

This 4.18ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817652523 or 817652523. Listed at 11 retailers as of October 31, 2026, with a 168% 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

4.18
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817652523
Dimensions16.24 × 8.60 × 5.18 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.24 mm8.60 mm4.18 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817652523
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.2%

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 31
Current: $20,748 SGD|Low: $9,646 SGD|High: $63,975 SGD|Avg: $23,329 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Wholesale Diamonds Direct
October 18, 2026
Retailer 12$10,750 SGD
Retailer 18$11,246 SGD
Retailer 11$11,620 SGD
Retailer 7$12,592 SGD
Retailer 14$14,510 SGD
Retailer 4$14,735 SGD
Retailer 3$15,640 SGD
Retailer 6$18,216 SGD
Retailer 15$19,984 SGD
Retailer 16$20,068 SGD
Retailer 1$20,748 SGD
Retailer 5$22,996 SGD
Retailer 2$23,410 SGD
Retailer 17$27,138 SGD
Retailer 13$28,862 SGD
Wholesale Diamonds Direct$33,152 SGD
Retailer 10$35,385 SGD
Retailer 8$40,356 SGD
Retailer 9$63,975 SGD

17 data points across 19 retailers

11 retailers$10,750 SGD to $28,862 SGD

A
Cheapest Retailer
-
$10,750 SGD
$8,409 USD
Retailer 2
-
$11,246 SGD
$8,797 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
$11,620 SGD
CA$12,624 CAD
View
A
Retailer 4
-
$14,510 SGD
$11,350 USD
View
B+
Retailer 5
-
$19,984 SGD
$15,632 USD
View
B+
Retailer 6
-
$20,748 SGD
$16,230 USD
View
Retailer 7
-
$21,720 SGD
$16,990 USD
View
Price last confirmed 27 days ago
Retailer 8
-
$23,410 SGD
£14,419 GBP
View
Price last confirmed 31 days ago
Retailer 9
-
$27,138 SGD
ZAR 342,941 ZAR
View
Price last confirmed 29 days ago
B
Retailer 10
-
$28,862 SGD
$22,577 USD
View
Most Expensive
Wholesale Diamonds Direct
475659898 · Oct 24
$33,152 SGD
$25,933 USD
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from $10,750 SGDSave up to $18,112 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
4.18ct Marquise
$10,750 SGD