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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG778676576

Certificate IGI LG778676576

Diamond specifications and retailer prices

From $353 USD
Save $4,797 USD (93%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,150 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 LG778676576 or 778676576. Listed at 25 retailers, with prices from $353 to $5,150 at Brilliant Earth, a $4,797 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 LG778676576
Dimensions9.94 × 6.34 × 3.96 mm
L/W Ratio1.57
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
9.94 mm6.34 mm1.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778676576
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

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: $468 USD|Low: $281 USD|High: $1,796 USD|Avg: $932 USD|-0.2%
Retailer 1
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Retailer 23
October 1, 2026
Retailer 5$353 USD
Retailer 8$395 USD
Retailer 2$410 USD
Retailer 6$433 USD
Retailer 9$438 USD
Retailer 1$468 USD
Retailer 11$486 USD
Retailer 17$660 USD
Retailer 23$691 USD
Retailer 4$695 USD
Retailer 12$704 USD
Retailer 21$737 USD
Retailer 18$779 USD
Retailer 20$1,017 USD
Retailer 14$1,088 USD
Retailer 10$1,178 USD
Retailer 3$1,402 USD
Retailer 22$1,409 USD
Retailer 15$1,450 USD
Retailer 16$1,683 USD
Retailer 7$1,707 USD
Retailer 19$1,732 USD
Retailer 13$1,796 USD

39 data points across 23 retailers

25 retailers$353 USD to $5,150 USD

A
Cheapest Retailer
-
$353 USD
A
Retailer 2
-
$395 USD
View
A
Retailer 3
-
$410 USD
View
A
Retailer 4
-
$433 USD
View
A
Retailer 5
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$438 USD
View
A
Retailer 6
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$468 USD
£368 GBP
View
A
Retailer 7
-
$486 USD
HK$3,800 HKD
View
A
Retailer 8
-
$660 USD
View
A
Retailer 9
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$691 USD
€658 EUR
View
A
Retailer 10
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$695 USD
View
A
Retailer 11
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$704 USD
View
A
Retailer 12
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$737 USD
ZAR 11,914 ZAR
View
A
Retailer 13
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$780 USD
£615 GBP
View
A
Retailer 14
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$1,017 USD
A$1,565 AUD
View
B+
Retailer 15
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$1,088 USD
View
B+
Retailer 16
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$1,178 USD
View
B+
Retailer 17
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$1,402 USD
SGD 1,894 SGD
View
B+
Retailer 18
-
$1,409 USD
View
B+
Retailer 19
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$1,450 USD
View
B+
Retailer 20
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$1,664 USD
View
B+
Retailer 21
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$1,683 USD
View
B+
Retailer 22
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$1,707 USD
£1,344 GBP
View
B+
Retailer 23
-
$1,732 USD
£1,364 GBP
View
B+
Retailer 24
-
$1,796 USD
View
Most Expensive
B
Brilliant Earth
19077221A · Oct 1
$5,150 USD
View
24 more retailers have this diamond
Prices start from $353 USDSave up to $4,797 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
$353 USD