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Marquise|Lab Grown|IGI

1.35ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG800685268

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800685268

Diamond specifications and retailer prices

From $446 USD
£351 GBP
As of November 2, 2026
Save $2,364 USD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,810 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown marquise diamond

This 1.35ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800685268 or 800685268. Listed at 11 retailers as of November 2, 2026, with prices from $446 to $2,810, a $2,364 spread on the same certified stone. Do Amore Diamonds lists it at $2,810. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685268
Dimensions11.60 × 5.74 × 3.60 mm
L/W Ratio2.02
Girdle conditionFaceted
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
11.60 mm5.74 mm1.35 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685268
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

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: Nov 2
Current: $2,810 USD|Low: $287 USD|High: $3,180 USD|Avg: $1,132 USD|-11.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 4$287 USD
Retailer 5$446 USD
Retailer 7$553 USD
Retailer 12$625 USD
Retailer 8$637 USD
Retailer 9$763 USD
Retailer 11$786 USD
Retailer 3$824 USD
Retailer 6$1,150 USD
Retailer 2$1,690 USD
Retailer 10$2,325 USD
Do Amore Diamonds$2,810 USD

29 data points across 12 retailers

11 retailers$446 USD to $2,810 USD

A
Cheapest Retailer
-
$446 USD
£351 GBP
A
Retailer 2
-
$553 USD
View
A
Retailer 3
-
$625 USD
View
A
Retailer 4
-
$637 USD
View
A
Retailer 5
-
$763 USD
View
A
Retailer 6
-
$786 USD
€749 EUR
View
A
Retailer 7
-
$824 USD
A$1,268 AUD
View
B+
Retailer 8
-
$1,150 USD
View
B+
Retailer 9
-
$1,690 USD
£1,331 GBP
View
B+
Retailer 10
-
$2,325 USD
View
Most Expensive
B
Do Amore Diamonds
27-56CBFEFA2 · Nov 2
$2,810 USD
View
10 more retailers have this diamond
Prices start from $446 USDSave up to $2,364 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
1.35ct Marquise
$446 USD