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Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG768630291

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630291

Diamond specifications and retailer prices

From $3,494 SGD
$2,732 USD
As of November 2, 2026
Save $13,665 SGD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,159 SGD at Taylor and Hart · As of October 31, 2026
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 14 retailers as of October 31, 2026, with prices from $3,494 to $17,159, a $13,665 spread on the same certified stone. Taylor and Hart lists it at $17,159. 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
Colour
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,523 SGD|Low: $3,494 SGD|High: $14,164 SGD|Avg: $9,045 SGD|-0.3%
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
November 2, 2026
Retailer 4$3,494 SGD
Retailer 3$4,383 SGD
Retailer 11$5,947 SGD
Retailer 1$6,523 SGD
Retailer 12$7,430 SGD
Retailer 9$7,908 SGD
Retailer 10$8,415 SGD
Retailer 2$10,349 SGD
Retailer 13$11,199 SGD
Retailer 6$12,412 SGD
Retailer 8$12,633 SGD
Retailer 5$12,965 SGD
Retailer 7$13,963 SGD

43 data points across 13 retailers

14 retailers$3,494 SGD to $17,159 SGD

A
Cheapest Retailer
-
$3,494 SGD
$2,732 USD
A
Retailer 2
-
$4,383 SGD
$3,427 USD
View
B+
Retailer 3
-
$5,947 SGD
$4,650 USD
View
B+
Retailer 4
-
$6,122 SGD
HK$37,400 HKD
View
B+
Retailer 5
-
$6,523 SGD
£4,016 GBP
View
B+
Retailer 6
-
$7,430 SGD
$5,810 USD
View
B+
Retailer 7
-
$7,908 SGD
€5,889 EUR
View
B+
Retailer 8
-
$8,415 SGD
$6,580 USD
View
B
Retailer 9
-
$11,199 SGD
$8,757 USD
View
B
Retailer 10
-
$12,412 SGD
£7,642 GBP
View
B
Retailer 11
-
$12,633 SGD
ZAR 159,574 ZAR
View
Retailer 12
-
$12,965 SGD
$10,138 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$13,963 SGD
A$16,797 AUD
View
Most Expensive
B
Taylor and Hart
9517ATH · Oct 31
$17,159 SGD
$13,417 USD
View
13 more retailers have this diamond
Prices start from $3,494 SGDSave up to $13,665 SGD

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
2.56ct Marquise
$3,494 SGD