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Radiant|Lab Grown|IGI

3.12ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG605367011

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

Certificate IGI LG605367011

Diamond specifications and retailer prices

From $4,760 SGD
$3,714 USD
As of October 27, 2026
Save $14,745 SGD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,506 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant 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 LG605367011 or 605367011. Listed at 22 retailers as of October 27, 2026, with prices from $4,760 to $19,506, a $14,745 spread on the same certified stone. Taylor and Hart lists it at $19,506. 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

3.12
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605367011
Dimensions10.05 × 7.10 × 4.87 mm
L/W Ratio1.42
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
10.05 mm7.10 mm3.12 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605367011
Side View
Table 65.0%Crown 46.4°Girdle: MED-STKPavilion 30.6°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
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 27
Current: $6,096 SGD|Low: $4,571 SGD|High: $16,080 SGD|Avg: $8,832 SGD|-0.9%
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
October 30, 2026
Retailer 16$4,760 SGD
Retailer 7$5,331 SGD
Retailer 4$5,523 SGD
Retailer 5$5,716 SGD
Retailer 1$6,096 SGD
Retailer 15$6,660 SGD
Retailer 6$6,901 SGD
Retailer 9$7,223 SGD
Retailer 12$7,982 SGD
Retailer 13$9,287 SGD
Retailer 2$10,010 SGD
Retailer 11$11,892 SGD
Retailer 14$12,636 SGD
Retailer 10$12,821 SGD
Retailer 3$13,904 SGD
Retailer 8$16,080 SGD

34 data points across 16 retailers

22 retailers$4,760 SGD to $19,506 SGD

A
Cheapest Retailer
-
$4,760 SGD
$3,714 USD
B+
Retailer 2
-
$5,150 SGD
$4,018 USD
View
B+
Retailer 3
-
$5,179 SGD
$4,041 USD
View
B+
Retailer 4
-
$5,306 SGD
$4,140 USD
View
B+
Retailer 5
-
$5,331 SGD
$4,159 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,523 SGD
$4,309 USD
View
Retailer 7
-
$5,523 SGD
$4,309 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$5,716 SGD
$4,460 USD
View
B+
Retailer 9
-
$6,096 SGD
£3,745 GBP
View
B+
Retailer 10
-
$6,660 SGD
$5,196 USD
View
B+
Retailer 11
-
$6,901 SGD
$5,384 USD
View
B+
Retailer 12
-
$7,223 SGD
£4,437 GBP
View
B+
Retailer 13
-
$7,982 SGD
$6,228 USD
View
B
Retailer 14
-
$8,477 SGD
£5,208 GBP
View
B+
Retailer 15
-
$9,287 SGD
€6,901 EUR
View
B
Retailer 16
-
$10,010 SGD
$7,810 USD
View
B
Retailer 17
-
$11,892 SGD
£7,306 GBP
View
Retailer 18
-
$12,636 SGD
A$15,167 AUD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$12,821 SGD
ZAR 161,603 ZAR
View
B
Retailer 20
-
$13,904 SGD
$10,848 USD
View
B
Retailer 21
-
$16,080 SGD
$12,546 USD
View
Most Expensive
B
Taylor and Hart
ES467IL · Oct 30
$19,506 SGD
$15,219 USD
View
21 more retailers have this diamond
Prices start from $4,760 SGDSave up to $14,745 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
3.12ct Radiant
$4,760 SGD