Marquise|Lab Grown|IGI

3.17ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG766601599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766601599

Diamond specifications and retailer prices

From $5,124 SGD

$4,008 USD

As of October 31, 2026

Save $6,331 SGD (55%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $17,088 SGD at Taylor and Hart · As of October 14, 2026

View at Taylor and Hart

About this 3.17ct lab-grown marquise diamond

This 3.17ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG766601599 or 766601599. Listed at 19 retailers as of October 31, 2026, with a 124% 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

3.17

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.3°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG766601599

Dimensions15.11 × 7.64 × 4.89 mm

L/W Ratio1.98

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG766601599

Side View

Caratlytics Score

How it works →

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 31

Current: $11,454 SGD|Low: $3,492 SGD|High: $17,088 SGD|Avg: $9,020 SGD|-28.8%

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

October 30, 2026

Retailer 9$3,492 SGD

Retailer 6$4,708 SGD

Retailer 17$4,742 SGD

Retailer 5$4,909 SGD

Retailer 15$5,075 SGD

Retailer 11$5,124 SGD

Retailer 10$6,372 SGD

Retailer 12$6,641 SGD

Retailer 4$7,442 SGD

Retailer 2$7,573 SGD

Retailer 7$9,729 SGD

Retailer 13$11,219 SGD

Retailer 1$11,454 SGD

Retailer 8$12,095 SGD

Retailer 16$12,201 SGD

Retailer 14$12,497 SGD

Retailer 3$14,194 SGD

Taylor and Hart$17,088 SGD

33 data points across 18 retailers

19 retailers$5,124 SGD to $11,454 SGD

Retailer 1

$4,206 SGD

$3,290 USD

Price last confirmed 24 days ago

Retailer 2

$4,575 SGD

$3,579 USD

View

Price last confirmed 17 days ago

Retailer 3

$4,878 SGD

$3,816 USD

View

Price last confirmed 20 days ago

Retailer 4

$4,878 SGD

$3,816 USD

View

Price last confirmed 24 days ago

Retailer 5

$5,124 SGD

$4,008 USD

View

Retailer 6

$5,225 SGD

$4,087 USD

View

Price last confirmed 37 days ago

Retailer 7

$6,095 SGD

$4,768 USD

View

Price last confirmed 24 days ago

Retailer 8

$6,372 SGD

€4,747 EUR

View

Retailer 9

$6,641 SGD

£4,091 GBP

View

Price last confirmed 17 days ago

Retailer 10

$7,442 SGD

£4,584 GBP

View

Price last confirmed 18 days ago

Retailer 11

$7,573 SGD

$5,924 USD

View

Price last confirmed 18 days ago

Retailer 12

$9,729 SGD

$7,610 USD

View

Price last confirmed 25 days ago

Retailer 13

$11,219 SGD

ZAR 141,778 ZAR

View

Price last confirmed 17 days ago

B+

Retailer 14

$11,454 SGD

$8,960 USD

View

Retailer 15

$12,095 SGD

A$14,556 AUD

View

Price last confirmed 33 days ago

Retailer 16

$12,201 SGD

$9,544 USD

View

Price last confirmed 17 days ago

Retailer 17

$12,497 SGD

£7,697 GBP

View

Price last confirmed 17 days ago

Retailer 18

$14,194 SGD

$11,103 USD

View

Price last confirmed 18 days ago

Most Expensive

Taylor and Hart

I4A2MOO · Oct 14

$17,088 SGD

$13,367 USD

View

Price last confirmed 18 days ago

18 more retailers have this diamond

Prices start from $5,124 SGDSave up to $6,331 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.

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