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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815611619

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815611619

Diamond specifications and retailer prices

From $1,341 SGD
$1,046 USD
As of October 29, 2026
Save $2,652 SGD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,357 SGD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815611619 or 815611619. Listed at 7 retailers as of October 25, 2026, with a 198% 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

3.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611619
Dimensions9.36 × 9.39 × 5.77 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.36 mm9.39 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611619
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.6%

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: Oct 29
Current: $7,357 SGD|Low: $1,341 SGD|High: $7,357 SGD|Avg: $2,845 SGD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$1,341 SGD
Retailer 4$1,387 SGD
Retailer 2$1,507 SGD
Retailer 5$2,717 SGD
Retailer 7$3,267 SGD
Retailer 3$3,993 SGD
Rare Carat$7,357 SGD

20 data points across 7 retailers

7 retailers$1,341 SGD to $3,993 SGD

A
Cheapest Retailer
-
$1,341 SGD
$1,046 USD
A
Retailer 2
-
$1,387 SGD
$1,082 USD
View
A
Retailer 3
-
$1,507 SGD
£926 GBP
View
A
Retailer 4
-
$2,717 SGD
$2,120 USD
View
A
Retailer 5
-
$3,267 SGD
$2,549 USD
View
B+
Retailer 6
-
$3,993 SGD
£2,453 GBP
View
Most Expensive
Rare Carat
KK460_l_815611619 · Oct 21
$7,357 SGD
$5,740 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from $1,341 SGDSave up to $2,652 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
3.09ct Round
$1,341 SGD