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Emerald|Lab Grown|IGI

1.78ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG694550134

Shape and cutting style on the report: Emerald cut

Certificate IGI LG694550134

Diamond specifications and retailer prices

From $437 SGD
$342 USD
As of October 30, 2026
Save $3,027 SGD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,740 SGD at Brilliant Earth · As of October 20, 2026
View at Brilliant Earth

About this 1.78ct lab-grown emerald diamond

This 1.78ct lab-grown emerald 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 LG694550134 or 694550134. Listed at 15 retailers as of October 29, 2026, with a 692% 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

1.78
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694550134
Dimensions5.65 × 5.65 × 8.37 mm
L/W Ratio1.00
Culet sizeLarge
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
5.65 mm5.65 mm1.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694550134
Side View
Table 63.0%Crown 34.6°Girdle: MediumPavilion 41.9°Culet: LargeDepth 67.3%

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 30
Current: $5,740 SGD|Low: $311 SGD|High: $6,200 SGD|Avg: $1,795 SGD|+3.2%
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
October 28, 2026
Retailer 13$390 SGD
Retailer 4$437 SGD
Retailer 17$453 SGD
Retailer 14$485 SGD
Retailer 16$485 SGD
Retailer 12$647 SGD
Retailer 2$652 SGD
Retailer 3$828 SGD
Retailer 7$835 SGD
Retailer 11$1,252 SGD
Retailer 5$1,364 SGD
Retailer 15$1,860 SGD
Retailer 9$2,491 SGD
Retailer 8$3,018 SGD
Retailer 6$3,464 SGD
Retailer 10$4,596 SGD
Brilliant Earth$5,740 SGD

22 data points across 17 retailers

15 retailers$437 SGD to $3,464 SGD

Retailer 1
-
$390 SGD
$305 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$437 SGD
$342 USD
View
Final sale: no returns
Retailer 3
-
$453 SGD
$354 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$485 SGD
$379 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$485 SGD
$379 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$647 SGD
$506 USD
View
A
Retailer 7
-
$652 SGD
$510 USD
View
A
Retailer 8
-
$828 SGD
$648 USD
View
Retailer 9
-
$1,252 SGD
$979 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$1,358 SGD
$1,062 USD
View
Price last confirmed 31 days ago
A
Retailer 11
-
$1,364 SGD
$1,067 USD
View
B+
Retailer 12
-
$1,860 SGD
$1,455 USD
View
B
Retailer 13
-
$3,464 SGD
$2,710 USD
View
Retailer 14
-
$4,596 SGD
$3,595 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
20126588A · Oct 20
$5,740 SGD
$4,490 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $437 SGDSave up to $3,027 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 Emerald
$437 SGD