Radiant|Lab Grown|IGI

2.66ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG778667127

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG778667127

Diamond specifications and retailer prices

From $1,268 SGD

$992 USD

As of November 2, 2026

Save $5,392 SGD (81%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $6,660 SGD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 2.66ct lab-grown radiant diamond

This 2.66ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778667127 or 778667127. Listed at 27 retailers as of October 31, 2026, with prices from $1,268 to $6,660, a $5,392 spread on the same certified stone. Brilliant Earth lists it at $6,660. 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

2.66

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.6°

Pavilion angle34°

OriginLab Grown

Grading LabIGI

CertificateIGI LG778667127

Dimensions8.09 × 7.41 × 4.83 mm

L/W Ratio1.09

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 LG778667127

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: Nov 2

Current: $6,660 SGD|Low: $1,217 SGD|High: $6,660 SGD|Avg: $3,322 SGD

Brilliant Earth

Retailer 2

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November 2, 2026

Retailer 6$1,268 SGD

Retailer 5$1,379 SGD

Retailer 9$1,419 SGD

Retailer 12$1,470 SGD

Retailer 24$1,694 SGD

Retailer 4$1,702 SGD

Retailer 11$1,790 SGD

Retailer 3$2,103 SGD

Retailer 2$2,269 SGD

Retailer 20$2,340 SGD

Retailer 8$2,756 SGD

Retailer 22$2,814 SGD

Retailer 19$3,491 SGD

Retailer 15$3,591 SGD

Retailer 7$3,687 SGD

Retailer 23$3,794 SGD

Retailer 16$4,052 SGD

Retailer 18$4,559 SGD

Retailer 10$4,755 SGD

Retailer 14$4,930 SGD

Retailer 21$4,972 SGD

Retailer 13$4,988 SGD

Retailer 17$5,125 SGD

Brilliant Earth$6,660 SGD

33 data points across 24 retailers

27 retailers$1,268 SGD to $6,660 SGD

Cheapest Retailer

$1,268 SGD

$992 USD

Retailer 2

$1,379 SGD

$1,079 USD

View

Retailer 3

$1,419 SGD

$1,110 USD

View

Final sale: no returns

Retailer 4

$1,470 SGD

$1,150 USD

View

Retailer 5

$1,470 SGD

$1,150 USD

View

Price last confirmed 16 days ago

Retailer 6

$1,694 SGD

$1,325 USD

View

Retailer 7

$1,702 SGD

HK$10,400 HKD

View

Retailer 8

$1,790 SGD

$1,400 USD

View

Retailer 9

$2,103 SGD

$1,645 USD

View

Retailer 10

$2,269 SGD

£1,397 GBP

View

Retailer 11

$2,340 SGD

€1,743 EUR

View

Retailer 12

$2,756 SGD

$2,156 USD

View

Retailer 13

$2,814 SGD

$2,201 USD

View

Retailer 14

$2,890 SGD

$2,261 USD

View

Price last confirmed 7 days ago

B+

Retailer 15

$3,491 SGD

A$4,201 AUD

View

B+

Retailer 16

$3,591 SGD

$2,809 USD

View

B+

Retailer 17

$3,687 SGD

$2,884 USD

View

B+

Retailer 18

$3,794 SGD

ZAR 47,940 ZAR

View

B+

Retailer 19

$4,052 SGD

£2,496 GBP

View

B+

Retailer 20

$4,344 SGD

$3,398 USD

View

B+

Retailer 21

$4,559 SGD

$3,566 USD

View

B+

Retailer 22

$4,755 SGD

$3,720 USD

View

B+

Retailer 23

$4,930 SGD

View

B+

Retailer 24

$4,972 SGD

A$5,984 AUD

View

B+

Retailer 25

$4,988 SGD

£3,072 GBP

View

B+

Retailer 26

$5,125 SGD

$4,009 USD

View

Most Expensive

Brilliant Earth

18340359A · Oct 31

$6,660 SGD

$5,210 USD

View

26 more retailers have this diamond

Prices start from $1,268 SGDSave up to $5,392 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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