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Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG768630291

Certificate IGI LG768630291

Diamond specifications and retailer prices

From $2,732 USD
Save $10,685 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,417 USD at Taylor and Hart
View at Taylor and Hart

About this 2.56ct lab-grown marquise diamond

This 2.56ct 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 LG768630291 or 768630291. Listed at 15 retailers, with prices from $2,732 to $13,417 at Taylor and Hart, a $10,685 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

2.56
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630291
Dimensions13.85 × 7.08 × 4.51 mm
L/W Ratio1.96
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
13.85 mm7.08 mm2.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630291
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.7%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $6,101 USD|Low: $2,511 USD|High: $18,943 USD|Avg: $7,870 USD|+0.5%
Retailer 1
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
Taylor and Hart
October 1, 2026
Retailer 7$2,511 USD
Retailer 2$2,732 USD
Retailer 15$3,427 USD
Retailer 6$4,658 USD
Retailer 13$4,745 USD
Retailer 5$4,787 USD
Retailer 10$5,211 USD
Retailer 1$6,101 USD
Retailer 4$7,290 USD
Retailer 14$8,092 USD
Retailer 16$9,423 USD
Retailer 11$9,698 USD
Retailer 12$9,823 USD
Retailer 3$10,138 USD
Retailer 9$11,025 USD
Taylor and Hart$13,417 USD
Retailer 8$18,943 USD

34 data points across 17 retailers

15 retailers$2,732 USD to $13,417 USD

A
Cheapest Retailer
-
$2,732 USD
A
Retailer 2
-
$3,427 USD
View
B+
Retailer 3
-
$4,658 USD
View
B+
Retailer 4
-
$4,745 USD
View
B+
Retailer 5
-
$4,787 USD
HK$37,400 HKD
View
B+
Retailer 6
-
$5,222 USD
£4,112 GBP
View
B+
Retailer 7
-
$6,101 USD
€5,810 EUR
View
B
Retailer 8
-
$7,290 USD
View
B
Retailer 9
-
$8,092 USD
View
B
Retailer 10
-
$9,423 USD
View
B
Retailer 11
-
$9,698 USD
ZAR 156,674 ZAR
View
B
Retailer 12
-
$9,823 USD
£7,735 GBP
View
B
Retailer 13
-
$10,138 USD
View
B
Retailer 14
-
$11,025 USD
A$16,962 AUD
View
Most Expensive
B
Taylor and Hart
9517ATH · Oct 1
$13,417 USD
View
14 more retailers have this diamond
Prices start from $2,732 USDSave up to $10,685 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.

A
2.56ct Marquise
$2,732 USD