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Oval|Lab Grown|IGI

1.78ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836614343

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836614343

Diamond specifications and retailer prices

From $491 SGD
$383 USD
As of October 26, 2026
Save $5,283 SGD (91%) vs most expensive(unlock to see where)
22 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 LG836614343 or 836614343. Listed at 22 retailers as of October 26, 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 angle34.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614343
Dimensions9.79 × 6.80 × 4.18 mm
L/W Ratio1.44
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
9.79 mm6.80 mm1.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614343
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.5%

Caratlytics Score

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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 26
Current: $5,774 SGD|Low: $491 SGD|High: $5,832 SGD|Avg: $1,657 SGD|-1.0%
Rare Carat
Retailer 2
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Retailer 22
October 29, 2026
Retailer 4$491 SGD
Retailer 20$550 SGD
Retailer 6$559 SGD
Retailer 10$609 SGD
Retailer 19$609 SGD
Retailer 16$630 SGD
Retailer 18$923 SGD
Retailer 21$936 SGD
Retailer 22$968 SGD
Retailer 17$1,045 SGD
Retailer 11$1,047 SGD
Retailer 2$1,101 SGD
Retailer 3$1,706 SGD
Retailer 5$1,787 SGD
Retailer 9$1,955 SGD
Retailer 7$2,004 SGD
Retailer 14$2,094 SGD
Retailer 8$2,111 SGD
Retailer 13$2,390 SGD
Retailer 12$2,847 SGD
Retailer 15$4,806 SGD
Rare Carat$5,774 SGD

22 data points across 22 retailers

22 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
-
$630 SGD
£387 GBP
View
A
Retailer 7
-
$923 SGD
$720 USD
View
A
Retailer 8
-
$936 SGD
$730 USD
View
A
Retailer 9
-
$968 SGD
$755 USD
View
A
Retailer 10
-
$1,045 SGD
ZAR 13,174 ZAR
View
A
Retailer 11
-
$1,101 SGD
£676 GBP
View
B+
Retailer 12
-
$1,706 SGD
$1,331 USD
View
B+
Retailer 13
-
$1,787 SGD
$1,394 USD
View
B+
Retailer 14
-
$1,955 SGD
$1,525 USD
View
B+
Retailer 15
-
$2,004 SGD
$1,563 USD
View
B+
Retailer 16
-
$2,094 SGD
View
B+
Retailer 17
-
$2,111 SGD
$1,647 USD
View
B+
Retailer 18
-
$2,390 SGD
£1,468 GBP
View
B+
Retailer 19
-
$2,847 SGD
$2,221 USD
View
B
Retailer 20
-
$4,190 SGD
$3,269 USD
View
B
Retailer 21
-
$4,806 SGD
$3,750 USD
View
Most Expensive
B
Rare Carat
PD-252061 · Oct 28
$5,774 SGD
$4,505 USD
View
21 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