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Oval|Lab Grown|IGI

1.78ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836620561

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836620561

Diamond specifications and retailer prices

From $491 SGD
$383 USD
As of October 29, 2026
Save $5,283 SGD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,774 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.78ct lab-grown oval diamond

This 1.78ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620561 or 836620561. Listed at 20 retailers as of October 28, 2026, with prices from $491 to $5,774, a $5,283 spread on the same certified stone. Rare Carat lists it at $5,774. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620561
Dimensions10.00 × 6.65 × 4.24 mm
L/W Ratio1.50
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
10.00 mm6.65 mm1.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620561
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

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 29
Current: $5,774 SGD|Low: $491 SGD|High: $5,838 SGD|Avg: $1,784 SGD|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 20
October 30, 2026
Retailer 20$491 SGD
Retailer 17$550 SGD
Retailer 4$559 SGD
Retailer 8$609 SGD
Retailer 16$609 SGD
Retailer 14$801 SGD
Retailer 18$968 SGD
Retailer 13$1,045 SGD
Retailer 9$1,047 SGD
Retailer 2$1,101 SGD
Retailer 19$1,706 SGD
Retailer 3$1,787 SGD
Retailer 7$1,955 SGD
Retailer 5$2,004 SGD
Retailer 11$2,094 SGD
Retailer 6$2,111 SGD
Retailer 15$2,380 SGD
Retailer 10$2,847 SGD
Retailer 12$4,806 SGD
Rare Carat$5,774 SGD

29 data points across 20 retailers

20 retailers$491 SGD to $5,774 SGD

A
Cheapest Retailer
-
$491 SGD
$383 USD
A
Retailer 2
-
$550 SGD
$429 USD
View
A
Retailer 3
-
$559 SGD
$436 USD
View
Final sale: no returns
A
Retailer 4
-
$609 SGD
$475 USD
View
A
Retailer 5
-
$609 SGD
$475 USD
View
A
Retailer 6
-
$801 SGD
$625 USD
View
A
Retailer 7
-
$968 SGD
$755 USD
View
A
Retailer 8
-
$1,045 SGD
ZAR 13,174 ZAR
View
A
Retailer 9
-
$1,047 SGD
€778 EUR
View
A
Retailer 10
-
$1,101 SGD
£676 GBP
View
B+
Retailer 11
-
$1,706 SGD
$1,331 USD
View
B+
Retailer 12
-
$1,787 SGD
$1,394 USD
View
B+
Retailer 13
-
$1,955 SGD
$1,525 USD
View
B+
Retailer 14
-
$2,004 SGD
$1,563 USD
View
B+
Retailer 15
-
$2,094 SGD
View
B+
Retailer 16
-
$2,111 SGD
$1,647 USD
View
B+
Retailer 17
-
$2,380 SGD
£1,462 GBP
View
B+
Retailer 18
-
$2,847 SGD
$2,221 USD
View
B
Retailer 19
-
$4,806 SGD
$3,750 USD
View
Most Expensive
B
Rare Carat
PD-241524 · Oct 28
$5,774 SGD
$4,505 USD
View
19 more retailers have this diamond
Prices start from $491 SGDSave up to $5,283 SGD

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
1.78ct Oval
$491 SGD