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Marquise|Lab Grown|IGI

3.26ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754563421

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754563421

Diamond specifications and retailer prices

From $5,720 USD
As of November 2, 2026
Save $15,355 USD (73%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $29,989 USD at Michael Trio · As of November 2, 2026
View at Michael Trio

About this 3.26ct lab-grown marquise diamond

This 3.26ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754563421 or 754563421. Listed at 33 retailers as of November 1, 2026, with a 268% 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

3.26
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563421
Dimensions15.08 × 7.70 × 4.91 mm
L/W Ratio1.96
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
15.08 mm7.70 mm3.26 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563421
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.8%

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: Nov 2
Current: $29,989 USD|Low: $6,272 USD|High: $29,989 USD|Avg: $13,794 USD
Michael Trio
Retailer 2
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Retailer 12
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Retailer 17
November 2, 2026
Retailer 5$6,294 USD
Retailer 7$6,496 USD
Retailer 16$6,590 USD
Retailer 4$7,285 USD
Retailer 15$8,535 USD
Retailer 3$8,681 USD
Retailer 2$10,140 USD
Retailer 8$11,521 USD
Retailer 17$12,560 USD
Retailer 14$13,474 USD
Retailer 6$13,751 USD
Retailer 11$15,824 USD
Retailer 13$18,713 USD
Retailer 10$18,749 USD
Retailer 12$19,577 USD
Retailer 9$22,090 USD
Michael Trio$29,989 USD

37 data points across 17 retailers

33 retailers$5,720 USD to $21,075 USD

A
Cheapest Retailer
-
$5,720 USD
B+
Retailer 2
-
$6,294 USD
View
Retailer 3
-
$6,294 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$6,294 USD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
$6,496 USD
View
Retailer 6
-
$6,546 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$6,590 USD
View
Retailer 8
-
$7,200 USD
View
Price last confirmed 34 days ago
B+
Retailer 9
-
$7,285 USD
View
Retailer 10
-
$7,301 USD
View
Price last confirmed 30 days ago
Retailer 11
-
$7,301 USD
View
Price last confirmed 23 days ago
B+
Retailer 12
-
$8,417 USD
View
B+
Retailer 13
-
$8,535 USD
View
Final sale: no returns
B+
Retailer 14
-
$8,681 USD
View
B+
Retailer 15
-
$8,806 USD
HK$68,800 HKD
View
Retailer 16
-
$9,567 USD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$9,567 USD
View
Retailer 18
-
$9,567 USD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$10,140 USD
£7,984 GBP
View
Retailer 20
-
$10,340 USD
£8,142 GBP
View
Price last confirmed 18 days ago
B
Retailer 21
-
$11,521 USD
£9,072 GBP
View
B
Retailer 22
-
$12,560 USD
View
B
Retailer 23
-
$13,474 USD
€12,832 EUR
View
B
Retailer 24
-
$13,751 USD
View
B
Retailer 25
-
$15,824 USD
£12,460 GBP
View
B
Retailer 26
-
$18,713 USD
ZAR 302,304 ZAR
View
B
Retailer 27
-
$18,749 USD
A$28,844 AUD
View
B
Retailer 28
-
$19,577 USD
A$30,118 AUD
View
B
Retailer 29
-
$21,075 USD
View
Retailer 30
-
$22,090 USD
View
Price last confirmed 9 days ago
Retailer 31
-
$27,520 USD
View
Price under review
Most Expensive
Michael Trio
9875580450 · Nov 2
$29,989 USD
SGD 40,526 SGD
View
Price under review
31 more retailers have this diamond
Prices start from $5,720 USDSave up to $15,355 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
3.26ct Marquise
$5,720 USD