Marquise|Lab Grown|IGI

1.79ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG843670848

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843670848

Diamond specifications and retailer prices

From $709 USD
As of October 30, 2026
Save $5,581 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,290 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.79ct lab-grown marquise diamond

This 1.79ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843670848 or 843670848. Listed at 19 retailers as of October 30, 2026, with prices from $709 to $6,290, a $5,581 spread on the same certified stone. Do Amore Diamonds lists it at $6,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.79
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670848
Dimensions12.15 × 6.27 × 3.98 mm
L/W Ratio1.94
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
12.15 mm6.27 mm1.79 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670848
Side View
Table 61.0%Crown 35.9°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 63.5%

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: $6,290 USD|Low: $709 USD|High: $6,420 USD|Avg: $2,271 USD|+31.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 19$709 USD
Retailer 7$771 USD
Retailer 4$983 USD
Retailer 17$1,015 USD
Retailer 15$1,029 USD
Retailer 10$1,192 USD
Retailer 3$1,335 USD
Retailer 18$1,474 USD
Retailer 5$2,025 USD
Retailer 16$2,255 USD
Retailer 13$2,259 USD
Retailer 12$2,378 USD
Retailer 8$2,413 USD
Retailer 6$2,551 USD
Retailer 11$2,617 USD
Retailer 20$3,406 USD
Retailer 9$3,447 USD
Retailer 14$3,940 USD
Retailer 2$4,440 USD
Do Amore Diamonds$6,290 USD

18 data points across 20 retailers

19 retailers$709 USD to $6,290 USD

A
Cheapest Retailer
-
$709 USD
A
Retailer 2
-
$771 USD
View
A
Retailer 3
-
$983 USD
View
A
Retailer 4
-
$1,015 USD
View
A
Retailer 5
-
$1,029 USD
£810 GBP
View
A
Retailer 6
-
$1,192 USD
View
A
Retailer 7
-
$1,335 USD
View
A
Retailer 8
-
$1,474 USD
€1,404 EUR
View
B+
Retailer 9
-
$2,025 USD
View
B+
Retailer 10
-
$2,255 USD
View
B+
Retailer 11
-
$2,259 USD
A$3,476 AUD
View
Retailer 12
-
$2,378 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
$2,413 USD
View
B+
Retailer 14
-
$2,551 USD
View
B
Retailer 15
-
$3,406 USD
£2,682 GBP
View
B
Retailer 16
-
$3,447 USD
View
B
Retailer 17
-
$3,940 USD
View
B
Retailer 18
-
$4,440 USD
A$6,831 AUD
View
Most Expensive
B
Do Amore Diamonds
27-DF1D1D5D0 · Oct 31
$6,290 USD
View
18 more retailers have this diamond
Prices start from $709 USDSave up to $5,581 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
1.79ct Marquise
$709 USD