CaratHunter
Plans
Marquise|Lab Grown|IGI

1.75ct D FL Marquise Lab Grown Diamond

VG • D/FL • IGI LG780665331

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780665331

Diamond specifications and retailer prices

From $887 USD
As of October 30, 2026
Save $6,983 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,870 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.75ct lab-grown marquise diamond

This 1.75ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG780665331 or 780665331. Listed at 15 retailers as of October 30, 2026, with prices from $887 to $7,870, a $6,983 spread on the same certified stone. Do Amore Diamonds lists it at $7,870. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.75
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665331
Dimensions12.15 × 6.17 × 4.03 mm
L/W Ratio1.97
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
12.15 mm6.17 mm1.75 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665331
Side View
Table 59.0%Crown 36.3°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,870 USD|Low: $887 USD|High: $9,110 USD|Avg: $2,855 USD|-13.6%
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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 11$887 USD
Retailer 16$965 USD
Retailer 7$1,148 USD
Retailer 13$1,161 USD
Retailer 6$1,194 USD
Retailer 4$1,195 USD
Retailer 12$1,651 USD
Retailer 9$1,918 USD
Retailer 15$2,128 USD
Retailer 14$2,289 USD
Retailer 5$2,575 USD
Retailer 3$2,961 USD
Retailer 10$3,871 USD
Retailer 2$3,950 USD
Retailer 8$5,324 USD
Do Amore Diamonds$7,870 USD

32 data points across 16 retailers

15 retailers$887 USD to $7,870 USD

A
Cheapest Retailer
-
$887 USD
A
Retailer 2
-
$965 USD
View
A
Retailer 3
-
$1,148 USD
View
Final sale: no returns
A
Retailer 4
-
$1,161 USD
View
A
Retailer 5
-
$1,194 USD
View
A
Retailer 6
-
$1,195 USD
View
A
Retailer 7
-
$1,651 USD
View
B+
Retailer 8
-
$1,918 USD
€1,827 EUR
View
B+
Retailer 9
-
$2,128 USD
View
B+
Retailer 10
-
$2,289 USD
View
B+
Retailer 11
-
$2,575 USD
View
B+
Retailer 12
-
$2,961 USD
View
B
Retailer 13
-
$3,871 USD
£3,048 GBP
View
B
Retailer 14
-
$3,950 USD
View
Most Expensive
B
Do Amore Diamonds
27-372F905BA · Nov 1
$7,870 USD
View
14 more retailers have this diamond
Prices start from $887 USDSave up to $6,983 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
1.75ct Marquise
$887 USD