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Oval|Lab Grown|IGI

1.59ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG743509156

Certificate IGI LG743509156

Diamond specifications and retailer prices

From $349 USD
Save $4,881 USD (93%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,230 USD at Brilliant Earth
View at Brilliant Earth

About this 1.59ct lab-grown oval diamond

This 1.59ct 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 LG743509156 or 743509156. Listed at 27 retailers, with prices from $349 to $5,230 at Brilliant Earth, a $4,881 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

1.59
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743509156
Dimensions9.44 × 6.57 × 4.11 mm
L/W Ratio1.44
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
9.44 mm6.57 mm1.59 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743509156
Side View
Table 61.0%Crown 36.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.6%

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: Oct 1
Current: $5,230 USD|Low: $248 USD|High: $5,230 USD|Avg: $1,257 USD
Brilliant Earth
Retailer 2
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Retailer 23
October 1, 2026
Retailer 2$349 USD
Retailer 9$382 USD
Retailer 17$448 USD
Retailer 19$448 USD
Retailer 20$540 USD
Retailer 3$618 USD
Retailer 12$640 USD
Retailer 5$649 USD
Retailer 18$681 USD
Retailer 11$875 USD
Retailer 23$899 USD
Retailer 10$1,041 USD
Retailer 7$1,110 USD
Retailer 8$1,266 USD
Retailer 16$1,291 USD
Retailer 4$1,302 USD
Retailer 15$1,402 USD
Retailer 14$1,552 USD
Retailer 13$1,571 USD
Retailer 6$1,602 USD
Retailer 21$1,952 USD
Retailer 22$2,430 USD
Brilliant Earth$5,230 USD

39 data points across 23 retailers

27 retailers$349 USD to $5,230 USD

A
Retailer 1
-
$312 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$349 USD
View
A
Retailer 3
-
$362 USD
View
A
Retailer 4
-
$382 USD
View
A
Retailer 5
-
$448 USD
HK$3,500 HKD
View
B+
Retailer 6
-
$448 USD
View
A
Retailer 7
-
$540 USD
View
A
Retailer 8
-
$618 USD
€589 EUR
View
A
Retailer 9
-
$640 USD
ZAR 10,344 ZAR
View
Price last confirmed 20 days ago
A
Retailer 10
-
$649 USD
View
A
Retailer 11
-
$669 USD
£526 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
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$683 USD
£538 GBP
View
A
Retailer 13
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$875 USD
View
A
Retailer 14
-
$899 USD
A$1,383 AUD
View
A
Retailer 15
-
$1,041 USD
View
A
Retailer 16
-
$1,110 USD
View
B+
Retailer 17
-
$1,245 USD
View
B+
Retailer 18
-
$1,291 USD
View
B+
Retailer 19
-
$1,292 USD
View
B+
Retailer 20
-
$1,302 USD
SGD 1,760 SGD
View
B+
Retailer 21
-
$1,402 USD
£1,104 GBP
View
Price last confirmed 22 days ago
B+
Retailer 22
-
$1,552 USD
View
B+
Retailer 23
-
$1,571 USD
£1,237 GBP
View
B+
Retailer 24
-
$1,602 USD
View
B+
Retailer 25
-
$1,952 USD
A$3,003 AUD
View
B
Retailer 26
-
$2,430 USD
View
Most Expensive
B
Brilliant Earth
16656018A · Sep 29
$5,230 USD
View
26 more retailers have this diamond
Prices start from $349 USDSave up to $4,881 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
1.59ct Oval
$349 USD