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Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG832602921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG832602921

Diamond specifications and retailer prices

From $4,516 SGD
HK$27,600 HKD
As of October 30, 2026
Save $12,908 SGD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $17,425 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.31ct lab-grown round diamond

This 4.31ct 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 LG832602921 or 832602921. Listed at 13 retailers as of October 29, 2026, with prices from $4,516 to $17,425, a $12,908 spread on the same certified stone. Brilliant Earth lists it at $17,425. 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

4.31
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG832602921
Dimensions10.59 × 10.62 × 6.31 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
10.59 mm10.62 mm4.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG832602921
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.5%

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 30
Current: $4,984 SGD|Low: $4,516 SGD|High: $14,322 SGD|Avg: $8,387 SGD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$4,516 SGD
Retailer 1$4,984 SGD
Retailer 11$5,574 SGD
Retailer 6$5,916 SGD
Retailer 7$6,503 SGD
Retailer 4$7,890 SGD
Retailer 3$9,697 SGD
Retailer 9$9,896 SGD
Retailer 5$9,977 SGD
Retailer 8$12,934 SGD
Retailer 2$14,322 SGD

22 data points across 11 retailers

13 retailers$4,516 SGD to $17,425 SGD

A
Cheapest Retailer
-
$4,516 SGD
HK$27,600 HKD
A
Retailer 2
-
$4,984 SGD
£3,070 GBP
View
A
Retailer 3
-
$5,574 SGD
$4,360 USD
View
A
Retailer 4
-
$5,916 SGD
€4,407 EUR
View
A
Retailer 5
-
$6,503 SGD
$5,087 USD
View
A
Retailer 6
-
$7,890 SGD
ZAR 99,708 ZAR
View
B+
Retailer 7
-
$9,697 SGD
$7,586 USD
View
B+
Retailer 8
-
$9,896 SGD
$7,741 USD
View
B+
Retailer 9
-
$9,977 SGD
£6,145 GBP
View
B+
Retailer 10
-
$11,020 SGD
$8,620 USD
View
B+
Retailer 11
-
$12,934 SGD
$10,117 USD
View
B
Retailer 12
-
$14,322 SGD
$11,203 USD
View
Most Expensive
B
Brilliant Earth
21765054A · Oct 29
$17,425 SGD
$13,630 USD
View
12 more retailers have this diamond
Prices start from $4,516 SGDSave up to $12,908 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
4.31ct Round
$4,516 SGD