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Marquise|Lab Grown|IGI

1.75ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG800679507

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679507

Diamond specifications and retailer prices

From $1,382 USD
HK$10,800 HKD
As of November 1, 2026
Save $2,940 USD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,322 USD at With Clarity · As of October 31, 2026
View at With Clarity

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 top-tier cut grade and certified by IGI LG800679507 or 800679507. Listed at 11 retailers as of October 31, 2026, with prices from $1,382 to $4,322, a $2,940 spread on the same certified stone. With Clarity lists it at $4,322. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679507
Dimensions12.32 × 6.29 × 3.91 mm
L/W Ratio1.96
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
12.32 mm6.29 mm1.75 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679507
Side View
Table 60.0%Crown 35.5°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.2%

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: Nov 1
Current: $3,847 USD|Low: $1,382 USD|High: $5,230 USD|Avg: $2,734 USD|-21.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 10$1,382 USD
Retailer 8$1,545 USD
Retailer 9$1,712 USD
Retailer 3$1,749 USD
Retailer 5$1,824 USD
Retailer 6$2,163 USD
Retailer 7$2,926 USD
Retailer 1$3,847 USD
Retailer 2$3,951 USD
Retailer 4$4,040 USD
With Clarity$4,322 USD

41 data points across 11 retailers

11 retailers$1,382 USD to $4,322 USD

A
Cheapest Retailer
-
$1,382 USD
HK$10,800 HKD
A
Retailer 2
-
$1,545 USD
View
A
Retailer 3
-
$1,712 USD
View
A
Retailer 4
-
$1,749 USD
£1,377 GBP
View
A
Retailer 5
-
$1,824 USD
€1,737 EUR
View
B+
Retailer 6
-
$2,163 USD
A$3,328 AUD
View
Retailer 7
-
$2,926 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$3,847 USD
£3,029 GBP
View
B
Retailer 9
-
$3,951 USD
View
B
Retailer 10
-
$4,040 USD
View
Most Expensive
B
With Clarity
800679507 · Oct 31
$4,322 USD
View
10 more retailers have this diamond
Prices start from $1,382 USDSave up to $2,940 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
$1,382 USD