CaratHunter
Plans
Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG665445187

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG665445187

Diamond specifications and retailer prices

From $335 SGD
$262 USD
As of October 29, 2026
Save $3,208 SGD (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,542 SGD at Blue Nile · As of October 29, 2026
View at Blue Nile

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 LG665445187 or 665445187. Listed at 27 retailers as of October 29, 2026, with prices from $335 to $3,542, a $3,208 spread on the same certified stone. Blue Nile lists it at $3,542. 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 angle34.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665445187
Dimensions9.62 × 6.58 × 3.99 mm
L/W Ratio1.46
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
9.62 mm6.58 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665445187
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,542 SGD|Low: $321 SGD|High: $4,180 SGD|Avg: $1,472 SGD
Blue Nile
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
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
October 31, 2026
Retailer 3$335 SGD
Retailer 27$387 SGD
Retailer 6$396 SGD
Retailer 5$414 SGD
Retailer 17$622 SGD
Retailer 8$649 SGD
Retailer 25$652 SGD
Retailer 26$752 SGD
Retailer 14$753 SGD
Retailer 24$786 SGD
Retailer 21$809 SGD
Retailer 15$904 SGD
Retailer 16$1,027 SGD
Retailer 9$1,060 SGD
Retailer 23$1,064 SGD
Retailer 7$1,273 SGD
Retailer 4$1,471 SGD
Retailer 11$1,631 SGD
Retailer 18$1,683 SGD
Retailer 10$1,774 SGD
Retailer 19$1,806 SGD
Retailer 22$1,844 SGD
Retailer 2$2,459 SGD
Retailer 12$2,966 SGD
Retailer 20$3,094 SGD
Retailer 13$3,426 SGD
Blue Nile$3,542 SGD

36 data points across 27 retailers

27 retailers$335 SGD to $3,542 SGD

A
Cheapest Retailer
-
$335 SGD
$262 USD
A
Retailer 2
-
$387 SGD
$303 USD
View
A
Retailer 3
-
$396 SGD
$310 USD
View
Final sale: no returns
A
Retailer 4
-
$414 SGD
$324 USD
View
A
Retailer 5
-
$622 SGD
HK$3,800 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
-
$753 SGD
$589 USD
View
A
Retailer 10
-
$786 SGD
ZAR 9,936 ZAR
View
A
Retailer 11
-
$809 SGD
£498 GBP
View
A
Retailer 12
-
$904 SGD
A$1,088 AUD
View
A
Retailer 13
-
$1,027 SGD
$803 USD
View
A
Retailer 14
-
$1,060 SGD
$829 USD
View
A
Retailer 15
-
$1,064 SGD
A$1,281 AUD
View
B+
Retailer 16
-
$1,273 SGD
$996 USD
View
B+
Retailer 17
-
$1,471 SGD
$1,151 USD
View
B+
Retailer 18
-
$1,631 SGD
$1,276 USD
View
B+
Retailer 19
-
$1,683 SGD
$1,316 USD
View
B+
Retailer 20
-
$1,774 SGD
$1,387 USD
View
B+
Retailer 21
-
$1,806 SGD
View
B+
Retailer 22
-
$1,844 SGD
£1,136 GBP
View
Retailer 23
-
$2,459 SGD
A$2,959 AUD
View
B
Retailer 24
-
$2,966 SGD
$2,320 USD
View
Retailer 25
-
$3,094 SGD
$2,420 USD
View
Price last confirmed 32 days ago
B
Retailer 26
-
$3,426 SGD
$2,680 USD
View
Most Expensive
B
Blue Nile
24056580 · Oct 29
$3,542 SGD
$2,771 USD
View
26 more retailers have this diamond
Prices start from $335 SGDSave up to $3,208 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
$335 SGD