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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG643412292

Certificate IGI LG643412292

Diamond specifications and retailer prices

From $278 USD
Save $3,102 USD (92%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,380 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 LG643412292 or 643412292. Listed at 26 retailers, with prices from $278 to $3,380 at Brilliant Earth, a $3,102 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
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

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

Price History

Last verified: Sep 28
Current: $3,380 USD|Low: $221 USD|High: $4,140 USD|Avg: $1,149 USD|-18.4%
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 8$278 USD
Retailer 3$323 USD
Retailer 13$332 USD
Retailer 10$340 USD
Retailer 7$404 USD
Retailer 21$440 USD
Retailer 14$510 USD
Retailer 19$512 USD
Retailer 6$608 USD
Retailer 4$609 USD
Retailer 12$629 USD
Retailer 22$669 USD
Retailer 9$833 USD
Retailer 11$858 USD
Retailer 25$883 USD
Retailer 15$967 USD
Retailer 26$1,224 USD
Retailer 2$1,326 USD
Retailer 16$1,387 USD
Retailer 17$1,440 USD
Retailer 5$1,483 USD
Retailer 23$1,543 USD
Retailer 20$1,938 USD
Retailer 24$2,420 USD
Retailer 18$2,470 USD
Brilliant Earth$3,380 USD

39 data points across 26 retailers

26 retailers$278 USD to $3,380 USD

A
Cheapest Retailer
-
$278 USD
A
Retailer 2
-
$323 USD
View
A
Retailer 3
-
$332 USD
View
A
Retailer 4
-
$340 USD
View
A
Retailer 5
-
$404 USD
£318 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$440 USD
View
A
Retailer 7
-
$510 USD
View
A
Retailer 8
-
$512 USD
HK$4,000 HKD
View
A
Retailer 9
-
$608 USD
View
A
Retailer 10
-
$609 USD
€580 EUR
View
A
Retailer 11
-
$629 USD
ZAR 10,167 ZAR
View
Price last confirmed 20 days ago
A
Retailer 12
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$670 USD
£527 GBP
View
A
Retailer 13
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$833 USD
View
A
Retailer 14
-
$858 USD
View
A
Retailer 15
-
$883 USD
A$1,359 AUD
View
A
Retailer 16
-
$967 USD
View
B+
Retailer 17
-
$1,224 USD
View
B+
Retailer 18
-
$1,326 USD
View
B+
Retailer 19
-
$1,387 USD
View
B+
Retailer 20
-
$1,440 USD
View
B+
Retailer 21
-
$1,483 USD
SGD 2,004 SGD
View
B+
Retailer 22
-
$1,543 USD
£1,215 GBP
View
B+
Retailer 23
-
$1,938 USD
A$2,981 AUD
View
B
Retailer 24
-
$2,420 USD
View
B
Retailer 25
-
$2,470 USD
View
Most Expensive
B
Brilliant Earth
13057304Y · Oct 1
$3,380 USD
View
25 more retailers have this diamond
Prices start from $278 USDSave up to $3,102 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