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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 $3,184 SGD
$2,491 USD
As of October 30, 2026
Save $9,706 SGD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,891 SGD at Taylor and Hart · As of October 31, 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 21 retailers as of October 30, 2026, with prices from $3,184 to $12,891, a $9,706 spread on the same certified stone. Taylor and Hart lists it at $12,891. 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
Colour
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

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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: $8,341 SGD|Low: $3,184 SGD|High: $15,763 SGD|Avg: $7,006 SGD
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
Retailer 19
Retailer 20
Taylor and Hart
November 1, 2026
Retailer 7$3,184 SGD
Retailer 3$3,464 SGD
Retailer 2$3,565 SGD
Retailer 17$3,695 SGD
Retailer 13$3,899 SGD
Retailer 18$3,899 SGD
Retailer 11$4,271 SGD
Retailer 12$4,396 SGD
Retailer 10$4,630 SGD
Retailer 14$4,946 SGD
Retailer 9$5,048 SGD
Retailer 20$5,078 SGD
Retailer 8$5,758 SGD
Retailer 6$6,124 SGD
Retailer 4$7,014 SGD
Retailer 1$8,341 SGD
Retailer 16$8,578 SGD
Retailer 5$9,864 SGD
Retailer 19$9,944 SGD
Retailer 15$11,812 SGD
Taylor and Hart$12,891 SGD

36 data points across 21 retailers

21 retailers$3,184 SGD to $12,891 SGD

A
Cheapest Retailer
-
$3,184 SGD
$2,491 USD
A
Retailer 2
-
$3,464 SGD
$2,710 USD
View
A
Retailer 3
-
$3,565 SGD
$2,789 USD
View
Final sale: no returns
A
Retailer 4
-
$3,695 SGD
$2,890 USD
View
A
Retailer 5
-
$3,899 SGD
$3,050 USD
View
A
Retailer 6
-
$3,899 SGD
$3,050 USD
View
A
Retailer 7
-
$4,271 SGD
HK$26,100 HKD
View
A
Retailer 8
-
$4,396 SGD
£2,707 GBP
View
A
Retailer 9
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$4,630 SGD
$3,622 USD
View
A
Retailer 10
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$4,946 SGD
£3,047 GBP
View
A
Retailer 11
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$5,048 SGD
$3,949 USD
View
A
Retailer 12
-
$5,078 SGD
$3,972 USD
View
A
Retailer 13
-
$5,758 SGD
$4,504 USD
View
A
Retailer 14
-
$6,124 SGD
€4,562 EUR
View
A
Retailer 15
-
$7,014 SGD
£4,320 GBP
View
Retailer 16
-
$8,341 SGD
A$10,038 AUD
View
B+
Retailer 17
-
$8,578 SGD
ZAR 108,405 ZAR
View
B+
Retailer 18
-
$9,864 SGD
$7,716 USD
View
B+
Retailer 19
-
$9,944 SGD
£6,125 GBP
View
B+
Retailer 20
-
$11,812 SGD
$9,240 USD
View
Most Expensive
B+
Taylor and Hart
YJ2EXM4 · Oct 31
$12,891 SGD
$10,084 USD
View
20 more retailers have this diamond
Prices start from $3,184 SGDSave up to $9,706 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
3.20ct Marquise
$3,184 SGD