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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754509033

Certificate IGI LG754509033

Diamond specifications and retailer prices

From $278 USD
Save $3,342 USD (92%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,620 USD at Brilliant Earth
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 LG754509033 or 754509033. Listed at 27 retailers, with prices from $278 to $3,620 at Brilliant Earth, a $3,342 spread on the same certified stone. 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 angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754509033
Dimensions6.57 × 6.57 × 9.62 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
6.57 mm6.57 mm1.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754509033
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $3,620 USD|Low: $221 USD|High: $3,620 USD|Avg: $1,140 USD
Brilliant Earth
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Retailer 27
October 1, 2026
Retailer 9$278 USD
Retailer 4$323 USD
Retailer 2$332 USD
Retailer 12$340 USD
Retailer 13$440 USD
Retailer 21$512 USD
Retailer 7$608 USD
Retailer 5$609 USD
Retailer 16$629 USD
Retailer 22$669 USD
Retailer 8$725 USD
Retailer 11$833 USD
Retailer 15$858 USD
Retailer 26$883 USD
Retailer 14$967 USD
Retailer 27$1,224 USD
Retailer 19$1,387 USD
Retailer 20$1,417 USD
Retailer 18$1,440 USD
Retailer 10$1,451 USD
Retailer 6$1,483 USD
Retailer 24$1,543 USD
Retailer 23$1,923 USD
Retailer 25$2,420 USD
Retailer 17$2,470 USD
Retailer 3$2,771 USD
Brilliant Earth$3,620 USD

40 data points across 27 retailers

27 retailers$278 USD to $3,620 USD

A
Cheapest Retailer
-
$278 USD
A
Retailer 2
-
$323 USD
View
A
Retailer 3
-
$332 USD
View
A
Retailer 4
-
$340 USD
View
B+
Retailer 5
-
$440 USD
View
A
Retailer 6
-
$512 USD
HK$4,000 HKD
View
A
Retailer 7
-
$608 USD
View
A
Retailer 8
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$609 USD
€580 EUR
View
A
Retailer 9
-
$629 USD
ZAR 10,167 ZAR
View
Price last confirmed 20 days ago
A
Retailer 10
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$656 USD
£517 GBP
View
Price last confirmed 21 days ago
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Retailer 11
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$670 USD
£527 GBP
View
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Retailer 12
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$725 USD
View
A
Retailer 13
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$833 USD
View
A
Retailer 14
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$858 USD
View
A
Retailer 15
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$883 USD
A$1,359 AUD
View
A
Retailer 16
-
$967 USD
View
B+
Retailer 17
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$1,224 USD
View
B+
Retailer 18
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$1,387 USD
View
B+
Retailer 19
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$1,440 USD
View
B+
Retailer 20
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$1,451 USD
View
B+
Retailer 21
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$1,483 USD
SGD 2,004 SGD
View
B+
Retailer 22
-
$1,543 USD
£1,215 GBP
View
B+
Retailer 23
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$1,923 USD
A$2,959 AUD
View
B
Retailer 24
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$2,420 USD
View
B
Retailer 25
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$2,470 USD
View
B
Retailer 26
-
$2,771 USD
View
Most Expensive
B
Brilliant Earth
18668520Y · Sep 29
$3,620 USD
View
26 more retailers have this diamond
Prices start from $278 USDSave up to $3,342 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.

A
1.56ct Oval
$278 USD