Marquise|Lab Grown|IGI

2.55ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG818684293

Certificate IGI LG818684293

Diamond specifications and retailer prices

From $3,452 USD
Save $11,461 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,913 USD at With Clarity
View at With Clarity

About this 2.55ct lab-grown marquise diamond

This 2.55ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818684293 or 818684293. Listed at 11 retailers, with prices from $3,452 to $14,913 at With Clarity, a $11,461 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.55
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818684293
Dimensions13.83 × 7.12 × 4.52 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
13.83 mm7.12 mm2.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818684293
Side View
Table 60.0%Crown 36.9°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $6,076 USD|Low: $3,452 USD|High: $14,913 USD|Avg: $8,777 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 1, 2026
Retailer 2$3,452 USD
Retailer 9$4,640 USD
Retailer 4$4,710 USD
Retailer 5$5,190 USD
Retailer 1$6,076 USD
Retailer 6$9,787 USD
Retailer 7$10,098 USD
Retailer 3$10,982 USD
Retailer 8$13,364 USD
With Clarity$14,913 USD

4 data points across 10 retailers

11 retailers$3,452 USD to $14,913 USD

B+
Cheapest Retailer
-
$3,452 USD
B
Retailer 2
-
$4,640 USD
View
B
Retailer 3
-
$4,710 USD
HK$36,800 HKD
View
B
Retailer 4
-
$5,202 USD
£4,096 GBP
View
B
Retailer 5
-
$6,076 USD
€5,787 EUR
View
B
Retailer 6
-
$7,510 USD
View
C
Retailer 7
-
$9,787 USD
£7,706 GBP
View
C
Retailer 8
-
$10,098 USD
View
C
Retailer 9
-
$10,982 USD
A$16,896 AUD
View
C
Retailer 10
-
$13,364 USD
View
Most Expensive
C
With Clarity
818684293 · Sep 30
$14,913 USD
View
10 more retailers have this diamond
Prices start from $3,452 USDSave up to $11,461 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.

B+
2.55ct Marquise
$3,452 USD