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Round|Lab Grown|IGI

1.60ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG783617187

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783617187

Diamond specifications and retailer prices

From $290 USD
As of November 1, 2026
Save $1,378 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,890 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783617187 or 783617187. Listed at 22 retailers as of October 31, 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

1.60
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783617187
Dimensions7.58 × 7.61 × 4.53 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.58 mm7.61 mm1.60 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783617187
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.6%

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: Nov 1
Current: $1,890 USD|Low: $279 USD|High: $1,890 USD|Avg: $795 USD
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
November 1, 2026
Retailer 14$290 USD
Retailer 7$325 USD
Retailer 6$337 USD
Retailer 3$360 USD
Retailer 13$515 USD
Retailer 2$551 USD
Retailer 8$630 USD
Retailer 10$662 USD
Retailer 9$670 USD
Retailer 11$918 USD
Retailer 5$1,157 USD
Retailer 15$1,164 USD
Retailer 12$1,450 USD
Retailer 4$1,668 USD
Brilliant Earth$1,890 USD

41 data points across 15 retailers

22 retailers$290 USD to $1,668 USD

A
Cheapest Retailer
-
$290 USD
A
Retailer 2
-
$325 USD
View
Final sale: no returns
A
Retailer 3
-
$337 USD
View
A
Retailer 4
-
$360 USD
View
A
Retailer 5
-
$397 USD
HK$3,100 HKD
View
A
Retailer 6
-
$510 USD
View
A
Retailer 7
-
$515 USD
View
A
Retailer 8
-
$551 USD
£434 GBP
View
B+
Retailer 9
-
$630 USD
£496 GBP
View
B+
Retailer 10
-
$662 USD
A$1,018 AUD
View
B+
Retailer 11
-
$670 USD
€638 EUR
View
B+
Retailer 12
-
$685 USD
View
B+
Retailer 13
-
$808 USD
View
B+
Retailer 14
-
$918 USD
View
B
Retailer 15
-
$1,157 USD
SGD 1,564 SGD
View
B
Retailer 16
-
$1,164 USD
View
B
Retailer 17
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$1,206 USD
View
B
Retailer 18
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$1,450 USD
£1,142 GBP
View
B
Retailer 19
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$1,482 USD
View
B
Retailer 20
-
$1,591 USD
View
B
Retailer 21
-
$1,668 USD
View
Most Expensive
Brilliant Earth
20555104A · Oct 16
$1,890 USD
View
Price last confirmed 16 days ago
21 more retailers have this diamond
Prices start from $290 USDSave up to $1,378 USD

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
1.60ct Round
$290 USD