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Round|Lab Grown|IGI

4.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG737568627

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737568627

Diamond specifications and retailer prices

From $2,622 SGD
£1,615 GBP
As of October 30, 2026
Save $14,758 SGD (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $17,380 SGD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4.26ct lab-grown round diamond

This 4.26ct 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 LG737568627 or 737568627. Listed at 26 retailers as of October 30, 2026, with prices from $2,622 to $17,380, a $14,758 spread on the same certified stone. Blue Nile lists it at $17,380. 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

4.26
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737568627
Dimensions10.38 × 10.30 × 6.44 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
10.38 mm10.30 mm4.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737568627
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $5,363 SGD|Low: $2,613 SGD|High: $30,746 SGD|Avg: $7,190 SGD|+0.3%
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 31, 2026
Retailer 11$2,622 SGD
Retailer 2$2,913 SGD
Retailer 16$3,170 SGD
Retailer 13$3,262 SGD
Retailer 4$3,380 SGD
Retailer 9$4,635 SGD
Retailer 3$4,646 SGD
Retailer 6$4,903 SGD
Retailer 7$5,075 SGD
Retailer 5$5,180 SGD
Retailer 1$5,363 SGD
Retailer 12$7,195 SGD
Retailer 15$7,253 SGD
Retailer 14$9,220 SGD
Retailer 8$14,186 SGD
Retailer 10$17,220 SGD

30 data points across 16 retailers

26 retailers$2,622 SGD to $17,380 SGD

A+
Cheapest Retailer
-
$2,622 SGD
£1,615 GBP
A
Retailer 2
-
$2,913 SGD
$2,279 USD
View
A
Retailer 3
-
$3,170 SGD
$2,480 USD
View
A
Retailer 4
-
$3,262 SGD
$2,552 USD
View
Final sale: no returns
A
Retailer 5
-
$3,380 SGD
$2,644 USD
View
A
Retailer 6
-
$3,573 SGD
$2,795 USD
View
A
Retailer 7
-
$4,107 SGD
HK$25,100 HKD
View
A
Retailer 8
-
$4,635 SGD
£2,855 GBP
View
A
Retailer 9
-
$4,646 SGD
$3,634 USD
View
A
Retailer 10
-
$4,903 SGD
$3,835 USD
View
A
Retailer 11
-
$5,075 SGD
$3,970 USD
View
A
Retailer 12
-
$5,180 SGD
$4,052 USD
View
A
Retailer 13
-
$5,363 SGD
€3,995 EUR
View
A
Retailer 14
-
$6,287 SGD
$4,918 USD
View
A
Retailer 15
-
$7,195 SGD
ZAR 90,921 ZAR
View
Retailer 16
-
$7,253 SGD
A$8,729 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$8,818 SGD
$6,898 USD
View
B+
Retailer 18
-
$9,026 SGD
$7,060 USD
View
B+
Retailer 19
-
$9,220 SGD
£5,679 GBP
View
B+
Retailer 20
-
$9,543 SGD
$7,465 USD
View
B+
Retailer 21
-
$11,808 SGD
$9,236 USD
View
B+
Retailer 22
-
$11,890 SGD
View
Retailer 23
-
$14,186 SGD
A$17,072 AUD
View
Price last confirmed 26 days ago
B
Retailer 24
-
$17,220 SGD
$13,470 USD
View
B
Retailer 25
-
$17,363 SGD
$13,582 USD
View
Most Expensive
B
Blue Nile
27482224 · Oct 31
$17,380 SGD
$13,595 USD
View
25 more retailers have this diamond
Prices start from $2,622 SGDSave up to $14,758 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+
4.26ct Round
$2,622 SGD