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Marquise|Lab Grown|IGI

0.68ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG660435735

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG660435735

Diamond specifications and retailer prices

From $186 USD
As of November 2, 2026
Save $2,224 USD (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,410 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.68ct lab-grown marquise diamond

This 0.68ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG660435735 or 660435735. Listed at 22 retailers as of November 2, 2026, with prices from $186 to $2,410, a $2,224 spread on the same certified stone. Do Amore Diamonds lists it at $2,410. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.68
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660435735
Dimensions8.90 × 4.71 × 2.87 mm
L/W Ratio1.89
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
8.90 mm4.71 mm0.68 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660435735
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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: $462 USD|Low: $181 USD|High: $1,530 USD|Avg: $751 USD|+2.3%
Retailer 1
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Retailer 21
November 1, 2026
Retailer 8$186 USD
Retailer 4$207 USD
Retailer 20$215 USD
Retailer 15$230 USD
Retailer 14$347 USD
Retailer 1$462 USD
Retailer 21$470 USD
Retailer 7$531 USD
Retailer 3$648 USD
Retailer 6$653 USD
Retailer 13$710 USD
Retailer 18$816 USD
Retailer 17$958 USD
Retailer 5$989 USD
Retailer 10$991 USD
Retailer 9$1,039 USD
Retailer 2$1,149 USD
Retailer 12$1,187 USD
Retailer 11$1,195 USD
Retailer 16$1,480 USD
Retailer 19$1,480 USD

37 data points across 21 retailers

22 retailers$186 USD to $2,410 USD

A
Cheapest Retailer
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$186 USD
A
Retailer 2
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$207 USD
View
Final sale: no returns
A
Retailer 3
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$215 USD
View
A
Retailer 4
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$230 USD
View
A
Retailer 5
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$347 USD
View
A
Retailer 6
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$432 USD
View
A
Retailer 7
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$462 USD
ZAR 7,456 ZAR
View
A
Retailer 8
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$470 USD
View
A
Retailer 9
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$531 USD
View
B+
Retailer 10
-
$648 USD
A$997 AUD
View
Retailer 11
-
$653 USD
€622 EUR
View
Price last confirmed 7 days ago
B+
Retailer 12
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$710 USD
View
B+
Retailer 13
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$816 USD
View
B+
Retailer 14
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$958 USD
A$1,474 AUD
View
B+
Retailer 15
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$989 USD
View
Retailer 16
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$991 USD
£780 GBP
View
Price last confirmed 13 days ago
B
Retailer 17
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$1,039 USD
CA$1,443 CAD
View
B+
Retailer 18
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$1,149 USD
View
B
Retailer 19
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$1,187 USD
£935 GBP
View
B
Retailer 20
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$1,480 USD
View
B
Retailer 21
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$1,480 USD
View
Most Expensive
B
Do Amore Diamonds
32-LG660435735 · Nov 2
$2,410 USD
View
21 more retailers have this diamond
Prices start from $186 USDSave up to $2,224 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
0.68ct Marquise
$186 USD