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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG681578702

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG681578702

Diamond specifications and retailer prices

From $369 SGD
$289 USD
As of October 29, 2026
Save $3,389 SGD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,758 SGD at Brilliant Earth · As of October 30, 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 LG681578702 or 681578702. Listed at 25 retailers as of October 29, 2026, with prices from $369 to $3,758, a $3,389 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 angle37°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681578702
Dimensions9.19 × 6.55 × 4.14 mm
L/W Ratio1.40
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
9.19 mm6.55 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681578702
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

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: $3,758 SGD|Low: $354 SGD|High: $6,366 SGD|Avg: $1,376 SGD|-41.0%
Brilliant Earth
Retailer 2
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Retailer 24
October 31, 2026
Retailer 3$369 SGD
Retailer 13$412 SGD
Retailer 24$428 SGD
Retailer 5$458 SGD
Retailer 14$540 SGD
Retailer 7$649 SGD
Retailer 22$652 SGD
Retailer 23$752 SGD
Retailer 21$786 SGD
Retailer 11$793 SGD
Retailer 18$809 SGD
Retailer 12$1,027 SGD
Retailer 20$1,064 SGD
Retailer 8$1,361 SGD
Retailer 6$1,406 SGD
Retailer 4$1,471 SGD
Retailer 15$1,533 SGD
Retailer 16$1,546 SGD
Retailer 10$1,760 SGD
Retailer 19$1,844 SGD
Retailer 9$1,888 SGD
Retailer 17$2,021 SGD
Retailer 2$2,459 SGD
Brilliant Earth$3,758 SGD

32 data points across 24 retailers

25 retailers$369 SGD to $3,758 SGD

A
Cheapest Retailer
-
$369 SGD
$289 USD
A
Retailer 2
-
$412 SGD
$322 USD
View
Final sale: no returns
A
Retailer 3
-
$428 SGD
$335 USD
View
A
Retailer 4
-
$458 SGD
$358 USD
View
A
Retailer 5
-
$540 SGD
HK$3,300 HKD
View
A
Retailer 6
-
$649 SGD
$508 USD
View
A
Retailer 7
-
$652 SGD
$510 USD
View
A
Retailer 8
-
$752 SGD
€560 EUR
View
A
Retailer 9
-
$786 SGD
ZAR 9,936 ZAR
View
A
Retailer 10
-
$793 SGD
$620 USD
View
A
Retailer 11
-
$809 SGD
£498 GBP
View
A
Retailer 12
-
$1,027 SGD
$803 USD
View
A
Retailer 13
-
$1,064 SGD
A$1,281 AUD
View
B+
Retailer 14
-
$1,361 SGD
$1,065 USD
View
B+
Retailer 15
-
$1,406 SGD
$1,100 USD
View
B+
Retailer 16
-
$1,471 SGD
$1,151 USD
View
B+
Retailer 17
-
$1,533 SGD
$1,200 USD
View
B+
Retailer 18
-
$1,546 SGD
View
B+
Retailer 19
-
$1,760 SGD
$1,377 USD
View
B+
Retailer 20
-
$1,844 SGD
£1,136 GBP
View
B+
Retailer 21
-
$1,888 SGD
$1,477 USD
View
B+
Retailer 22
-
$2,021 SGD
$1,581 USD
View
B+
Retailer 23
-
$2,459 SGD
A$2,959 AUD
View
Retailer 24
-
$3,107 SGD
$2,430 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
13772889A · Oct 30
$3,758 SGD
$2,940 USD
View
24 more retailers have this diamond
Prices start from $369 SGDSave up to $3,389 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
$369 SGD