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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG744515355

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG744515355

Diamond specifications and retailer prices

From $310 USD
As of October 30, 2026
Save $2,370 USD (88%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $2,680 USD 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 LG744515355 or 744515355. Listed at 31 retailers as of October 30, 2026, with prices from $310 to $2,680, a $2,370 spread on the same certified stone. Brilliant Earth lists it at $2,680. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744515355
Dimensions6.60 × 6.60 × 4.13 mm
L/W Ratio1.00
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
6.60 mm6.60 mm1.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744515355
Side View
Table 58.0%Crown 34.5°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 62.6%

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: $2,680 USD|Low: $293 USD|High: $3,380 USD|Avg: $1,140 USD|-20.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 22
October 31, 2026
Retailer 20$310 USD
Retailer 22$475 USD
Retailer 11$486 USD
Retailer 3$508 USD
Retailer 19$588 USD
Retailer 8$589 USD
Retailer 18$615 USD
Retailer 13$633 USD
Retailer 9$720 USD
Retailer 10$803 USD
Retailer 4$829 USD
Retailer 17$833 USD
Retailer 21$996 USD
Retailer 6$1,276 USD
Retailer 12$1,316 USD
Retailer 5$1,387 USD
Retailer 14$1,413 USD
Retailer 16$1,443 USD
Retailer 2$1,923 USD
Retailer 7$2,320 USD
Retailer 15$2,420 USD
Brilliant Earth$2,680 USD

39 data points across 22 retailers

31 retailers$310 USD to $2,680 USD

Retailer 1
-
$278 USD
Price last confirmed 32 days ago
Retailer 2
-
$303 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$310 USD
View
Final sale: no returns
Retailer 4
-
$323 USD
View
Price last confirmed 36 days ago
A
Retailer 5
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$324 USD
View
Retailer 6
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$324 USD
View
Price last confirmed 20 days ago
Retailer 7
-
$324 USD
View
Price last confirmed 28 days ago
Retailer 8
-
$340 USD
View
Price last confirmed 31 days ago
A
Retailer 9
-
$475 USD
View
A
Retailer 10
-
$486 USD
HK$3,800 HKD
View
A
Retailer 11
-
$508 USD
View
A
Retailer 12
-
$588 USD
€560 EUR
View
A
Retailer 13
-
$589 USD
View
A
Retailer 14
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$615 USD
ZAR 9,936 ZAR
View
A
Retailer 15
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$633 USD
£498 GBP
View
A
Retailer 16
-
$720 USD
A$1,108 AUD
View
A
Retailer 17
-
$803 USD
View
A
Retailer 18
-
$829 USD
View
A
Retailer 19
-
$833 USD
A$1,281 AUD
View
B+
Retailer 20
-
$996 USD
View
Retailer 21
-
$1,151 USD
View
Price last confirmed 21 days ago
Retailer 22
-
$1,224 USD
View
Price last confirmed 30 days ago
B+
Retailer 23
-
$1,276 USD
View
B+
Retailer 24
-
$1,316 USD
View
B+
Retailer 25
-
$1,387 USD
View
B+
Retailer 26
-
$1,413 USD
SGD 1,909 SGD
View
B+
Retailer 27
-
$1,443 USD
£1,136 GBP
View
B
Retailer 28
-
$1,923 USD
A$2,959 AUD
View
B
Retailer 29
-
$2,320 USD
View
Retailer 30
-
$2,420 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
17457568Y · Oct 30
$2,680 USD
View
30 more retailers have this diamond
Prices start from $310 USDSave up to $2,370 USD

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
$310 USD