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Marquise|Lab Grown|IGI

3.30ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG762545826

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545826

Diamond specifications and retailer prices

From $3,765 USD
As of October 31, 2026
Save $15,476 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,241 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.3ct lab-grown marquise diamond

This 3.3ct 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 LG762545826 or 762545826. Listed at 12 retailers as of October 31, 2026, with prices from $3,765 to $19,241, a $15,476 spread on the same certified stone. Taylor and Hart lists it at $19,241. 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

3.30
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545826
Dimensions15.99 × 7.72 × 4.72 mm
L/W Ratio2.07
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
15.99 mm7.72 mm3.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545826
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.1%

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: $11,138 USD|Low: $3,765 USD|High: $19,241 USD|Avg: $10,009 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 9$3,765 USD
Retailer 12$4,579 USD
Retailer 4$6,835 USD
Retailer 6$6,992 USD
Retailer 10$7,645 USD
Retailer 11$8,300 USD
Retailer 8$8,857 USD
Retailer 3$9,209 USD
Retailer 7$9,980 USD
Retailer 1$11,138 USD
Retailer 2$14,520 USD
Retailer 5$17,875 USD
Taylor and Hart$19,241 USD

37 data points across 13 retailers

12 retailers$3,765 USD to $19,241 USD

A
Cheapest Retailer
-
$3,765 USD
A
Retailer 2
-
$4,579 USD
View
B+
Retailer 3
-
$6,835 USD
HK$53,400 HKD
View
B+
Retailer 4
-
$6,992 USD
£5,505 GBP
View
B+
Retailer 5
-
$7,645 USD
View
B+
Retailer 6
-
$8,300 USD
View
B+
Retailer 7
-
$8,857 USD
€8,435 EUR
View
B+
Retailer 8
-
$9,980 USD
View
B+
Retailer 9
-
$11,138 USD
£8,770 GBP
View
Retailer 10
-
$14,520 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$17,875 USD
A$27,500 AUD
View
Most Expensive
B
Taylor and Hart
7C57YQD · Oct 31
$19,241 USD
View
11 more retailers have this diamond
Prices start from $3,765 USDSave up to $15,476 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
3.30ct Marquise
$3,765 USD