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Marquise|Lab Grown|IGI

4.00ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG600351038

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG600351038

Diamond specifications and retailer prices

From $6,497 USD
As of October 30, 2026
Save $26,348 USD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $32,845 USD at Michael Trio · As of October 30, 2026
View at Michael Trio

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG600351038 or 600351038. Listed at 25 retailers as of October 30, 2026, with prices from $6,497 to $32,845, a $26,348 spread on the same certified stone. Michael Trio lists it at $32,845. 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

4.00
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600351038
Dimensions16.20 × 8.33 × 5.18 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
16.20 mm8.33 mm4.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600351038
Side View
Table 63.0%Crown 35.5°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 62.2%

Caratlytics Score

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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 30
Current: $32,845 USD|Low: $5,805 USD|High: $45,290 USD|Avg: $15,467 USD
Michael Trio
Retailer 2
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October 29, 2026
Retailer 11$6,497 USD
Retailer 23$7,258 USD
Retailer 7$7,466 USD
Retailer 6$7,548 USD
Retailer 8$8,128 USD
Retailer 21$8,370 USD
Retailer 4$8,419 USD
Retailer 9$8,827 USD
Retailer 18$9,373 USD
Retailer 20$9,519 USD
Retailer 10$9,651 USD
Retailer 5$10,452 USD
Retailer 13$11,432 USD
Retailer 15$13,320 USD
Retailer 3$13,910 USD
Retailer 17$17,344 USD
Retailer 2$19,781 USD
Retailer 19$20,466 USD
Retailer 22$21,620 USD
Retailer 12$23,172 USD
Retailer 14$30,199 USD
Michael Trio$32,845 USD
Retailer 16$45,290 USD

34 data points across 23 retailers

25 retailers$6,497 USD to $32,845 USD

A
Cheapest Retailer
-
$6,497 USD
A
Retailer 2
-
$7,258 USD
View
A
Retailer 3
-
$7,466 USD
View
A
Retailer 4
-
$7,548 USD
View
A
Retailer 5
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$8,128 USD
View
Final sale: no returns
A
Retailer 6
-
$8,370 USD
View
Retailer 7
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$8,419 USD
View
Price last confirmed 14 days ago
A
Retailer 8
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$8,419 USD
View
Retailer 9
-
$8,827 USD
£6,950 GBP
View
Price last confirmed 21 days ago
A
Retailer 10
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$9,373 USD
View
A
Retailer 11
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$9,519 USD
View
A
Retailer 12
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$9,651 USD
HK$75,400 HKD
View
A
Retailer 13
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$10,452 USD
View
A
Retailer 14
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$11,432 USD
£9,001 GBP
View
B+
Retailer 15
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$13,320 USD
£10,488 GBP
View
B+
Retailer 16
-
$13,910 USD
View
B+
Retailer 17
-
$17,344 USD
£13,657 GBP
View
B+
Retailer 18
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$19,781 USD
ZAR 319,563 ZAR
View
Retailer 19
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$20,466 USD
A$31,486 AUD
View
Price last confirmed 7 days ago
B
Retailer 20
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$21,561 USD
View
B
Retailer 21
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$21,620 USD
View
B
Retailer 22
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$23,172 USD
View
B
Retailer 23
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$30,199 USD
View
Most Expensive
B
Michael Trio
8520502180 · Oct 30
$32,845 USD
SGD 44,385 SGD
View
23 more retailers have this diamond
Prices start from $6,497 USDSave up to $26,348 USD

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
4.00ct Marquise
$6,497 USD