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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754508720

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754508720

Diamond specifications and retailer prices

From $525 SGD
$411 USD
As of October 30, 2026
Save $5,534 SGD (91%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $6,060 SGD at Brilliant Earth · As of October 29, 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 LG754508720 or 754508720. Listed at 33 retailers as of October 29, 2026, with prices from $525 to $6,060, a $5,534 spread on the same certified stone. Brilliant Earth lists it at $6,060. 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 angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508720
Dimensions7.31 × 7.36 × 4.56 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
7.31 mm7.36 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508720
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: $956 SGD|Low: $525 SGD|High: $3,835 SGD|Avg: $1,524 SGD|-2.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 8$525 SGD
Retailer 12$729 SGD
Retailer 2$761 SGD
Retailer 20$769 SGD
Retailer 7$837 SGD
Retailer 10$863 SGD
Retailer 1$956 SGD
Retailer 9$964 SGD
Retailer 19$1,016 SGD
Retailer 17$1,066 SGD
Retailer 11$1,087 SGD
Retailer 13$1,359 SGD
Retailer 18$1,372 SGD
Retailer 3$1,571 SGD
Retailer 4$2,024 SGD
Retailer 6$2,081 SGD
Retailer 14$2,100 SGD
Retailer 16$2,221 SGD
Retailer 15$2,245 SGD
Retailer 22$2,323 SGD
Retailer 21$2,883 SGD
Retailer 5$3,835 SGD

37 data points across 22 retailers

33 retailers$525 SGD to $6,060 SGD

Retailer 1
-
$432 SGD
$338 USD
Price last confirmed 21 days ago
Retailer 2
-
$456 SGD
$357 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$501 SGD
$392 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$525 SGD
$411 USD
View
Final sale: no returns
Retailer 5
-
$531 SGD
$415 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$536 SGD
$419 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$536 SGD
$419 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$536 SGD
$419 USD
View
Retailer 9
-
$560 SGD
$438 USD
View
Price last confirmed 32 days ago
A
Retailer 10
-
$729 SGD
$570 USD
View
Retailer 11
-
$761 SGD
£469 GBP
View
Price last confirmed 14 days ago
A
Retailer 12
-
$769 SGD
HK$4,700 HKD
View
A
Retailer 13
-
$837 SGD
$655 USD
View
A
Retailer 14
-
$863 SGD
$675 USD
View
A
Retailer 15
-
$956 SGD
€712 EUR
View
A
Retailer 16
-
$964 SGD
$754 USD
View
A
Retailer 17
-
$1,016 SGD
ZAR 12,840 ZAR
View
A
Retailer 18
-
$1,066 SGD
£656 GBP
View
A
Retailer 19
-
$1,087 SGD
A$1,308 AUD
View
B+
Retailer 20
-
$1,359 SGD
$1,063 USD
View
B+
Retailer 21
-
$1,372 SGD
A$1,651 AUD
View
B+
Retailer 22
-
$1,571 SGD
$1,229 USD
View
Retailer 23
-
$1,901 SGD
$1,487 USD
View
Price last confirmed 22 days ago
Retailer 24
-
$2,011 SGD
$1,573 USD
View
Price last confirmed 31 days ago
B+
Retailer 25
-
$2,024 SGD
$1,583 USD
View
B+
Retailer 26
-
$2,081 SGD
$1,628 USD
View
B+
Retailer 27
-
$2,100 SGD
$1,643 USD
View
B+
Retailer 28
-
$2,221 SGD
A$2,673 AUD
View
B+
Retailer 29
-
$2,245 SGD
View
Retailer 30
-
$2,323 SGD
£1,431 GBP
View
Price last confirmed 13 days ago
B+
Retailer 31
-
$2,883 SGD
$2,255 USD
View
B
Retailer 32
-
$3,835 SGD
$3,000 USD
View
Most Expensive
B
Brilliant Earth
18668765Y · Oct 29
$6,060 SGD
$4,740 USD
View
32 more retailers have this diamond
Prices start from $525 SGDSave up to $5,534 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
$525 SGD