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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG643412292

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG643412292

Diamond specifications and retailer prices

From $373 AUD
$262 USD
As of October 29, 2026
Save $3,442 AUD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,815 AUD 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 LG643412292 or 643412292. Listed at 27 retailers as of October 29, 2026, with prices from $373 to $3,815, a $3,442 spread on the same certified stone. Brilliant Earth lists it at $3,815. 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 angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643412292
Dimensions9.61 × 6.53 × 3.97 mm
L/W Ratio1.47
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
9.61 mm6.53 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643412292
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.8%

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: $3,815 AUD|Low: $357 AUD|High: $4,655 AUD|Avg: $1,397 AUD|-18.0%
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 25$373 AUD
Retailer 24$431 AUD
Retailer 4$441 AUD
Retailer 3$461 AUD
Retailer 6$545 AUD
Retailer 7$676 AUD
Retailer 17$692 AUD
Retailer 8$723 AUD
Retailer 23$837 AUD
Retailer 14$839 AUD
Retailer 22$876 AUD
Retailer 13$901 AUD
Retailer 15$1,007 AUD
Retailer 16$1,143 AUD
Retailer 9$1,180 AUD
Retailer 21$1,185 AUD
Retailer 5$1,418 AUD
Retailer 26$1,639 AUD
Retailer 11$1,817 AUD
Retailer 18$1,874 AUD
Retailer 10$1,975 AUD
Retailer 19$2,011 AUD
Retailer 20$2,054 AUD
Retailer 2$2,738 AUD
Retailer 12$3,303 AUD
Brilliant Earth$3,815 AUD

32 data points across 26 retailers

27 retailers$373 AUD to $3,815 AUD

A
Cheapest Retailer
-
$373 AUD
$262 USD
A
Retailer 2
-
$431 AUD
$303 USD
View
A
Retailer 3
-
$441 AUD
$310 USD
View
Final sale: no returns
A
Retailer 4
-
$461 AUD
$324 USD
View
Retailer 5
-
$545 AUD
£302 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$676 AUD
$475 USD
View
A
Retailer 7
-
$692 AUD
HK$3,800 HKD
View
A
Retailer 8
-
$723 AUD
$508 USD
View
A
Retailer 9
-
$837 AUD
€560 EUR
View
A
Retailer 10
-
$839 AUD
$589 USD
View
A
Retailer 11
-
$876 AUD
ZAR 9,936 ZAR
View
A
Retailer 12
-
$901 AUD
£498 GBP
View
A
Retailer 13
-
$1,007 AUD
View
A
Retailer 14
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$1,143 AUD
$803 USD
View
A
Retailer 15
-
$1,180 AUD
$829 USD
View
A
Retailer 16
-
$1,185 AUD
View
B+
Retailer 17
-
$1,418 AUD
$996 USD
View
B+
Retailer 18
-
$1,639 AUD
$1,151 USD
View
B+
Retailer 19
-
$1,817 AUD
$1,276 USD
View
B+
Retailer 20
-
$1,874 AUD
$1,316 USD
View
B+
Retailer 21
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$1,975 AUD
$1,387 USD
View
B+
Retailer 22
-
$2,011 AUD
SGD 1,909 SGD
View
B+
Retailer 23
-
$2,054 AUD
£1,136 GBP
View
B+
Retailer 24
-
$2,738 AUD
View
B
Retailer 25
-
$3,303 AUD
$2,320 USD
View
Retailer 26
-
$3,445 AUD
$2,420 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
13057304Y · Oct 30
$3,815 AUD
$2,680 USD
View
26 more retailers have this diamond
Prices start from $373 AUDSave up to $3,442 AUD

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
$373 AUD