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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG658484148

Shape and cutting style on the report: Round brilliant

Certificate IGI LG658484148

Diamond specifications and retailer prices

From $555 SGD
$434 USD
As of October 31, 2026
Save $4,329 SGD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,883 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG658484148 or 658484148. Listed at 27 retailers as of October 31, 2026, with prices from $555 to $4,883, a $4,329 spread on the same certified stone. Brilliant Earth lists it at $4,883. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658484148
Dimensions7.32 × 7.35 × 4.53 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
7.32 mm7.35 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658484148
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.6%

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 31
Current: $4,883 SGD|Low: $555 SGD|High: $5,625 SGD|Avg: $1,616 SGD|-13.2%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 13$555 SGD
Retailer 6$671 SGD
Retailer 17$790 SGD
Retailer 9$828 SGD
Retailer 14$831 SGD
Retailer 8$927 SGD
Retailer 19$971 SGD
Retailer 2$972 SGD
Retailer 20$1,057 SGD
Retailer 15$1,103 SGD
Retailer 5$1,259 SGD
Retailer 18$1,428 SGD
Retailer 3$1,452 SGD
Retailer 11$1,963 SGD
Retailer 7$2,026 SGD
Retailer 16$2,203 SGD
Retailer 10$2,293 SGD
Retailer 12$2,302 SGD
Retailer 4$2,417 SGD
Brilliant Earth$4,883 SGD

29 data points across 20 retailers

27 retailers$555 SGD to $4,883 SGD

Retailer 1
-
$496 SGD
$388 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$555 SGD
$434 USD
View
Final sale: no returns
Retailer 3
-
$556 SGD
$435 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$615 SGD
$481 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$615 SGD
$481 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$671 SGD
HK$4,100 HKD
View
A
Retailer 7
-
$790 SGD
£487 GBP
View
A
Retailer 8
-
$828 SGD
$648 USD
View
A
Retailer 9
-
$831 SGD
$650 USD
View
A
Retailer 10
-
$927 SGD
$725 USD
View
A
Retailer 11
-
$971 SGD
A$1,168 AUD
View
A
Retailer 12
-
$972 SGD
€724 EUR
View
A
Retailer 13
-
$1,057 SGD
ZAR 13,362 ZAR
View
A
Retailer 14
-
$1,103 SGD
£679 GBP
View
B+
Retailer 15
-
$1,259 SGD
$985 USD
View
B+
Retailer 16
-
$1,428 SGD
A$1,718 AUD
View
B+
Retailer 17
-
$1,452 SGD
$1,136 USD
View
B+
Retailer 18
-
$1,474 SGD
$1,153 USD
View
B+
Retailer 19
-
$1,963 SGD
View
Retailer 20
-
$1,978 SGD
$1,547 USD
View
Price last confirmed 13 days ago
B+
Retailer 21
-
$2,026 SGD
$1,585 USD
View
B
Retailer 22
-
$2,153 SGD
$1,684 USD
View
B+
Retailer 23
-
$2,203 SGD
A$2,651 AUD
View
B
Retailer 24
-
$2,293 SGD
$1,794 USD
View
B
Retailer 25
-
$2,302 SGD
$1,801 USD
View
B
Retailer 26
-
$2,417 SGD
£1,489 GBP
View
Most Expensive
B
Brilliant Earth
14067819A · Oct 31
$4,883 SGD
$3,820 USD
View
26 more retailers have this diamond
Prices start from $555 SGDSave up to $4,329 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
1.51ct Round
$555 SGD