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Round|Lab Grown|IGI

3.09ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG743594170

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743594170

Diamond specifications and retailer prices

From $1,073 SGD
$839 USD
As of October 29, 2026
Save $11,801 SGD (92%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $12,873 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round 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 LG743594170 or 743594170. Listed at 28 retailers as of October 29, 2026, with prices from $1,073 to $12,873, a $11,801 spread on the same certified stone. Brilliant Earth lists it at $12,873. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743594170
Dimensions9.42 × 9.37 × 5.72 mm
L/W Ratio1.01
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
9.42 mm9.37 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743594170
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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: $12,873 SGD|Low: $1,073 SGD|High: $12,873 SGD|Avg: $4,038 SGD
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 3$1,073 SGD
Retailer 21$1,167 SGD
Retailer 7$1,244 SGD
Retailer 13$1,470 SGD
Retailer 6$1,642 SGD
Retailer 12$2,058 SGD
Retailer 15$2,090 SGD
Retailer 2$2,185 SGD
Retailer 16$2,849 SGD
Retailer 8$2,860 SGD
Retailer 20$3,098 SGD
Retailer 17$3,188 SGD
Retailer 4$3,859 SGD
Retailer 9$3,891 SGD
Retailer 10$4,094 SGD
Retailer 18$4,681 SGD
Retailer 14$6,545 SGD
Retailer 5$7,018 SGD
Retailer 11$9,524 SGD
Retailer 19$11,958 SGD
Brilliant Earth$12,873 SGD

34 data points across 21 retailers

28 retailers$1,073 SGD to $12,873 SGD

A
Cheapest Retailer
-
$1,073 SGD
$839 USD
A
Retailer 2
-
$1,167 SGD
$913 USD
View
A
Retailer 3
-
$1,244 SGD
$973 USD
View
A
Retailer 4
-
$1,356 SGD
$1,061 USD
View
Final sale: no returns
A
Retailer 5
-
$1,470 SGD
$1,150 USD
View
A
Retailer 6
-
$1,621 SGD
$1,268 USD
View
Retailer 7
-
$1,642 SGD
£1,011 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
$1,751 SGD
HK$10,700 HKD
View
A
Retailer 9
-
$2,058 SGD
$1,610 USD
View
A
Retailer 10
-
$2,090 SGD
£1,287 GBP
View
A
Retailer 11
-
$2,185 SGD
€1,628 EUR
View
A
Retailer 12
-
$2,369 SGD
$1,853 USD
View
A
Retailer 13
-
$2,849 SGD
A$3,428 AUD
View
A
Retailer 14
-
$2,860 SGD
$2,237 USD
View
Retailer 15
-
$3,098 SGD
A$3,728 AUD
View
Price last confirmed 9 days ago
A
Retailer 16
-
$3,188 SGD
ZAR 40,284 ZAR
View
A
Retailer 17
-
$3,511 SGD
$2,746 USD
View
B+
Retailer 18
-
$3,859 SGD
$3,019 USD
View
B+
Retailer 19
-
$3,891 SGD
$3,044 USD
View
B+
Retailer 20
-
$4,094 SGD
$3,203 USD
View
B+
Retailer 21
-
$4,681 SGD
£2,883 GBP
View
B+
Retailer 22
-
$4,893 SGD
$3,827 USD
View
B+
Retailer 23
-
$5,086 SGD
View
Retailer 24
-
$6,545 SGD
A$7,876 AUD
View
Price last confirmed 28 days ago
Retailer 25
-
$7,018 SGD
$5,490 USD
View
Price last confirmed 13 days ago
B
Retailer 26
-
$9,524 SGD
$7,450 USD
View
B
Retailer 27
-
$11,958 SGD
$9,354 USD
View
Most Expensive
B
Brilliant Earth
18652381Y · Oct 29
$12,873 SGD
$10,070 USD
View
27 more retailers have this diamond
Prices start from $1,073 SGDSave up to $11,801 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
$1,073 SGD