CaratHunter
Plans
Emerald|Lab Grown|IGI

4.51ct F VVS1 Emerald Lab Grown Diamond

ID • F/VVS1 • IGI LG845617018

Shape and cutting style on the report: Emerald cut

Certificate IGI LG845617018

Diamond specifications and retailer prices

From $1,232 SGD
$964 USD
As of October 27, 2026
Save $8,228 SGD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,460 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.51ct lab-grown emerald diamond

This 4.51ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845617018 or 845617018. Listed at 22 retailers as of October 27, 2026, with prices from $1,232 to $9,460, a $8,228 spread on the same certified stone. Brilliant Earth lists it at $9,460. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845617018
Dimensions11.47 × 7.56 × 5.06 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm7.56 mm4.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845617018
Side View
Table 67.0%Crown 40.8°Girdle: Slightly ThickPavilion 42.3°Culet: LargeDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $9,460 SGD|Low: $1,232 SGD|High: $9,984 SGD|Avg: $3,142 SGD|-5.2%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 10$1,232 SGD
Retailer 14$1,369 SGD
Retailer 21$1,369 SGD
Retailer 11$1,460 SGD
Retailer 15$1,643 SGD
Retailer 13$1,933 SGD
Retailer 2$2,033 SGD
Retailer 16$2,170 SGD
Retailer 6$2,171 SGD
Retailer 12$2,736 SGD
Retailer 7$3,032 SGD
Retailer 3$3,041 SGD
Retailer 5$3,069 SGD
Retailer 19$3,746 SGD
Retailer 18$3,916 SGD
Retailer 9$4,249 SGD
Retailer 4$4,766 SGD
Retailer 8$4,856 SGD
Retailer 20$4,941 SGD
Retailer 17$5,114 SGD
Brilliant Earth$9,460 SGD

13 data points across 21 retailers

22 retailers$1,232 SGD to $9,460 SGD

A
Cheapest Retailer
-
$1,232 SGD
$964 USD
Retailer 2
-
$1,369 SGD
$1,071 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,369 SGD
$1,071 USD
View
Final sale: no returns
Retailer 4
-
$1,460 SGD
$1,142 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$1,643 SGD
$1,285 USD
View
A
Retailer 6
-
$1,933 SGD
$1,512 USD
View
A
Retailer 7
-
$2,033 SGD
$1,590 USD
View
A
Retailer 8
-
$2,170 SGD
£1,337 GBP
View
A
Retailer 9
-
$2,171 SGD
€1,617 EUR
View
Retailer 10
-
$2,736 SGD
$2,140 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$3,032 SGD
ZAR 38,314 ZAR
View
B+
Retailer 12
-
$3,041 SGD
A$3,660 AUD
View
B+
Retailer 13
-
$3,069 SGD
$2,401 USD
View
B+
Retailer 14
-
$3,746 SGD
$2,930 USD
View
B+
Retailer 15
-
$3,916 SGD
£2,412 GBP
View
B+
Retailer 16
-
$4,249 SGD
$3,324 USD
View
B+
Retailer 17
-
$4,766 SGD
View
B+
Retailer 18
-
$4,856 SGD
£2,991 GBP
View
B+
Retailer 19
-
$4,941 SGD
$3,865 USD
View
B+
Retailer 20
-
$5,114 SGD
$4,000 USD
View
B
Retailer 21
-
$7,089 SGD
$5,545 USD
View
Most Expensive
B
Brilliant Earth
22284327A · Oct 31
$9,460 SGD
$7,400 USD
View
21 more retailers have this diamond
Prices start from $1,232 SGDSave up to $8,228 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
4.51ct Emerald
$1,232 SGD