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Oval|Lab Grown|IGI

1.59ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG707554315

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG707554315

Diamond specifications and retailer prices

From $496 USD
As of October 28, 2026
Save $1,563 USD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,190 USD at Brilliant Earth · As of October 21, 2026
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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG707554315 or 707554315. Listed at 20 retailers as of October 27, 2026, with a 315% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707554315
Dimensions9.27 × 6.58 × 4.10 mm
L/W Ratio1.41
Girdle conditionFaceted
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
9.27 mm6.58 mm1.59 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707554315
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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 28
Current: $4,190 USD|Low: $496 USD|High: $5,050 USD|Avg: $1,503 USD|-17.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 6$496 USD
Retailer 7$569 USD
Retailer 9$738 USD
Retailer 13$740 USD
Retailer 4$791 USD
Retailer 2$906 USD
Retailer 18$931 USD
Retailer 12$945 USD
Retailer 19$1,152 USD
Retailer 16$1,290 USD
Retailer 17$1,479 USD
Retailer 8$1,745 USD
Retailer 5$1,801 USD
Retailer 11$1,848 USD
Retailer 15$1,927 USD
Retailer 3$1,971 USD
Retailer 14$2,023 USD
Retailer 10$2,189 USD
Brilliant Earth$4,190 USD

14 data points across 19 retailers

20 retailers$496 USD to $2,059 USD

A
Cheapest Retailer
-
$496 USD
Final sale: no returns
A
Retailer 2
-
$550 USD
View
A
Retailer 3
-
$550 USD
View
Retailer 4
-
$569 USD
£448 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
$738 USD
View
A
Retailer 6
-
$740 USD
View
A
Retailer 7
-
$791 USD
View
A
Retailer 8
-
$906 USD
£714 GBP
View
A
Retailer 9
-
$945 USD
ZAR 15,271 ZAR
View
B+
Retailer 10
-
$1,152 USD
View
Retailer 11
-
$1,290 USD
A$1,985 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$1,479 USD
View
B
Retailer 13
-
$1,745 USD
SGD 2,358 SGD
View
B
Retailer 14
-
$1,768 USD
View
B
Retailer 15
-
$1,801 USD
View
B
Retailer 16
-
$1,927 USD
View
B
Retailer 17
-
$1,971 USD
View
B
Retailer 18
-
$2,023 USD
£1,593 GBP
View
B
Retailer 19
-
$2,059 USD
View
Most Expensive
Brilliant Earth
15226553A · Oct 21
$4,190 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $496 USDSave up to $1,563 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
1.59ct Oval
$496 USD