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Marquise|Lab Grown|IGI

3.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG802606950

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802606950

Diamond specifications and retailer prices

From $2,491 USD
As of October 30, 2026
Save $7,593 USD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,084 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG802606950 or 802606950. Listed at 20 retailers as of October 30, 2026, with prices from $2,491 to $10,084, a $7,593 spread on the same certified stone. Taylor and Hart lists it at $10,084. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802606950
Dimensions15.69 × 7.51 × 4.69 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.69 mm7.51 mm3.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802606950
Side View
Table 60.0%Crown 37.1°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 62.5%

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 30
Current: $3,902 USD|Low: $2,491 USD|High: $12,330 USD|Avg: $5,528 USD|-8.2%
Retailer 1
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Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
Taylor and Hart
October 31, 2026
Retailer 6$2,491 USD
Retailer 2$2,710 USD
Retailer 19$2,789 USD
Retailer 15$2,890 USD
Retailer 11$3,050 USD
Retailer 16$3,050 USD
Retailer 10$3,341 USD
Retailer 13$3,449 USD
Retailer 9$3,622 USD
Retailer 1$3,902 USD
Retailer 8$3,949 USD
Retailer 18$3,972 USD
Retailer 7$4,504 USD
Retailer 5$4,790 USD
Retailer 3$5,486 USD
Retailer 14$6,710 USD
Retailer 4$7,716 USD
Retailer 17$7,779 USD
Retailer 12$9,240 USD
Taylor and Hart$10,084 USD

36 data points across 20 retailers

20 retailers$2,491 USD to $10,084 USD

A
Cheapest Retailer
-
$2,491 USD
A
Retailer 2
-
$2,710 USD
View
A
Retailer 3
-
$2,789 USD
View
Final sale: no returns
A
Retailer 4
-
$2,890 USD
View
A
Retailer 5
-
$3,050 USD
View
A
Retailer 6
-
$3,050 USD
View
A
Retailer 7
-
$3,341 USD
HK$26,100 HKD
View
A
Retailer 8
-
$3,449 USD
£2,715 GBP
View
A
Retailer 9
-
$3,622 USD
View
A
Retailer 10
-
$3,902 USD
£3,072 GBP
View
A
Retailer 11
-
$3,949 USD
View
A
Retailer 12
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$3,972 USD
View
A
Retailer 13
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$4,504 USD
View
A
Retailer 14
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$4,790 USD
€4,562 EUR
View
A
Retailer 15
-
$5,486 USD
£4,320 GBP
View
B+
Retailer 16
-
$6,710 USD
ZAR 108,405 ZAR
View
B+
Retailer 17
-
$7,716 USD
View
B+
Retailer 18
-
$7,779 USD
£6,125 GBP
View
B+
Retailer 19
-
$9,240 USD
View
Most Expensive
B+
Taylor and Hart
YJ2EXM4 · Oct 30
$10,084 USD
View
19 more retailers have this diamond
Prices start from $2,491 USDSave up to $7,593 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
$2,491 USD