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Emerald|Lab Grown|IGI

1.66ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG550231699

Shape and cutting style on the report: Emerald cut

Certificate IGI LG550231699

Diamond specifications and retailer prices

From $278 SGD
$217 USD
As of November 1, 2026
Save $1,319 SGD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,596 SGD at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 1.66ct lab-grown emerald diamond

This 1.66ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG550231699 or 550231699. Listed at 24 retailers as of November 1, 2026, with a 475% 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

1.66
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550231699
Dimensions7.80 × 5.57 × 3.75 mm
L/W Ratio1.40
Culet sizeLong
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
7.80 mm5.57 mm1.66 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550231699
Side View
Table 61.5%Crown 29.3°Girdle: MED-STKPavilion 39.8°Culet: LNGDepth 67.3%

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: Nov 1
Current: $2,596 SGD|Low: $266 SGD|High: $2,596 SGD|Avg: $901 SGD
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
November 2, 2026
Retailer 16$278 SGD
Retailer 7$309 SGD
Retailer 3$344 SGD
Retailer 14$460 SGD
Retailer 13$556 SGD
Retailer 10$595 SGD
Retailer 9$639 SGD
Retailer 6$772 SGD
Retailer 2$805 SGD
Retailer 12$838 SGD
Retailer 5$1,152 SGD
Retailer 15$1,279 SGD
Retailer 8$1,345 SGD
Retailer 11$1,381 SGD
Retailer 4$1,402 SGD
Brilliant Earth$2,596 SGD

46 data points across 16 retailers

24 retailers$278 SGD to $1,597 SGD

A
Cheapest Retailer
-
$278 SGD
$217 USD
A
Retailer 2
-
$309 SGD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$322 SGD
$252 USD
View
A
Retailer 4
-
$344 SGD
$269 USD
View
B+
Retailer 5
-
$460 SGD
$360 USD
View
A
Retailer 6
-
$556 SGD
€414 EUR
View
A
Retailer 7
-
$595 SGD
ZAR 7,511 ZAR
View
A
Retailer 8
-
$639 SGD
£394 GBP
View
A
Retailer 9
-
$701 SGD
$548 USD
View
A
Retailer 10
-
$766 SGD
$599 USD
View
A
Retailer 11
-
$772 SGD
$604 USD
View
A
Retailer 12
-
$805 SGD
A$968 AUD
View
B+
Retailer 13
-
$838 SGD
$655 USD
View
Retailer 14
-
$894 SGD
$699 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,108 SGD
$866 USD
View
Retailer 16
-
$1,152 SGD
A$1,386 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$1,175 SGD
$919 USD
View
B+
Retailer 18
-
$1,279 SGD
$1,000 USD
View
B
Retailer 19
-
$1,345 SGD
£828 GBP
View
B
Retailer 20
-
$1,380 SGD
$1,079 USD
View
B+
Retailer 21
-
$1,381 SGD
£850 GBP
View
B
Retailer 22
-
$1,402 SGD
$1,096 USD
View
B
Retailer 23
-
$1,597 SGD
$1,248 USD
View
Most Expensive
Brilliant Earth
16047215A · Oct 10
$2,596 SGD
$2,030 USD
View
Price last confirmed 23 days ago
23 more retailers have this diamond
Prices start from $278 SGDSave up to $1,319 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
1.66ct Emerald
$278 SGD