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Marquise|Lab Grown|IGI

3.34ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG771645349

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG771645349

Diamond specifications and retailer prices

From $6,587 USD
As of November 2, 2026
Save $18,043 USD (73%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $32,644 USD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 3.34ct lab-grown marquise diamond

This 3.34ct 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 LG771645349 or 771645349. Listed at 25 retailers as of November 1, 2026, with a 274% 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

3.34
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771645349
Dimensions15.44 × 7.98 × 4.84 mm
L/W Ratio1.93
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
15.44 mm7.98 mm3.34 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771645349
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.7%

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: Nov 2
Current: $32,644 USD|Low: $7,062 USD|High: $44,549 USD|Avg: $16,300 USD|-5.4%
Frank Darling
Retailer 2
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Retailer 21
November 2, 2026
Retailer 5$7,062 USD
Retailer 9$7,610 USD
Retailer 19$8,010 USD
Retailer 10$8,238 USD
Retailer 21$8,480 USD
Retailer 4$8,533 USD
Retailer 7$8,533 USD
Retailer 20$9,647 USD
Retailer 6$9,883 USD
Retailer 2$11,206 USD
Retailer 13$11,625 USD
Retailer 11$13,503 USD
Retailer 18$14,160 USD
Retailer 3$15,608 USD
Retailer 16$17,484 USD
Retailer 15$21,819 USD
Retailer 17$21,870 USD
Retailer 14$24,630 USD
Retailer 12$28,208 USD
Frank Darling$32,644 USD
Retailer 8$44,549 USD

39 data points across 21 retailers

25 retailers$6,587 USD to $24,630 USD

A
Cheapest Retailer
-
$6,587 USD
Retailer 2
-
$7,062 USD
View
Price last confirmed 31 days ago
B+
Retailer 3
-
$7,610 USD
View
Retailer 4
-
$7,650 USD
View
Price last confirmed 34 days ago
B+
Retailer 5
-
$8,010 USD
View
B+
Retailer 6
-
$8,238 USD
View
Final sale: no returns
B+
Retailer 7
-
$8,480 USD
View
Retailer 8
-
$8,533 USD
View
Price last confirmed 30 days ago
B+
Retailer 9
-
$9,647 USD
View
B+
Retailer 10
-
$9,883 USD
View
Retailer 11
-
$10,593 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$11,206 USD
£8,824 GBP
View
B+
Retailer 13
-
$11,625 USD
£9,154 GBP
View
B
Retailer 14
-
$13,503 USD
£10,632 GBP
View
B
Retailer 15
-
$14,160 USD
View
B
Retailer 16
-
$15,608 USD
View
B
Retailer 17
-
$17,484 USD
£13,767 GBP
View
B
Retailer 18
-
$21,819 USD
A$33,567 AUD
View
B
Retailer 19
-
$21,870 USD
ZAR 353,316 ZAR
View
B
Retailer 20
-
$24,630 USD
View
Retailer 21
-
$28,208 USD
View
Price under review
Retailer 22
-
$30,455 USD
View
Price under review
Most Expensive
Frank Darling
VD_3415EC · Nov 2
$32,644 USD
View
Price under review
22 more retailers have this diamond
Prices start from $6,587 USDSave up to $18,043 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
3.34ct Marquise
$6,587 USD