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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG720508172

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG720508172

Diamond specifications and retailer prices

From $436 SGD
$341 USD
As of October 30, 2026
Save $3,323 SGD (88%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,758 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval 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 LG720508172 or 720508172. Listed at 30 retailers as of October 30, 2026, with prices from $436 to $3,758, a $3,323 spread on the same certified stone. Brilliant Earth lists it at $3,758. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720508172
Dimensions9.42 × 6.51 × 4.08 mm
L/W Ratio1.45
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
9.42 mm6.51 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720508172
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: $3,758 SGD|Low: $412 SGD|High: $6,366 SGD|Avg: $1,436 SGD|-41.0%
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
Retailer 21
November 1, 2026
Retailer 15$436 SGD
Retailer 10$540 SGD
Retailer 3$649 SGD
Retailer 19$658 SGD
Retailer 20$752 SGD
Retailer 18$786 SGD
Retailer 7$793 SGD
Retailer 2$802 SGD
Retailer 8$904 SGD
Retailer 9$1,027 SGD
Retailer 17$1,064 SGD
Retailer 4$1,361 SGD
Retailer 21$1,406 SGD
Retailer 11$1,533 SGD
Retailer 12$1,546 SGD
Retailer 6$1,760 SGD
Retailer 16$1,844 SGD
Retailer 5$1,888 SGD
Retailer 14$2,021 SGD
Retailer 13$2,459 SGD
Brilliant Earth$3,758 SGD

37 data points across 21 retailers

30 retailers$436 SGD to $3,758 SGD

Retailer 1
-
$392 SGD
$307 USD
Price last confirmed 33 days ago
Retailer 2
-
$428 SGD
$335 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$436 SGD
$341 USD
View
Final sale: no returns
Retailer 4
-
$455 SGD
$356 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$458 SGD
$358 USD
View
Retailer 6
-
$458 SGD
$358 USD
View
Price last confirmed 22 days ago
Retailer 7
-
$458 SGD
$358 USD
View
Price last confirmed 29 days ago
Retailer 8
-
$481 SGD
$376 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$540 SGD
HK$3,300 HKD
View
A
Retailer 10
-
$649 SGD
$508 USD
View
A
Retailer 11
-
$658 SGD
$515 USD
View
A
Retailer 12
-
$752 SGD
€560 EUR
View
A
Retailer 13
-
$786 SGD
ZAR 9,936 ZAR
View
A
Retailer 14
-
$793 SGD
$620 USD
View
A
Retailer 15
-
$802 SGD
£494 GBP
View
A
Retailer 16
-
$904 SGD
A$1,088 AUD
View
A
Retailer 17
-
$1,027 SGD
$803 USD
View
A
Retailer 18
-
$1,064 SGD
A$1,281 AUD
View
B+
Retailer 19
-
$1,361 SGD
$1,065 USD
View
B+
Retailer 20
-
$1,406 SGD
$1,100 USD
View
Retailer 21
-
$1,471 SGD
$1,151 USD
View
Price last confirmed 22 days ago
B+
Retailer 22
-
$1,533 SGD
$1,200 USD
View
B+
Retailer 23
-
$1,546 SGD
View
Retailer 24
-
$1,565 SGD
$1,224 USD
View
Price last confirmed 32 days ago
B+
Retailer 25
-
$1,760 SGD
$1,377 USD
View
B+
Retailer 26
-
$1,844 SGD
£1,136 GBP
View
B+
Retailer 27
-
$1,888 SGD
$1,477 USD
View
B+
Retailer 28
-
$2,021 SGD
$1,581 USD
View
B+
Retailer 29
-
$2,459 SGD
A$2,959 AUD
View
Most Expensive
B
Brilliant Earth
15240620A · Oct 31
$3,758 SGD
$2,940 USD
View
29 more retailers have this diamond
Prices start from $436 SGDSave up to $3,323 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
1.56ct Oval
$436 SGD