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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815677230

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815677230

Diamond specifications and retailer prices

From $973 SGD
$759 USD
As of October 29, 2026
Save $10,178 SGD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $11,151 SGD at Brilliant Earth · As of October 28, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815677230 or 815677230. Listed at 24 retailers as of October 28, 2026, with prices from $973 to $11,151, a $10,178 spread on the same certified stone. Brilliant Earth lists it at $11,151. 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 angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677230
Dimensions9.39 × 9.35 × 5.75 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
9.39 mm9.35 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677230
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

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: $11,151 SGD|Low: $973 SGD|High: $12,010 SGD|Avg: $3,288 SGD|-7.2%
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
October 30, 2026
Retailer 16$973 SGD
Retailer 4$1,519 SGD
Retailer 13$1,564 SGD
Retailer 2$1,610 SGD
Retailer 10$1,642 SGD
Retailer 11$2,343 SGD
Retailer 7$2,347 SGD
Retailer 3$2,559 SGD
Retailer 6$2,562 SGD
Retailer 14$2,736 SGD
Retailer 15$3,263 SGD
Retailer 5$3,480 SGD
Retailer 12$3,487 SGD
Retailer 9$4,273 SGD
Retailer 8$7,395 SGD
Brilliant Earth$11,151 SGD

35 data points across 16 retailers

24 retailers$973 SGD to $11,151 SGD

Retailer 1
-
$897 SGD
$700 USD
Price last confirmed 19 days ago
Retailer 2
-
$924 SGD
$721 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$973 SGD
$759 USD
View
Final sale: no returns
Retailer 4
-
$1,005 SGD
$784 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$1,041 SGD
$812 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$1,041 SGD
$812 USD
View
Price last confirmed 28 days ago
Retailer 7
-
$1,056 SGD
$824 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$1,519 SGD
$1,185 USD
View
A
Retailer 9
-
$1,564 SGD
$1,220 USD
View
A
Retailer 10
-
$1,610 SGD
£989 GBP
View
A
Retailer 11
-
$1,642 SGD
€1,220 EUR
View
A
Retailer 12
-
$2,343 SGD
ZAR 29,527 ZAR
View
Retailer 13
-
$2,347 SGD
A$2,817 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$2,559 SGD
$1,996 USD
View
A
Retailer 15
-
$2,562 SGD
$1,999 USD
View
A
Retailer 16
-
$2,736 SGD
$2,135 USD
View
Retailer 17
-
$2,925 SGD
$2,282 USD
View
Price last confirmed 22 days ago
Retailer 18
-
$3,012 SGD
$2,350 USD
View
Price last confirmed 39 days ago
A
Retailer 19
-
$3,263 SGD
$2,546 USD
View
A
Retailer 20
-
$3,480 SGD
$2,715 USD
View
A
Retailer 21
-
$3,487 SGD
$2,721 USD
View
B+
Retailer 22
-
$4,273 SGD
£2,625 GBP
View
Retailer 23
-
$7,395 SGD
$5,770 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21016998A · Oct 28
$11,151 SGD
$8,700 USD
View
23 more retailers have this diamond
Prices start from $973 SGDSave up to $10,178 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
$973 SGD