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Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG738511288

Shape and cutting style on the report: Round brilliant

Certificate IGI LG738511288

Diamond specifications and retailer prices

From $2,998 SGD
$2,339 USD
As of October 29, 2026
Save $15,420 SGD (84%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $18,418 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG738511288 or 738511288. Listed at 28 retailers as of October 29, 2026, with prices from $2,998 to $18,418, a $15,420 spread on the same certified stone. Do Amore Diamonds lists it at $18,418. 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 angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738511288
Dimensions10.51 × 10.56 × 6.37 mm
L/W Ratio1.00
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
10.51 mm10.56 mm4.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738511288
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.5%

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 29
Current: $18,418 SGD|Low: $2,998 SGD|High: $18,418 SGD|Avg: $7,897 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
October 30, 2026
Retailer 15$2,998 SGD
Retailer 14$3,063 SGD
Retailer 9$3,327 SGD
Retailer 7$4,265 SGD
Retailer 2$4,701 SGD
Retailer 6$4,901 SGD
Retailer 20$4,903 SGD
Retailer 19$4,981 SGD
Retailer 21$5,146 SGD
Retailer 17$5,456 SGD
Retailer 13$7,297 SGD
Retailer 18$7,356 SGD
Retailer 5$8,367 SGD
Retailer 11$8,719 SGD
Retailer 8$8,945 SGD
Retailer 16$9,350 SGD
Retailer 10$11,974 SGD
Retailer 12$12,322 SGD
Retailer 3$14,397 SGD
Retailer 4$17,367 SGD
Do Amore Diamonds$18,418 SGD

39 data points across 21 retailers

28 retailers$2,998 SGD to $18,418 SGD

Retailer 1
-
$2,677 SGD
$2,089 USD
Price last confirmed 34 days ago
Retailer 2
-
$2,913 SGD
$2,273 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$2,913 SGD
$2,273 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$2,998 SGD
$2,339 USD
View
Final sale: no returns
Retailer 5
-
$3,063 SGD
$2,390 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$3,106 SGD
$2,423 USD
View
Retailer 7
-
$3,106 SGD
$2,423 USD
View
Price last confirmed 27 days ago
Retailer 8
-
$3,122 SGD
$2,436 USD
View
Price last confirmed 36 days ago
A
Retailer 9
-
$3,327 SGD
$2,596 USD
View
A
Retailer 10
-
$4,265 SGD
HK$26,000 HKD
View
A
Retailer 11
-
$4,701 SGD
£2,888 GBP
View
Retailer 12
-
$4,712 SGD
$3,676 USD
View
Price last confirmed 32 days ago
A
Retailer 13
-
$4,901 SGD
$3,824 USD
View
A
Retailer 14
-
$4,903 SGD
$3,825 USD
View
A
Retailer 15
-
$4,981 SGD
$3,886 USD
View
A
Retailer 16
-
$5,146 SGD
$4,015 USD
View
A
Retailer 17
-
$5,456 SGD
€4,054 EUR
View
A
Retailer 18
-
$7,297 SGD
ZAR 91,975 ZAR
View
Retailer 19
-
$7,356 SGD
A$8,830 AUD
View
Price last confirmed 7 days ago
A
Retailer 20
-
$8,367 SGD
$6,528 USD
View
B+
Retailer 21
-
$8,719 SGD
$6,803 USD
View
B+
Retailer 22
-
$8,945 SGD
$6,979 USD
View
B+
Retailer 23
-
$9,350 SGD
£5,744 GBP
View
B+
Retailer 24
-
$11,974 SGD
$9,342 USD
View
B+
Retailer 25
-
$12,322 SGD
View
Retailer 26
-
$14,397 SGD
A$17,281 AUD
View
Price last confirmed 25 days ago
B
Retailer 27
-
$17,367 SGD
$13,550 USD
View
Most Expensive
B
Do Amore Diamonds
27-03C36E52C · Oct 29
$18,418 SGD
$14,370 USD
View
27 more retailers have this diamond
Prices start from $2,998 SGDSave up to $15,420 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
$2,998 SGD