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Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG771601086

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG771601086

Diamond specifications and retailer prices

From $5,227 SGD
$4,089 USD
As of November 2, 2026
Save $14,243 SGD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $26,732 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 LG771601086 or 771601086. Listed at 18 retailers as of November 1, 2026, with a 272% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771601086
Dimensions13.91 × 7.32 × 4.46 mm
L/W Ratio1.90
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
13.91 mm7.32 mm2.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771601086
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.7%

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: $9,523 SGD|Low: $5,227 SGD|High: $40,001 SGD|Avg: $15,832 SGD|+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
Retailer 17
Taylor and Hart
November 2, 2026
Retailer 7$5,227 SGD
Retailer 4$6,511 SGD
Retailer 6$6,795 SGD
Retailer 12$7,044 SGD
Retailer 17$8,614 SGD
Retailer 1$9,523 SGD
Retailer 15$9,700 SGD
Retailer 5$10,540 SGD
Retailer 2$12,687 SGD
Retailer 13$12,797 SGD
Retailer 10$15,150 SGD
Retailer 16$19,080 SGD
Retailer 11$19,206 SGD
Retailer 9$19,471 SGD
Retailer 3$24,260 SGD
Retailer 14$25,282 SGD
Taylor and Hart$26,732 SGD
Retailer 8$40,001 SGD

26 data points across 18 retailers

18 retailers$5,227 SGD to $19,471 SGD

A
Cheapest Retailer
-
$5,227 SGD
$4,089 USD
B+
Retailer 2
-
$6,511 SGD
$5,093 USD
View
Final sale: no returns
B+
Retailer 3
-
$6,795 SGD
$5,315 USD
View
B+
Retailer 4
-
$7,044 SGD
$5,510 USD
View
B+
Retailer 5
-
$8,614 SGD
$6,738 USD
View
B+
Retailer 6
-
$9,523 SGD
£5,866 GBP
View
B+
Retailer 7
-
$9,700 SGD
$7,588 USD
View
B
Retailer 8
-
$10,540 SGD
£6,492 GBP
View
B
Retailer 9
-
$12,687 SGD
$9,924 USD
View
B
Retailer 10
-
$12,797 SGD
$10,010 USD
View
B
Retailer 11
-
$15,150 SGD
£9,331 GBP
View
Retailer 12
-
$19,080 SGD
$14,925 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$19,206 SGD
ZAR 242,705 ZAR
View
B
Retailer 14
-
$19,471 SGD
$15,231 USD
View
Retailer 15
-
$24,260 SGD
$18,977 USD
View
Price under review
Retailer 16
-
$25,282 SGD
$19,776 USD
View
Price under review
Most Expensive
Taylor and Hart
JEUINXG · Oct 31
$26,732 SGD
$20,911 USD
View
Price under review
16 more retailers have this diamond
Prices start from $5,227 SGDSave up to $14,243 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
$5,227 SGD