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Marquise|Lab Grown|IGI

3.20ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG799676793

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799676793

Diamond specifications and retailer prices

From $3,634 USD
As of October 31, 2026
Save $14,587 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $27,440 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.2ct lab-grown marquise diamond

This 3.2ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799676793 or 799676793. Listed at 21 retailers as of October 31, 2026, with a 401% 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

3.20
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676793
Dimensions14.72 × 7.67 × 4.83 mm
L/W Ratio1.92
Girdle conditionFaceted
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
14.72 mm7.67 mm3.20 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676793
Side View
Table 59.0%Crown 36.4°Girdle: MediumPavilion 40.2°Culet: NoneDepth 63.0%

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: $6,623 USD|Low: $3,190 USD|High: $17,745 USD|Avg: $7,235 USD|+0.5%
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
October 31, 2026
Retailer 13$3,989 USD
Retailer 3$4,181 USD
Retailer 6$4,362 USD
Retailer 7$4,467 USD
Retailer 4$4,627 USD
Retailer 14$4,627 USD
Retailer 12$4,685 USD
Retailer 11$6,137 USD
Retailer 2$6,383 USD
Retailer 1$6,623 USD
Retailer 16$7,166 USD
Retailer 8$7,193 USD
Retailer 10$10,632 USD
Retailer 15$11,746 USD
Retailer 9$11,859 USD
Retailer 5$17,745 USD

40 data points across 16 retailers

21 retailers$3,634 USD to $18,221 USD

A
Cheapest Retailer
-
$3,634 USD
A
Retailer 2
-
$3,989 USD
View
A
Retailer 3
-
$4,181 USD
View
A
Retailer 4
-
$4,362 USD
View
A
Retailer 5
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$4,467 USD
View
Final sale: no returns
Retailer 6
-
$4,627 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$4,627 USD
View
A
Retailer 8
-
$4,685 USD
View
A
Retailer 9
-
$6,131 USD
HK$47,900 HKD
View
A
Retailer 10
-
$6,137 USD
View
A
Retailer 11
-
$6,383 USD
View
B+
Retailer 12
-
$6,623 USD
£5,215 GBP
View
B+
Retailer 13
-
$7,166 USD
View
B+
Retailer 14
-
$7,193 USD
£5,664 GBP
View
B+
Retailer 15
-
$10,632 USD
£8,372 GBP
View
B
Retailer 16
-
$11,746 USD
View
B+
Retailer 17
-
$11,859 USD
ZAR 191,579 ZAR
View
B
Retailer 18
-
$13,359 USD
View
B
Retailer 19
-
$17,745 USD
SGD 23,980 SGD
View
B
Retailer 20
-
$18,221 USD
View
Most Expensive
Do Amore Diamonds
27-4AFB4318A · Oct 31
$27,440 USD
View
Price under review
20 more retailers have this diamond
Prices start from $3,634 USDSave up to $14,587 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
3.20ct Marquise
$3,634 USD